結果
問題 | No.969 じゃんけん |
ユーザー | Suunn |
提出日時 | 2020-01-24 01:53:26 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 193 ms / 2,000 ms |
コード長 | 56,359 bytes |
コンパイル時間 | 4,403 ms |
コンパイル使用メモリ | 101,128 KB |
実行使用メモリ | 71,756 KB |
最終ジャッジ日時 | 2024-09-13 04:30:03 |
合計ジャッジ時間 | 6,186 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 191 ms
71,744 KB |
testcase_01 | AC | 192 ms
71,716 KB |
testcase_02 | AC | 191 ms
71,180 KB |
testcase_03 | AC | 192 ms
71,756 KB |
testcase_04 | AC | 190 ms
71,304 KB |
testcase_05 | AC | 193 ms
71,696 KB |
ソースコード
import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.NoSuchElementException; import java.util.Objects; import java.util.PriorityQueue; import java.util.Queue; import java.util.Random; import java.util.Scanner; import java.util.Set; import java.util.Stack; import java.util.TreeMap; import java.util.TreeSet; import java.util.function.BiFunction; public class Main{ static Scanner scn = new Scanner(System.in); static FastScanner sc = new FastScanner(); static Mathplus mp = new Mathplus(); static PrintWriter ot = new PrintWriter(System.out); static Random rand = new Random(); static StringManager sm = new StringManager(" "); static long mod = 1000000007; static long modmod = mod * mod; static long inf = (long)1e17; static int[] dx = {0,1,0,-1}; static int[] dy = {1,0,-1,0}; static int[] dx8 = {-1,-1,-1,0,0,1,1,1}; static int[] dy8 = {-1,0,1,-1,1,-1,0,1}; static char[] dc = {'R','D','L','U'}; static String sp = " "; public static void main(String[] args) { int X = sc.nextInt(); mp.printYN(X%2==0&&X!=2); } } class Counter{ int[] cnt; Counter(int M){ cnt = new int[M+1]; } Counter(int M,int[] A){ cnt = new int[M+1]; for(int i=0;i<A.length;i++)add(A[i]); } void add(int e) { cnt[e]++; } void remove(int e) { cnt[e]--; } int count(int e) { return cnt[e]; } } class MultiHashSet{ HashMap<Integer,Integer> set; int size; long sum; MultiHashSet(){ set = new HashMap<Integer,Integer>(); size = 0; sum = 0; } void add(int e){ if(set.containsKey(e))set.put(e,set.get(e)+1); else set.put(e,1); size++; sum += e; } void remove(int e) { set.put(e,set.get(e)-1); if(set.get(e)==0)set.remove(e); size--; sum -= e; } boolean contains(int e) { return set.containsKey(e); } boolean isEmpty() { return set.isEmpty(); } int count(int e) { if(contains(e))return set.get(e); else return 0; } Set<Integer> keyset(){ return set.keySet(); } } class MultiSet{ TreeMap<Integer,Integer> set; int size; long sum; MultiSet(){ set = new TreeMap<Integer,Integer>(); size = 0; sum = 0; } void add(int e){ if(set.containsKey(e))set.put(e,set.get(e)+1); else set.put(e,1); size++; sum += e; } void remove(int e) { set.put(e,set.get(e)-1); if(set.get(e)==0)set.remove(e); size--; sum -= e; } int first() {return set.firstKey();} int last() {return set.lastKey();} int lower(int e) {return set.lowerKey(e);} int higher(int e) {return set.higherKey(e);} int floor(int e) {return set.floorKey(e);} int ceil(int e) {return set.ceilingKey(e);} boolean contains(int e) {return set.containsKey(e);} boolean isEmpty() {return set.isEmpty();} int count(int e) { if(contains(e))return set.get(e); else return 0; } MultiSet marge(MultiSet T) { if(size>T.size) { while(!T.isEmpty()) { add(T.first()); T.remove(T.first()); } return this; }else { while(!isEmpty()) { T.add(first()); remove(first()); } return T; } } Set<Integer> keyset(){ return set.keySet(); } } class MultiSetL{ TreeMap<Long,Integer> set; int size; long sum; MultiSetL(){ set = new TreeMap<Long,Integer>(); size = 0; sum = 0; } void add(long e){ if(set.containsKey(e))set.put(e,set.get(e)+1); else set.put(e,1); size++; sum += e; } void remove(long e) { set.put(e,set.get(e)-1); if(set.get(e)==0)set.remove(e); size--; sum -= e; } long first() {return set.firstKey();} long last() {return set.lastKey();} long lower(long e) {return set.lowerKey(e);} long higher(long e) {return set.higherKey(e);} long floor(long e) {return set.floorKey(e);} long ceil(long e) {return set.ceilingKey(e);} boolean contains(long e) {return set.containsKey(e);} boolean isEmpty() {return set.isEmpty();} int count(long e) { if(contains(e))return set.get(e); else return 0; } MultiSetL marge(MultiSetL T) { if(size>T.size) { while(!T.isEmpty()) { add(T.first()); T.remove(T.first()); } return this; }else { while(!isEmpty()) { T.add(first()); remove(first()); } return T; } } Set<Long> keyset(){ return set.keySet(); } } class GridGraph extends Graph{ int N; int M; String[] S; HashMap<Character,Integer> map; GridGraph(int n,int m,String[] s){ super(n*m); N = n; M = m; S = s; for(int i=0;i<n-1;i++) { for(int j=0;j<m;j++) { if(S[i].charAt(j)=='.'&&S[i+1].charAt(j)=='.') { addWeightedEdge(toint(i,j),toint(i+1,j),1); addWeightedEdge(toint(i+1,j),toint(i,j),1); } } } for(int i=0;i<n;i++) { for(int j=0;j<m-1;j++) { if(S[i].charAt(j)=='.'&&S[i].charAt(j+1)=='.') { addWeightedEdge(toint(i,j),toint(i,j+1),1); addWeightedEdge(toint(i,j+1),toint(i,j),1); } } } } GridGraph(int n,int m,String[] s,char[] c){ super(n*m); N = n; M = m; S = s; map = new HashMap<Character,Integer>(); for(int i=0;i<n-1;i++) { for(int j=0;j<m;j++) { if(S[i].charAt(j)!=S[i+1].charAt(j)) { addWeightedEdge(toint(i,j),toint(i+1,j),1); addWeightedEdge(toint(i+1,j),toint(i,j),1); }else { addWeightedEdge(toint(i,j),toint(i+1,j),0); addWeightedEdge(toint(i+1,j),toint(i,j),0); } } } for(int i=0;i<n;i++) { for(int j=0;j<m-1;j++) { if(S[i].charAt(j)!=S[i].charAt(j+1)) { addWeightedEdge(toint(i,j),toint(i,j+1),1); addWeightedEdge(toint(i,j+1),toint(i,j),1); }else{ addWeightedEdge(toint(i,j),toint(i,j+1),0); addWeightedEdge(toint(i,j+1),toint(i,j),0); } } } for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { for(int k=0;k<c.length;k++) { if(S[i].charAt(j)==c[k])map.put(c[k],toint(i,j)); } } } } int toint(int i,int j) { return i*M+j; } } class BetterGridGraph{ int N; int M; char[][] S; HashMap<Character,ArrayList<Integer>> map; int[] dx = {0,1,0,-1}; int[] dy = {1,0,-1,0}; char w; char b = '#'; BetterGridGraph(int n,int m,String[] s,char[] c){ N = n; M = m; for(int i=0;i<s.length;i++) { S[i] = s[i].toCharArray(); } map = new HashMap<Character,ArrayList<Integer>>(); for(int i=0;i<c.length;i++) { map.put(c[i],new ArrayList<Integer>()); } for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { for(int k=0;k<c.length;k++) { if(S[i][j]==c[k])map.get(c[k]).add(toint(i,j)); } } } } BetterGridGraph(int n,int m,char[][] s,char[] c){ N = n; M = m; S = s; map = new HashMap<Character,ArrayList<Integer>>(); for(int i=0;i<c.length;i++) { map.put(c[i],new ArrayList<Integer>()); } for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { for(int k=0;k<c.length;k++) { if(S[i][j]==c[k])map.get(c[k]).add(toint(i,j)); } } } } BetterGridGraph(int n,int m,String[] s,char[] c,char W,char B){ N = n; M = m; for(int i=0;i<s.length;i++) { S[i] = s[i].toCharArray(); } w = W; b = B; map = new HashMap<Character,ArrayList<Integer>>(); for(int i=0;i<c.length;i++) { map.put(c[i],new ArrayList<Integer>()); } for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { for(int k=0;k<c.length;k++) { if(S[i][j]==c[k])map.get(c[k]).add(toint(i,j)); } } } } BetterGridGraph(int n,int m,char[][] s,char[] c,char W,char B){ N = n; M = m; S = s; w = W; b = B; map = new HashMap<Character,ArrayList<Integer>>(); for(int i=0;i<c.length;i++) { map.put(c[i],new ArrayList<Integer>()); } for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { for(int k=0;k<c.length;k++) { if(S[i][j]==c[k])map.get(c[k]).add(toint(i,j)); } } } } int toint(int i,int j) { return i*M+j; } ArrayList<Integer> getposlist(char c) { return map.get(c); } int getpos(char c) { return map.get(c).get(0); } int[] bfs(char C) { int[] L = new int[N*M]; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); for(int i=0;i<N*M;i++){ L[i] = -1; } for(int s:map.get(C)) { L[s] = 0; Q.add(s); } Range X = new Range(0,N-1); Range Y = new Range(0,M-1); while(!Q.isEmpty()){ int v = Q.poll(); for(int i=0;i<4;i++){ int x = v/M; int y = v%M; int nx = x+dx[i]; int ny = y+dy[i]; if(X.isIn(nx)&&Y.isIn(ny)&&S[nx][ny]!=b) { int w = toint(nx,ny); if(L[w]==-1){ L[w] = L[v] + 1; Q.add(w); } } } } return L; } int[][] bfs2(char C,int K){ int[][] L = new int[N*M][K+1]; PriorityQueue<IntIntPair> Q = new PriorityQueue<IntIntPair>(new IntIntComparator()); for(int i=0;i<N*M;i++){ for(int j=0;j<=K;j++) { L[i][j] = 1000000007; } } for(int s:map.get(C)) { L[s][0] = 0; Q.add(new IntIntPair(s,0)); } Range X = new Range(0,N-1); Range Y = new Range(0,M-1); while(!Q.isEmpty()){ IntIntPair v = Q.poll(); for(int i=0;i<4;i++){ int x = v.b/M; int y = v.b%M; int h = v.a; int nx = x+dx[i]; int ny = y+dy[i]; if(X.isIn(nx)&&Y.isIn(ny)&&S[nx][ny]!=b) { int ni = toint(nx,ny); int nh = S[nx][ny]==w?h+1:h; if(nh>K) continue; if(L[ni][nh]==1000000007){ L[ni][nh] = L[v.b][h]+1; Q.add(new IntIntPair(nh,ni)); } } } } for(int i=0;i<N*M;i++) { for(int j=1;j<=K;j++) { L[i][j] = Math.min(L[i][j],L[i][j-1]); } } return L; } int[] dijkstra(char C) { int[] L = new int[N*M]; PriorityQueue<IntIntPair> Q = new PriorityQueue<IntIntPair>(new IntIntComparator()); for(int i=0;i<N*M;i++){ L[i] = -1; } for(int s:map.get(C)) { L[s] = 0; Q.add(new IntIntPair(0,s)); } Range X = new Range(0,N-1); Range Y = new Range(0,M-1); while(!Q.isEmpty()){ IntIntPair P = Q.poll(); int v = P.b; int x = v/M; int y = v%M; for(int i=0;i<4;i++){ int nx = x+dx[i]; int ny = y+dy[i]; if(X.isIn(nx)&&Y.isIn(ny)&&S[nx][ny]!=b) { int w = toint(nx,ny); if(L[w]==-1||L[w]>L[v] + (S[nx][ny]!='t'?S[nx][ny]-'0':0)){ L[w] = L[v] + (S[nx][ny]!='t'?S[nx][ny]-'0':0); Q.add(new IntIntPair(L[w],w)); } } } if(x%2==0) { int nx = x+1; int ny = y-1; if(X.isIn(nx)&&Y.isIn(ny)&&S[nx][ny]!=b) { int w = toint(nx,ny); if(L[w]==-1){ L[w] = L[v] + (S[nx][ny]!='t'?S[nx][ny]-'0':0); Q.add(new IntIntPair(L[w],w)); } } nx = x-1; ny = y-1; if(X.isIn(nx)&&Y.isIn(ny)&&S[nx][ny]!=b) { int w = toint(nx,ny); if(L[w]==-1){ L[w] = L[v] + (S[nx][ny]!='t'?S[nx][ny]-'0':0); Q.add(new IntIntPair(L[w],w)); } } }else { int nx = x+1; int ny = y+1; if(X.isIn(nx)&&Y.isIn(ny)&&S[nx][ny]!=b) { int w = toint(nx,ny); if(L[w]==-1){ L[w] = L[v] + (S[nx][ny]!='t'?S[nx][ny]-'0':0); Q.add(new IntIntPair(L[w],w)); } } nx = x-1; ny = y+1; if(X.isIn(nx)&&Y.isIn(ny)&&S[nx][ny]!=b) { int w = toint(nx,ny); if(L[w]==-1){ L[w] = L[v] + (S[nx][ny]!='t'?S[nx][ny]-'0':0); Q.add(new IntIntPair(L[w],w)); } } } } return L; } } class IntGridGraph{ int N; int M; int[][] B; int[] dx = {0,1,0,-1}; int[] dy = {1,0,-1,0}; BiFunction<Integer,Integer,Boolean> F; IntGridGraph(int n,int m,int[][] b){ N = n; M = m; B = b; } IntGridGraph(int n,int m,int[][] b,BiFunction<Integer,Integer,Boolean> f){ N = n; M = m; B = b; F = f; } int toint(int i,int j) { return i*M+j; } int[] bfs(int s) { int[] L = new int[N*M]; for(int i=0;i<N*M;i++){ L[i] = -1; } L[s] = 0; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(s); Range X = new Range(0,N-1); Range Y = new Range(0,M-1); while(!Q.isEmpty()){ int v = Q.poll(); for(int i=0;i<4;i++){ int x = v/M; int y = v%M; int nx = x+dx[i]; int ny = y+dy[i]; if(X.isIn(nx)&&Y.isIn(ny)&&F.apply(B[x][y],B[nx][ny])) { int w = toint(nx,ny); if(L[w]==-1){ L[w] = L[v] + 1; Q.add(w); } } } } return L; } void bfs(int s,int[] L) { if(L[s]!=-1) return; L[s] = 0; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(s); Range X = new Range(0,N-1); Range Y = new Range(0,M-1); while(!Q.isEmpty()){ int v = Q.poll(); for(int i=0;i<4;i++){ int x = v/M; int y = v%M; int nx = x+dx[i]; int ny = y+dy[i]; if(X.isIn(nx)&&Y.isIn(ny)&&F.apply(B[x][y],B[nx][ny])) { int w = toint(nx,ny); if(L[w]==-1){ L[w] = L[v] + 1; Q.add(w); } } } } return; } int[][] bfs2(int s,int K){ int[][] L = new int[N*M][K+1]; for(int i=0;i<N*M;i++){ for(int j=0;j<=K;j++) L[i][j] = 1000000007; } L[s][0] = 0; PriorityQueue<IntIntPair> Q = new PriorityQueue<IntIntPair>(new IntIntComparator()); Q.add(new IntIntPair(0,s)); Range X = new Range(0,N-1); Range Y = new Range(0,M-1); while(!Q.isEmpty()){ IntIntPair v = Q.poll(); for(int i=0;i<4;i++){ int x = v.b/M; int y = v.b%M; int h = v.a; int nx = x+dx[i]; int ny = y+dy[i]; if(X.isIn(nx)&&Y.isIn(ny)&&F.apply(B[x][y],B[nx][ny])) { int ni = toint(nx,ny); int nh = h + B[nx][ny]; if(nh>K) continue; if(L[ni][nh]==1000000007){ L[ni][nh] = L[v.b][h] + 1; Q.add(new IntIntPair(nh,ni)); } } } } for(int i=0;i<N*M;i++) { for(int j=1;j<=K;j++) { L[i][j] = Math.min(L[i][j],L[i][j-1]); } } return L; } } class StringManager{ ArrayList<Character> S; static Mathplus mp; static boolean calced; static int base; static long baserev; ArrayList<Long> l; StringManager(String s){ S = new ArrayList<Character>(); for(int i=0;i<s.length();i++) { S.add(s.charAt(i)); } if(!calced) { calced = true; mp = new Mathplus(); base = 1000003; baserev = mp.rev(base); mp.buildpow(base,1000050); mp.buildrevpow((int) baserev,1000050); } l = new ArrayList<Long>(); l.add((long)S.get(0)); for(int i=1;i<S.size();i++) { char c = S.get(i); l.add((l.get(i-1) + mp.pow[i] * c)%mp.mod); } } void add(char C){ int i = S.size(); S.add(C); l.add((l.get(i-1) + mp.pow[i] * C)%mp.mod); } long gethash(int le,int ri) { long res = l.get(ri); if(le!=0) { res -= l.get(le-1); res += mp.mod; res %= mp.mod; res *= mp.revpow[le]; res %= mp.mod; } return res; } ArrayList<CIPair> runlength(String s){ ArrayList<CIPair> ret = new ArrayList<CIPair>(); s += ' '; char bef = ' '; int len = 0; for(int i=0;i<s.length();i++) { if(s.charAt(i)!=bef) { if(bef != ' ')ret.add(new CIPair(bef,len)); len = 1; }else { len++; } bef = s.charAt(i); } return ret; } ArrayList<CIPair> runlength(ArrayList<Character> s){ ArrayList<CIPair> ret = new ArrayList<CIPair>(); s.add(' '); char bef = ' '; int len = 0; for(int i=0;i<s.size();i++) { if(s.get(i)!=bef) { if(bef != ' ')ret.add(new CIPair(bef,len)); len = 1; }else { len++; } bef = s.get(i); } return ret; } } class Trie{ int nodenumber = 1; ArrayList<TrieNode> l; Trie(){ l = new ArrayList<TrieNode>(); l.add(new TrieNode()); } void add(String S,int W){ int now = 0; for(int i=0;i<S.length();i++) { TrieNode n = l.get(now); char c = S.charAt(i); if(n.Exist[c-'a']!=-1) { now = n.Exist[c-'a']; }else { l.add(new TrieNode()); n.Exist[c-'a'] = nodenumber; now = nodenumber; nodenumber++; } } l.get(now).weight = W; } void find(String S,int i,int[] dp) { int now = 0; dp[i+1] = Math.max(dp[i],dp[i+1]); for(int j=0;;j++) { TrieNode n = l.get(now); dp[i+j] = Math.max(dp[i+j],dp[i]+n.weight); int slook = i+j; if(slook>=S.length())return; char c = S.charAt(slook); if(n.Exist[c-'a']==-1)return; now = n.Exist[c-'a']; } } } class TrieNode{ int[] Exist = new int[26]; int weight = 0; TrieNode(){ for(int i=0;i<26;i++) { Exist[i] = -1; } } } class SizeComparator implements Comparator<Edge>{ int[] size; SizeComparator(int[] s) { size = s; } public int compare(Edge o1, Edge o2) { return size[o1.to]-size[o2.to]; } } class ConvexHullTrick { long[] A, B; int len; public ConvexHullTrick(int n) { A = new long[n]; B = new long[n]; } private boolean check(long a, long b) { return (B[len - 2] - B[len - 1]) * (a - A[len - 1]) >= (B[len - 1] - b) * (A[len - 1] - A[len - 2]); } public void add(long a, long b) { while (len >= 2 && check(a, b)) { len--; } A[len] = a; B[len] = b; len++; } public long query(long x) { int l = -1, r = len - 1; while (r - l > 1) { int mid = (r + l) / 2; if (get(mid,x)>=get(mid+1,x)) { l = mid; } else { r = mid; } } return get(r,x); } private long get(int k, long x) { return A[k] * x + B[k]; } } class Range{ int l; int r; int length; Range(int L,int R){ l = L; r = R; length = R-L+1; } boolean isIn(int x) { return (l<=x&&x<=r); } } class LeftComparator implements Comparator<Range>{ public int compare(Range P, Range Q) { return P.l-Q.l; } } class RightComparator implements Comparator<Range>{ public int compare(Range P, Range Q) { return P.r-Q.r; } } class LengthComparator implements Comparator<Range>{ public int compare(Range P, Range Q) { return P.length-Q.length; } } class SegmentTree<T,E>{ int N; BiFunction<T,T,T> f; BiFunction<T,E,T> g; T d1; ArrayList<T> dat; SegmentTree(BiFunction<T,T,T> F,BiFunction<T,E,T> G,T D1,T[] v){ int n = v.length; f = F; g = G; d1 = D1; init(n); build(v); } void init(int n) { N = 1; while(N<n)N*=2; dat = new ArrayList<T>(); } void build(T[] v) { for(int i=0;i<2*N;i++) { dat.add(d1); } for(int i=0;i<v.length;i++) { dat.set(N+i-1,v[i]); } for(int i=N-2;i>=0;i--) { dat.set(i,f.apply(dat.get(i*2+1),dat.get(i*2+2))); } } void update(int k,E a) { k += N-1; dat.set(k,g.apply(dat.get(k),a)); while(k>0){ k = (k-1)/2; dat.set(k,f.apply(dat.get(k*2+1),dat.get(k*2+2))); } } T query(int a,int b, int k, int l ,int r) { if(r<=a||b<=l) return d1; if(a<=l&&r<=b) return dat.get(k); T vl = query(a,b,k*2+1,l,(l+r)/2); T vr = query(a,b,k*2+2,(l+r)/2,r); return f.apply(vl, vr); } T query(int a,int b){ return query(a,b,0,0,N); } } class LazySegmentTree<T,E> extends SegmentTree<T,E>{ BiFunction<E,E,E> h; BiFunction<E,Integer,E> p = (E a,Integer b) ->{return a;}; E d0; ArrayList<E> laz; LazySegmentTree(BiFunction<T,T,T> F,BiFunction<T,E,T> G,BiFunction<E,E,E> H,T D1,E D0,T[] v){ super(F,G,D1,v); int n = v.length; h = H; d0 = D0; Init(n); } void build() { } void Init(int n){ laz = new ArrayList<E>(); for(int i=0;i<2*N;i++) { laz.add(d0); } } void eval(int len,int k) { if(laz.get(k).equals(d0)) return; if(k*2+1<N*2-1) { laz.set(k*2+1,h.apply(laz.get(k*2+1),laz.get(k))); laz.set(k*2+2,h.apply(laz.get(k*2+2),laz.get(k))); } dat.set(k,g.apply(dat.get(k), p.apply(laz.get(k), len))); laz.set(k,d0); } T update(int a,int b,E x,int k,int l,int r) { eval(r-l,k); if(r<=a||b<=l) { return dat.get(k); } if(a<=l&&r<=b) { laz.set(k,h.apply(laz.get(k),x)); return g.apply(dat.get(k),p.apply(laz.get(k),r-l)); } T vl = update(a,b,x,k*2+1,l,(l+r)/2); T vr = update(a,b,x,k*2+2,(l+r)/2,r); dat.set(k,f.apply(vl,vr)); return dat.get(k); } T update(int a,int b,E x) { return update(a,b,x,0,0,N); } T query(int a,int b,int k,int l,int r) { eval(r-l,k); if(r<=a||b<=l) return d1; if(a<=l&&r<=b) return dat.get(k); T vl = query(a,b,k*2+1,l,(l+r)/2); T vr = query(a,b,k*2+2,(l+r)/2,r); return f.apply(vl, vr); } T query(int a,int b){ return query(a,b,0,0,N); } } class AddSumSegmentTree{ int N; int d1; ArrayList<Integer> dat; AddSumSegmentTree(int[] v){ int n = v.length; init(n); build(v); } void init(int n) { N = 1; while(N<n)N*=2; dat = new ArrayList<Integer>(); } void build(int[] v) { for(int i=0;i<2*N;i++) { dat.add(d1); } for(int i=0;i<v.length;i++) { dat.set(N+i-1,v[i]); } for(int i=N-2;i>=0;i--) { dat.set(i,dat.get(i*2+1)+dat.get(i*2+2)); } } void update(int k,int a) { k += N-1; dat.set(k,dat.get(k)+a); while(k>0){ k = (k-1)/2; dat.set(k,dat.get(k*2+1)+dat.get(k*2+2)); } } int query(int a,int b, int k, int l ,int r) { if(r<=a||b<=l) return d1; if(a<=l&&r<=b) return dat.get(k); int vl = query(a,b,k*2+1,l,(l+r)/2); int vr = query(a,b,k*2+2,(l+r)/2,r); return vl+vr; } int query(int a,int b){ return query(a,b,0,0,N); } } class AddSumLazySegmentTree { int N; long[] dat; long[] laz; AddSumLazySegmentTree(long[] v){ init(v.length); for(int i=0;i<v.length;i++) { dat[N+i-1]=v[i]; } for(int i=N-2;i>=0;i--) { dat[i]=dat[i*2+1]+dat[i*2+2]; } } void init(int n) { N = 1; while(N<n)N*=2; dat = new long[2*N]; laz = new long[2*N]; } void eval(int len,int k) { if(laz[k]==0) return; if(k*2+1<N*2-1) { laz[k*2+1] += laz[k]; laz[k*2+2] += laz[k]; } dat[k] += laz[k] * len; laz[k] = 0; } long update(int a,int b,long x,int k,int l,int r) { eval(r-l,k); if(r<=a||b<=l) { return dat[k]; } if(a<=l&&r<=b) { laz[k] += x; return dat[k]+laz[k]*(r-l); } long vl = update(a,b,x,k*2+1,l,(l+r)/2); long vr = update(a,b,x,k*2+2,(l+r)/2,r); return dat[k] = vl+vr; } long update(int a,int b,long x) { return update(a,b,x,0,0,N); } long query(int a,int b,int k,int l,int r) { eval(r-l,k); if(r<=a||b<=l) return 0; if(a<=l&&r<=b) return dat[k]; long vl = query(a,b,k*2+1,l,(l+r)/2); long vr = query(a,b,k*2+2,(l+r)/2,r); return vl+vr; } long query(int a,int b){ return query(a,b,0,0,N); } } class BinaryIndexedTree{ int[] val; BinaryIndexedTree(int N){ val = new int[N+1]; } long sum(int i) { if(i==0)return 0; long s = 0; while(i>0) { s += val[i]; i -= i & (-i); } return s; } void add(int i,int x) { if(i==0)return; while(i<val.length){ val[i] += x; i += i & (-i); } } } class UnionFindTree { int[] root; int[] rank; int[] size; int[] edge; int num; UnionFindTree(int N){ root = new int[N]; rank = new int[N]; size = new int[N]; edge = new int[N]; num = N; for(int i=0;i<N;i++){ root[i] = i; size[i] = 1; } } public boolean isRoot(int x) { return x==find(x); } public int extraEdge(int x) { int r = find(x); return edge[r] - size[r] + 1; } public int find(int x){ if(root[x]==x){ return x; }else{ return find(root[x]); } } public void unite(int x,int y){ x = find(x); y = find(y); if(x==y){ edge[x]++; return; }else{ num--; if(rank[x]<rank[y]){ root[x] = y; size[y] += size[x]; edge[y] += edge[x]+1; }else{ root[y] = x; size[x] += size[y]; edge[x] += edge[y]+1; if(rank[x]==rank[y]){ rank[x]++; } } } } public boolean same(int x,int y){ return find(x)==find(y); } } class LightUnionFindTree { int[] par; int num; LightUnionFindTree(int N){ par = new int[N]; num = N; for(int i=0;i<N;i++){ par[i] = -1; } } public boolean isRoot(int x) { return x==find(x); } public int find(int x){ if(par[x]<0){ return x; }else{ return find(par[x]); } } public void unite(int x,int y){ x = find(x); y = find(y); if(x==y){ return; }else{ num--; if(par[x]<par[y]){ par[x] += par[y]; par[y] = x; }else{ par[y] += par[x]; par[x] = y; } } } public boolean same(int x,int y){ return find(x)==find(y); } } class ParticalEternalLastingUnionFindTree extends UnionFindTree{ int[] time; int now; ParticalEternalLastingUnionFindTree(int N){ super(N); time = new int[N]; for(int i=0;i<N;i++) { time[i] = 1000000007; } } public int find(int t,int i) { if(time[i]>t) { return i; }else { return find(t,root[i]); } } public void unite(int x,int y,int t) { now = t; x = find(t,x); y = find(t,y); if(x==y)return; if(rank[x]<rank[y]){ root[x] = y; size[y] += size[x]; time[x] = t; }else{ root[y] = x; size[x] += size[y]; if(rank[x]==rank[y]){ rank[x]++; } time[y] = t; } } public int sametime(int x,int y) { if(find(now,x)!=find(now,y)) return -1; int ok = now; int ng = 0; while(ok-ng>1) { int mid = (ok+ng)/2; if(find(mid,x)==find(mid,y)) { ok = mid; }else { ng = mid; } } return ok; } } class Graph { ArrayList<Edge>[] list; int size; TreeSet<LinkEdge> Edges = new TreeSet<LinkEdge>(new LinkEdgeComparator()); @SuppressWarnings("unchecked") Graph(int N){ size = N; list = new ArrayList[N]; for(int i=0;i<N;i++){ list[i] = new ArrayList<Edge>(); } } public long[] dicount(int s) { long[] L = new long[size]; long[] c = new long[size]; int mod = 1000000007; for(int i=0;i<size;i++){ L[i] = -1; } int[] v = new int[size]; L[s] = 0; c[s] = 1; PriorityQueue<LongIntPair> Q = new PriorityQueue<LongIntPair>(new LongIntComparator()); Q.add(new LongIntPair(0,s)); while(!Q.isEmpty()){ LongIntPair C = Q.poll(); if(v[C.b]==0){ L[C.b] = C.a; v[C.b] = 1; for(Edge D:list[C.b]) { //System.out.println(C.b +" "+ D.to); if(L[D.to]==-1||L[D.to]>L[C.b]+D.cost) { L[D.to]=L[C.b]+D.cost; c[D.to] = c[C.b]; Q.add(new LongIntPair(L[C.b]+D.cost,D.to)); }else if(L[D.to]==L[C.b]+D.cost) { c[D.to] += c[C.b]; } c[D.to] %= mod; } } } return c; } public long[] roots(int s) { int[] in = new int[size]; ArrayDeque<Integer> q = new ArrayDeque<Integer>(); long[] N = new long[size]; long mod = 1000000007; for(int i=0;i<size;i++) { for(Edge e:list[i])in[e.to]++; } for(int i=0;i<size;i++) { if(in[i]==0)q.add(i); } N[s] = 1; while(!q.isEmpty()) { int v = q.poll(); for(Edge e:list[v]) { N[e.to] += N[v]; if(N[e.to]>=mod)N[e.to]-= mod; in[e.to]--; if(in[e.to]==0)q.add(e.to); } } return N; } void addEdge(int a,int b){ list[a].add(new Edge(b,1)); } void addWeightedEdge(int a,int b,long c){ list[a].add(new Edge(b,c)); } void addEgdes(int[] a,int[] b){ for(int i=0;i<a.length;i++){ list[a[i]].add(new Edge(b[i],1)); } } void addWeightedEdges(int[] a ,int[] b ,int[] c){ for(int i=0;i<a.length;i++){ list[a[i]].add(new Edge(b[i],c[i])); } } long[] bfs(int s){ long[] L = new long[size]; for(int i=0;i<size;i++){ L[i] = -1; } L[s] = 0; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(s); while(!Q.isEmpty()){ int v = Q.poll(); for(Edge e:list[v]){ int w = e.to; long c = e.cost; if(L[w]==-1){ L[w] = L[v] + c; Q.add(w); } } } return L; } long[][] bfswithrev(int s){ long[][] L = new long[2][size]; for(int i=0;i<size;i++){ L[0][i] = -1; L[1][i] = -1; } L[0][s] = 0; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(s); while(!Q.isEmpty()){ int v = Q.poll(); for(Edge e:list[v]){ int w = e.to; long c = e.cost; if(L[0][w]==-1){ L[0][w] = L[0][v] + c; L[1][w] = v; Q.add(w); } } } return L; } long[] bfs2(int[] d,int s){ long[] L = new long[size]; for(int i=0;i<size;i++){ L[i] = -1; } int p = 0; L[s] = 0; d[s] = p; p++; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(s); while(!Q.isEmpty()){ int v = Q.poll(); for(Edge e:list[v]){ int w = e.to; long c = e.cost; if(L[w]==-1){ d[w] = p; p++; L[w] = L[v] + c; Q.add(w); } } } return L; } boolean bfs3(int s,long[] L, int[] vi){ if(vi[s]==1) return true; vi[s] = 1; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(s); while(!Q.isEmpty()){ int v = Q.poll(); for(Edge e:list[v]){ int w = e.to; long c = e.cost; if(vi[e.to]==0) { L[e.to] = (int)c - L[v]; Q.add(w); vi[e.to] = 1; }else { if(L[e.to]!=(int)c - L[v]) { return false; } } } } return true; } int[] isTwoColor(){ int[] L = new int[size]; for(int i=0;i<size;i++){ L[i] = -1; } L[0] = 0; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(0); while(!Q.isEmpty()){ int v = Q.poll(); for(Edge e:list[v]){ int w = e.to; if(L[w]==-1){ L[w] = 1-L[v]; Q.add(w); }else{ if(L[v]+L[w]!=1){ L[0] = -2; } } } } return L; } void isTwoColor2(int i,int[] L){ L[i] = 0; ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(i); while(!Q.isEmpty()){ int v = Q.poll(); for(Edge e:list[v]){ int w = e.to; if(L[w]==-1){ L[w] = 1-L[v]; Q.add(w); }else{ if(L[v]+L[w]!=1){ L[0] = -2; } } } } } long[] dijkstra(int s){ long[] L = new long[size]; for(int i=0;i<size;i++){ L[i] = -1; } int[] v = new int[size]; L[s] = 0; PriorityQueue<LongIntPair> Q = new PriorityQueue<LongIntPair>(new LongIntComparator()); Q.add(new LongIntPair(0,s)); while(!Q.isEmpty()){ LongIntPair C = Q.poll(); if(v[C.b]==0){ L[C.b] = C.a; v[C.b] = 1; for(Edge D:list[C.b]) { if(L[D.to]==-1||L[D.to]>L[C.b]+D.cost) { L[D.to]=L[C.b]+D.cost; Q.add(new LongIntPair(L[C.b]+D.cost,D.to)); } } } } return L; } public long[] dijkstra2(int s, long mid) { long[] L = new long[size]; for(int i=0;i<size;i++){ L[i] = -1; } int[] v = new int[size]; L[s] = 0; PriorityQueue<LongIntPair> Q = new PriorityQueue<LongIntPair>(new LongIntComparator()); Q.add(new LongIntPair(0,s)); int lg = 1000000007; while(!Q.isEmpty()){ LongIntPair C = Q.poll(); if(v[C.b]==0){ L[C.b] = C.a; v[C.b] = 1; for(Edge D:list[C.b]) { if((L[D.to]==-1||L[D.to]>L[C.b]+D.cost%lg)&&L[C.b]+D.cost/lg<=mid) { L[D.to]=L[C.b]+D.cost%lg; Q.add(new LongIntPair(L[C.b]+D.cost%lg,D.to)); } } } } return L; } ArrayList<Graph> makeapart(){ ArrayList<Graph> ans = new ArrayList<Graph>(); boolean[] b = new boolean[size]; int[] num = new int[size]; for(int i=0;i<size;i++){ if(b[i])continue; int sz = 0; ArrayList<Integer> l = new ArrayList<Integer>(); ArrayDeque<Integer> Q = new ArrayDeque<Integer>(); Q.add(i); b[i] = true; while(!Q.isEmpty()){ int v = Q.poll(); num[v] = sz; sz++; l.add(v); for(Edge e:list[v]){ if(!b[e.to]){ Q.add(e.to); b[e.to] = true; } } } Graph H = new Graph(sz); for(int e:l){ for(Edge E:list[e]){ H.addWeightedEdge(num[e],num[E.to],E.cost); } } ans.add(H); } return ans; } long[] bellmanFord(int s) { long inf = 1000000000; inf *= inf; long[] d = new long[size]; boolean[] n = new boolean[size]; d[s] = 0; for(int i=1;i<size;i++){ d[i] = inf; d[i] *= d[i]; } for(int i=0;i<size-1;i++){ for(int j=0;j<size;j++){ for(Edge E:list[j]){ if(d[j]!=inf&&d[E.to]>d[j]+E.cost){ d[E.to]=d[j]+E.cost; } } } } for(int i=0;i<size;i++){ for(int j=0;j<size;j++){ for(Edge e:list[j]){ if(d[j]==inf) continue; if(d[e.to]>d[j]+e.cost) { d[e.to]=d[j]+e.cost; n[e.to] = true; } if(n[j])n[e.to] = true; } } } for(int i=0;i<size;i++) { if(n[i])d[i] = inf; } return d; } long[][] WarshallFloyd(long[][] a){ int n = a.length; long[][] ans = new long[n][n]; for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { ans[i][j] = a[i][j]==0?(long)1e16:a[i][j]; if(i==j)ans[i][j]=0; } } for(int k=0;k<n;k++) { for(int i=0;i<n;i++) { for(int j=0;j<n;j++) { ans[i][j] = Math.min(ans[i][j],ans[i][k]+ans[k][j]); } } } return ans; } long[] maxtra(int s,long l){ long[] L = new long[size]; for(int i=0;i<size;i++){ L[i] = -1; } int[] v = new int[size]; L[s] = -1; PriorityQueue<Pair> Q = new PriorityQueue<Pair>(new SampleComparator()); Q.add(new Pair(l,s)); while(!Q.isEmpty()){ Pair C = Q.poll(); if(v[(int)C.b]==0){ L[(int)C.b] = C.a; v[(int) C.b] = 1; for(Edge D:list[(int) C.b])Q.add(new Pair(Math.max(L[(int)C.b],D.cost),D.to)); } } return L; } long[] mintra(int s){ long[] L = new long[size]; for(int i=0;i<size;i++){ L[i] = -1; } int[] v = new int[size]; L[s] = s; PriorityQueue<Pair> Q = new PriorityQueue<Pair>(new SampleComparator().reversed()); Q.add(new Pair(s,s)); while(!Q.isEmpty()){ Pair C = Q.poll(); if(v[(int)C.b]==0){ L[(int)C.b] = C.a; v[(int) C.b] = 1; for(Edge D:list[(int) C.b])Q.add(new Pair(Math.min(L[(int)C.b],D.cost),D.to)); } } return L; } long Kruskal(){ long r = 0; for(int i=0;i<size;i++) { for(Edge e:list[i]) { Edges.add(new LinkEdge(e.cost,i,e.to)); } } UnionFindTree UF = new UnionFindTree(size); for(LinkEdge e:Edges){ if(e.a>=0&&e.b>=0) { if(!UF.same(e.a,e.b)){ r += e.L; UF.unite(e.a,e.b); } } } return r; } ArrayList<Integer> Kahntsort(){ ArrayList<Integer> ans = new ArrayList<Integer>(); PriorityQueue<Integer> q = new PriorityQueue<Integer>(); int[] in = new int[size]; for(int i=0;i<size;i++) { for(Edge e:list[i])in[e.to]++; } for(int i=0;i<size;i++) { if(in[i]==0)q.add(i); } while(!q.isEmpty()) { int v = q.poll(); ans.add(v); for(Edge e:list[v]) { in[e.to]--; if(in[e.to]==0)q.add(e.to); } } for(int i=0;i<size;i++) { if(in[i]>0)return new ArrayList<Integer>(); } return ans; } public Stack<Integer> findCycle() { Stack<Integer> ans = new Stack<Integer>(); boolean[] v = new boolean[size]; boolean[] f = new boolean[size]; for(int i=0;i<size;i++) { if(findCycle(i,ans,v,f))break; } return ans; } private boolean findCycle(int i, Stack<Integer>ans, boolean[] v,boolean[] f) { v[i] = true; ans.push(i); for(Edge e:list[i]) { if(f[e.to]) continue; if(v[e.to]&&!f[e.to]) { return true; } if(findCycle(e.to,ans,v,f))return true; } ans.pop(); f[i] = true; return false; } RootedTree dfsTree(int i) { int[] u = new int[size]; RootedTree r = new RootedTree(size); dfsTree(i,u,r); return r; } private void dfsTree(int i, int[] u, RootedTree r) { u[i] = 1; for(Edge e:list[i]) { if(u[e.to]==0) { r.list[i].add(e); u[e.to] = 1; dfsTree(e.to,u,r); } } } } class Tree extends Graph{ int[] trans; public Tree(int N) { super(N); } long[] tyokkei(){ long[] a = bfs(0); int md = -1; long m = 0; for(int i=0;i<size;i++){ if(m<a[i]){ m = a[i]; md = i; } } long[] b = bfs(md); int md2 = -1; long m2 = 0; for(int i=0;i<size;i++){ if(m2<b[i]){ m2 = b[i]; md2 = i; } } long[] r = {m2,md,md2}; return r; } } class RootedTree extends Graph{ RootedTree(int N){ super(N); } } class LinkEdge{ long L; int a ; int b; int id; LinkEdge(long l,int A,int B){ L = l; a = A; b = B; } LinkEdge(long l,int A,int B,int i){ L = l; a = A; b = B; id = i; } public boolean equals(Object o){ LinkEdge O = (LinkEdge) o; return O.a==this.a&&O.b==this.b&&O.L==this.L; } public int hashCode(){ return Objects.hash(L,a,b); } } class DoubleLinkEdge{ double D; int a; int b; DoubleLinkEdge(double d,int A,int B){ D = d; a = A; b = B; } public boolean equals(Object o){ DoubleLinkEdge O = (DoubleLinkEdge) o; return O.a==this.a&&O.b==this.b&&O.D==this.D; } public int hashCode(){ return Objects.hash(D,a,b); } } class Edge{ int to; long cost; Edge(int a,long b){ to = a; cost = b; } } class DoubleLinkEdgeComparator implements Comparator<DoubleLinkEdge>{ public int compare(DoubleLinkEdge P, DoubleLinkEdge Q) { return Double.compare(P.D,Q.D); } } class LinkEdgeComparator implements Comparator<LinkEdge>{ public int compare(LinkEdge P, LinkEdge Q) { return Long.compare(P.L,Q.L); } } class Pair{ long a; long b; Pair(long p,long q){ this.a = p; this.b = q; } public boolean equals(Object o){ Pair O = (Pair) o; return O.a==this.a&&O.b==this.b; } public int hashCode(){ return Objects.hash(a,b); } } class SampleComparator implements Comparator<Pair>{ public int compare(Pair P, Pair Q) { long t = P.a-Q.a; if(t==0){ if(P.b==Q.b)return 0; return P.b>Q.b?1:-1; } return t>=0?1:-1; } } class LongIntPair{ long a; int b; LongIntPair(long p,int q){ this.a = p; this.b = q; } public boolean equals(Object o){ LongIntPair O = (LongIntPair) o; return O.a==this.a&&O.b==this.b; } public int hashCode(){ return Objects.hash(a,b); } } class LongIntComparator implements Comparator<LongIntPair>{ public int compare(LongIntPair P, LongIntPair Q) { long t = P.a-Q.a; if(t==0){ if(P.b>Q.b){ return 1; }else{ return -1; } } return t>=0?1:-1; } } class IntIntPair{ int a; int b; IntIntPair(int p,int q){ this.a = p; this.b = q; } IntIntPair(int p,int q,String s){ if(s.equals("sort")) { this.a = Math.min(p,q); this.b = Math.max(p,q); } } public boolean equals(Object o){ IntIntPair O = (IntIntPair) o; return O.a==this.a&&O.b==this.b; } public int hashCode(){ return Objects.hash(a,b); } } class IntIntComparator implements Comparator<IntIntPair>{ public int compare(IntIntPair P, IntIntPair Q) { int t = P.a-Q.a; if(t==0){ return P.b-Q.b; } return t; } } class CIPair{ char c; int i; CIPair(char C,int I){ c = C; i = I; } public boolean equals(Object o){ CIPair O = (CIPair) o; return O.c==this.c&&O.i==this.i; } public int hashCode(){ return Objects.hash(c,i); } } class DoublePair{ double a; double b; DoublePair(double p,double q){ this.a = p; this.b = q; } public boolean equals(Object o){ DoublePair O = (DoublePair) o; return O.a==this.a&&O.b==this.b; } public int hashCode(){ return Objects.hash(a,b); } } class Triplet{ long a; long b; long c; Triplet(long p,long q,long r){ a = p; b = q; c = r; } public boolean equals(Object o){ Triplet O = (Triplet) o; return O.a==this.a&&O.b==this.b&&O.c==this.c?true:false; } public int hashCode(){ return Objects.hash(a,b,c); } } class TripletComparator implements Comparator<Triplet>{ public int compare(Triplet P, Triplet Q) { long t = P.a-Q.a; if(t==0){ long tt = P.b-Q.b; if(tt==0) { if(P.c>Q.c) { return 1; }else if(P.c<Q.c){ return -1; }else { return 0; } } return tt>0?1:-1; } return t>=0?1:-1; } } class DDComparator implements Comparator<DoublePair>{ public int compare(DoublePair P, DoublePair Q) { return P.a-Q.a>=0?1:-1; } } class DoubleTriplet{ double a; double b; double c; DoubleTriplet(double p,double q,double r){ this.a = p; this.b = q; this.c = r; } public boolean equals(Object o){ DoubleTriplet O = (DoubleTriplet) o; return O.a==this.a&&O.b==this.b&&O.c==this.c; } public int hashCode(){ return Objects.hash(a,b,c); } } class DoubleTripletComparator implements Comparator<DoubleTriplet>{ public int compare(DoubleTriplet P, DoubleTriplet Q) { if(P.a==Q.a) return 0; return P.a-Q.a>0?1:-1; } } class FastScanner { private final java.io.InputStream in = System.in; private final byte[] b = new byte[1024]; private int p = 0; private int bl = 0; private boolean hNB() { if (p<bl) { return true; }else{ p = 0; try { bl = in.read(b); } catch (IOException e) { e.printStackTrace(); } if (bl<=0) { return false; } } return true; } private int rB() { if (hNB()) return b[p++]; else return -1;} private static boolean iPC(int c) { return 33 <= c && c <= 126;} private void sU() { while(hNB() && !iPC(b[p])) p++;} public boolean hN() { sU(); return hNB();} public String next() { if (!hN()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = rB(); while(iPC(b)) { sb.appendCodePoint(b); b = rB(); } return sb.toString(); } public char nextChar() { return next().charAt(0); } public long nextLong() { if (!hN()) throw new NoSuchElementException(); long n = 0; boolean m = false; int b = rB(); if (b=='-') { m=true; b=rB(); } if (b<'0'||'9'<b) { throw new NumberFormatException(); } while(true){ if ('0'<=b&&b<='9') { n *= 10; n += b - '0'; }else if(b == -1||!iPC(b)){ return (m?-n:n); }else{ throw new NumberFormatException(); } b = rB(); } } public int nextInt() { if (!hN()) throw new NoSuchElementException(); long n = 0; boolean m = false; int b = rB(); if (b == '-') { m = true; b = rB(); } if (b<'0'||'9'<b) { throw new NumberFormatException(); } while(true){ if ('0'<=b&&b<='9') { n *= 10; n += b-'0'; }else if(b==-1||!iPC(b)){ return (int) (m?-n:n); }else{ throw new NumberFormatException(); } b = rB(); } } public int[] nextInts(int n) { int[] a = new int[n]; for(int i=0;i<n;i++) { a[i] = nextInt(); } return a; } public int[] nextInts(int n,int s) { int[] a = new int[n+s]; for(int i=s;i<n+s;i++) { a[i] = nextInt(); } return a; } public long[] nextLongs(int n) { long[] a = new long[n]; for(int i=0;i<n;i++) { a[i] = nextLong(); } return a; } public int[][] nextIntses(int n,int m){ int[][] a = new int[n][m]; for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { a[i][j] = nextInt(); } } return a; } void nextIntses(int n,int[] ...m) { int l = m[0].length; for(int i=0;i<l;i++) { for(int j=0;j<m.length;j++) { m[j][i] = nextInt(); } } } void nextLongses(int n,long[] ...m) { int l = m[0].length; for(int i=0;i<l;i++) { for(int j=0;j<m.length;j++) { m[j][i] = nextLong(); } } } Graph nextyukoGraph(int n,int m) { Graph G = new Graph(n); for(int i=0;i<m;i++) { int a = nextInt()-1; int b = nextInt()-1; G.addEdge(a,b); } return G; } Graph nextGraph(int n,int m) { Graph G = new Graph(n); for(int i=0;i<m;i++) { int a = nextInt()-1; int b = nextInt()-1; G.addEdge(a,b); G.addEdge(b,a); } return G; } Graph nextWeightedGraph(int n,int m) { Graph G = new Graph(n); for(int i=0;i<m;i++) { int a = nextInt()-1; int b = nextInt()-1; long c = nextLong(); G.addWeightedEdge(a,b,c); G.addWeightedEdge(b,a,c); } return G; } Tree nextTree(int n) { Tree T = new Tree(n); for(int i=0;i<n-1;i++) { int a = nextInt()-1; int b = nextInt()-1; T.addEdge(a,b); T.addEdge(b,a); } return T; } } class Mathplus{ long mod = 1000000007; long[] fac; long[] revfac; long[][] comb; long[] pow; long[] revpow; boolean isBuild = false; boolean isBuildc = false; boolean isBuildp = false; int mindex = -1; int maxdex = -1; int graydiff = 0; int graymark = 0; int color(int[][] diff,int N) { int[] val = new int[1<<N]; val[0] = 1; for(int i=0;i<(1<<N);i++) { for(int j=0;j<N;j++) { if(contains(i,j)) { if(val[bitremove(i,j)]==1) { boolean b = true; for(int k=0;k<N;k++) { if(contains(i,k)&&diff[j][k]==1) { b = false; } } if(b)val[i] = 1; } break; } } } int[] dp = new int[1<<N]; Arrays.fill(dp,N+1);; dp[0] = 0; for(int i=0;i<(1<<N);i++) { for(int j=i;j>0;j=(j-1)&i) { if(val[j]==1)dp[i]=Math.min(dp[i],dp[i^j]+1); } } return dp[(1<<N)-1]; } public void timeout() throws InterruptedException { Thread.sleep(10000); } public int gray(int i) { for(int j=0;j<20;j++) { if(contains(i,j)) { graydiff = j; if(contains(i,j+1))graymark=-1; else graymark = 1; break; } } return i ^ (i>>1); } public void hakidashi(long[] A) { Arrays.sort(A); int N = A.length; int[] index = new int[61]; for(int i=0;i<=60;i++){ index[i] = -1; } int searching = 60; int [] used = new int[N]; while(searching>=0){ boolean b = true; for(int i=N-1;i>=0;i--){ for(int j=60;j>searching;j--){ if((A[i]>>j&1)==1){ if(i!=index[j]&&index[j]!=-1){ A[i] ^= A[index[j]]; //System.out.println(i+" changed by " + index[j]); //System.out.println(A[i]); } } } if((A[i]>>searching&1)==1&&used[i]==0){ //System.out.println("find " + searching+" is "+i); index[searching] = i; searching--; used[i] = 1; b = false; if(searching==-1){ searching = 0; } } } if(b){ searching--; } } for(int i=N-1;i>=0;i--){ for(int j=60;j>=searching;j--){ if((A[i]>>j&1)==1){ if(i!=index[j]&&index[j]!=-1){ A[i] ^= A[index[j]]; } } } } Arrays.sort(A); } public void printjudge(boolean b, String y, String n) { System.out.println(b?y:n); } public void printYN(boolean b) { printjudge(b,"Yes","No"); } public void printyn(boolean b) { printjudge(b,"yes","no"); } public void reverse(int[] x) { int[] r = new int[x.length]; for(int i=0;i<x.length;i++)r[i] = x[x.length-1-i]; for(int i=0;i<x.length;i++)x[i] = r[i]; } public void reverse(long[] x) { long[] r = new long[x.length]; for(int i=0;i<x.length;i++)r[i] = x[x.length-1-i]; for(int i=0;i<x.length;i++)x[i] = r[i]; } public DoubleTriplet Line(double x1,double y1,double x2,double y2) { double a = y1-y2; double b = x2-x1; double c = x1*y2-x2*y1; return new DoubleTriplet(a,b,c); } public double putx(DoubleTriplet T,double x) { return -(T.a*x+T.c)/T.b; } public double puty(DoubleTriplet T,double y) { return -(T.b*y+T.c)/T.a; } public double Distance(DoublePair P,DoublePair Q) { return Math.sqrt((P.a-Q.a) * (P.a-Q.a) + (P.b-Q.b) * (P.b-Q.b)); } public double DistanceofPointandLine(DoublePair P,Triplet T) { return Math.abs(P.a*T.a+P.b*T.b+T.c) / Math.sqrt(T.a*T.a+T.b*T.b); } public boolean cross(long ax, long ay, long bx, long by, long cx, long cy, long dx, long dy) { long ta = (cx - dx) * (ay - cy) + (cy - dy) * (cx - ax); long tb = (cx - dx) * (by - cy) + (cy - dy) * (cx - bx); long tc = (ax - bx) * (cy - ay) + (ay - by) * (ax - cx); long td = (ax - bx) * (dy - ay) + (ay - by) * (ax - dx); return((tc>=0&&td<=0)||(tc<=0&&td>=0))&&((ta>=0&&tb<=0)||(ta<=0&&tb>=0)); } public boolean dcross(double ax, double ay, double bx, double by, double cx, double cy, double dx, double dy) { double ta = (cx - dx) * (ay - cy) + (cy - dy) * (cx - ax); double tb = (cx - dx) * (by - cy) + (cy - dy) * (cx - bx); double tc = (ax - bx) * (cy - ay) + (ay - by) * (ax - cx); double td = (ax - bx) * (dy - ay) + (ay - by) * (ax - dx); return((tc>=0&&td<=0)||(tc<=0&&td>=0))&&((ta>=0&&tb<=0)||(ta<=0&&tb>=0)); } void buildFac(){ fac = new long[10000003]; revfac = new long[10000003]; fac[0] = 1; for(int i=1;i<=10000002;i++){ fac[i] = (fac[i-1] * i)%mod; } revfac[10000002] = rev(fac[10000002])%mod; for(int i=10000001;i>=0;i--) { revfac[i] = (revfac[i+1] * (i+1))%mod; } isBuild = true; } void buildFacn(int n){ fac = new long[n+1]; revfac = new long[n+1]; fac[0] = 1; for(int i=1;i<=n;i++){ fac[i] = (fac[i-1] * i)%mod; } revfac[n] = rev(fac[n])%mod; for(int i=n-1;i>=0;i--) { revfac[i] = (revfac[i+1] * (i+1))%mod; } isBuild = true; } public long[] buildrui(int[] a) { int n = a.length; long[] ans = new long[n]; ans[0] = a[0]; for(int i=1;i<n;i++) { ans[i] = ans[i-1] + a[i]; } return ans; } public int[][] ibuildrui(int[][] a) { int n = a.length; int m = a[0].length; int[][] ans = new int[n][m]; for(int i=1;i<n;i++) { for(int j=1;j<m;j++) { ans[i][j] = a[i][j]; } } for(int i=1;i<n;i++) { for(int j=1;j<m;j++) { ans[i][j] += ans[i][j-1] + ans[i-1][j] - ans[i-1][j-1]; } } return ans; } public void buildruin(int[][] a) { int n = a.length; int m = a[0].length; for(int i=1;i<n;i++) { for(int j=1;j<m;j++) { a[i][j] += a[i][j-1] + a[i-1][j] - a[i-1][j-1]; } } } public long[][] buildrui(int[][] a) { int n = a.length; int m = a[0].length; long[][] ans = new long[n][m]; for(int i=1;i<n;i++) { for(int j=1;j<m;j++) { ans[i][j] = a[i][j]; } } for(int i=1;i<n;i++) { for(int j=1;j<m;j++) { ans[i][j] += ans[i][j-1] + ans[i-1][j] - ans[i-1][j-1]; } } return ans; } public int getrui(int[][] r,int a,int b,int c,int d) { return r[c][d] - r[a-1][d] - r[c][b-1] + r[a-1][b-1]; } public long getrui(long[][] r,int a,int b,int c,int d) { if(a<0||b<0||c>=r.length||d>=r[0].length) return mod; return r[c][d] - r[a-1][d] - r[c][b-1] + r[a-1][b-1]; } long divroundup(long n,long d) { if(n==0)return 0; return (n-1)/d+1; } public long sigma(long i) { return i*(i+1)/2; } public int digit(long i) { int ans = 1; while(i>=10) { i /= 10; ans++; } return ans; } public int digitsum(long n) { int ans = 0; while(n>0) { ans += n%10; n /= 10; } return ans; } public int popcount(int i) { int ans = 0; while(i>0) { ans += i%2; i /= 2; } return ans; } public boolean contains(int S,int i) {return (S>>i&1)==1;} public int bitremove(int S,int i) {return S&(~(1<<i));} public int bitadd(int S,int i) {return S|(1<<i);} public boolean isSubSet(int S,int T) {return (S-T)==(S^T);} public boolean isDisjoint(int S,int T) {return (S+T)==(S^T);} public boolean contains(long S,int i) {return (S>>i&1)==1;} public long bitremove(long S,int i) {return S&(~(1<<i));} public long bitadd(long S,int i) {return S|(1<<i);} public boolean isSubSet(long S,long T) {return (S-T)==(S^T);} public boolean isDisjoint(long S,long T) {return (S+T)==(S^T);} public int isBigger(int[] d, int i) { int ok = d.length; int ng = -1; while(Math.abs(ok-ng)>1) { int mid = (ok+ng)/2; if(d[mid]>i) { ok = mid; }else { ng = mid; } } return ok; } public int isSmaller(int[] d, int i) { int ok = -1; int ng = d.length; while(Math.abs(ok-ng)>1) { int mid = (ok+ng)/2; if(d[mid]<i) { ok = mid; }else { ng = mid; } } return ok; } public int isBigger(long[] d, long i) { int ok = d.length; int ng = -1; while(Math.abs(ok-ng)>1) { int mid = (ok+ng)/2; if(d[mid]>i) { ok = mid; }else { ng = mid; } } return ok; } public int isSmaller(long[] d, long i) { int ok = -1; int ng = d.length; while(Math.abs(ok-ng)>1) { int mid = (ok+ng)/2; if(d[mid]<i) { ok = mid; }else { ng = mid; } } return ok; } public int isBigger(ArrayList<Long> d, long i) { int ok = d.size(); int ng = -1; while(Math.abs(ok-ng)>1) { int mid = (ok+ng)/2; if(d.get(mid)>i) { ok = mid; }else { ng = mid; } } return ok; } public int isSmaller(ArrayList<Long> d, long i) { int ok = -1; int ng = d.size(); while(Math.abs(ok-ng)>1) { int mid = (ok+ng)/2; if(d.get(mid)<i) { ok = mid; }else { ng = mid; } } return ok; } public HashSet<Integer> primetable(int m) { HashSet<Integer> pt = new HashSet<Integer>(); for(int i=2;i<=m;i++) { boolean b = true; for(int d:pt) { if(i%d==0) { b = false; break; } } if(b) { pt.add(i); } } return pt; } public ArrayList<Integer> primetablearray(int m) { ArrayList<Integer> al = new ArrayList<Integer>(); Queue<Integer> q = new ArrayDeque<Integer>(); for(int i=2;i<=m;i++) { q.add(i); } boolean[] b = new boolean[m+1]; while(!q.isEmpty()) { int e = q.poll(); if(!b[e]) { al.add(e); for(int j=1;e*j<=1000000;j++) { b[e*j] = true; } } } return al; } public boolean isprime(int e) { if(e==1) return false; for(int i=2;i*i<=e;i++) { if(e%i==0) return false; } return true; } public MultiSet Factrization(int e) { MultiSet ret = new MultiSet(); for(int i=2;i*i<=e;i++) { while(e%i==0) { ret.add(i); e /= i; } } if(e!=1)ret.add(e); return ret; } public HashMap<Integer,Integer> hipPush(ArrayList<Integer> l){ HashMap<Integer,Integer> r = new HashMap<Integer,Integer>(); TreeSet<Integer> s = new TreeSet<Integer>(); for(int e:l)s.add(e); int p = 0; for(int e:s) { r.put(e,p); p++; } return r; } public TreeMap<Integer,Integer> thipPush(ArrayList<Integer> l){ TreeMap<Integer,Integer> r = new TreeMap<Integer,Integer>(); Collections.sort(l); int b = -(1000000007+9393); int p = 0; for(int e:l) { if(b!=e) { r.put(e,p); p++; } b=e; } return r; } int[] count(int[] a) { int[] c = new int[max(a)+1]; for(int i=0;i<a.length;i++) { c[a[i]]++; } return c; } long max(long[] a){ long M = Long.MIN_VALUE; for(int i=0;i<a.length;i++){ if(M<a[i]){ M =a[i]; maxdex = i; } } return M; } int max(int[] a){ int M = Integer.MIN_VALUE; for(int i=0;i<a.length;i++){ if(M<a[i]){ M =a[i]; maxdex = i; } } return M; } long min(long[] a){ long m = Long.MAX_VALUE; for(int i=0;i<a.length;i++){ if(m>a[i]){ m =a[i]; mindex = i; } } return m; } int min(int[] a){ int m = Integer.MAX_VALUE; for(int i=0;i<a.length;i++){ if(m>a[i]){ m =a[i]; mindex = i; } } return m; } long sum(long[] a){ long s = 0; for(int i=0;i<a.length;i++)s += a[i]; return s; } long sum(int[] a){ long s = 0; for(int i=0;i<a.length;i++)s += a[i]; return s; } long gcd(long a, long b){ a = Math.abs(a); b = Math.abs(b); if(a==0)return b; if(b==0)return a; if(a%b==0) return b; else return gcd(b,a%b); } int igcd(int a, int b) { if(a%b==0) return b; else return igcd(b,a%b); } long lcm(long a, long b) {return a / gcd(a,b) * b;} public long perm(int a,int num) { if(!isBuild)buildFac(); return fac[a]*(rev(fac[a-num]))%mod; } void buildComb(int N) { comb = new long[N+1][N+1]; comb[0][0] = 1; for(int i=1;i<=N;i++) { comb[i][0] = 1; for(int j=1;j<N;j++) { comb[i][j] = comb[i-1][j-1]+comb[i-1][j]; if(comb[i][j]>mod)comb[i][j]-=mod; } comb[i][i] = 1; } } public long comb(int a,int num){ if(a-num<0)return 0; if(num<0)return 0; if(!isBuild)buildFac(); return fac[a] * ((revfac[num]*revfac[a-num])%mod)%mod; } long mulchoose(int n,int k) { if(k==0) return 1; return comb(n+k-1,k); } long rev(long l) {return pow(l,mod-2);} void buildpow(int l,int i) { pow = new long[i+1]; pow[0] = 1; for(int j=1;j<=i;j++) { pow[j] = pow[j-1]*l; if(pow[j]>mod)pow[j] %= mod; } } void buildrevpow(int l,int i) { revpow = new long[i+1]; revpow[0] = 1; for(int j=1;j<=i;j++) { revpow[j] = revpow[j-1]*l; if(revpow[j]>mod) revpow[j] %= mod; } } long pow(long l, long i) { if(i==0)return 1; else{ if(i%2==0){ long val = pow(l,i/2); return val * val % mod; } else return pow(l,i-1) * l % mod; } } long mon(int i) { long ans = 0; for(int k=2;k<=i;k++) { ans += (k%2==0?1:-1) * revfac[k]; ans += mod; } ans %= mod; ans *= fac[i]; return ans%mod; } long dictnum(int[] A) { int N = A.length; long ans = 0; BinaryIndexedTree bit = new BinaryIndexedTree(N+1); buildFacn(N); for(int i=1;i<=N;i++) { bit.add(i,1); } for(int i=1;i<=N;i++) { int a = A[i-1]; ans += bit.sum(a-1) * fac[N-i] % mod; bit.add(a,-1); } return (ans+1)%mod; } }