結果
問題 | No.816 Beautiful tuples |
ユーザー | Suunn |
提出日時 | 2019-04-19 23:25:15 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 15,504 bytes |
コンパイル時間 | 3,176 ms |
コンパイル使用メモリ | 92,732 KB |
実行使用メモリ | 56,384 KB |
最終ジャッジ日時 | 2024-09-23 05:15:40 |
合計ジャッジ時間 | 4,825 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | WA | - |
testcase_01 | AC | 56 ms
56,232 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | AC | 54 ms
56,208 KB |
testcase_08 | AC | 55 ms
56,156 KB |
testcase_09 | AC | 56 ms
56,244 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | AC | 56 ms
56,036 KB |
testcase_13 | AC | 55 ms
56,120 KB |
testcase_14 | AC | 55 ms
56,352 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.Comparator; import java.util.HashSet; import java.util.NoSuchElementException; import java.util.Objects; import java.util.PriorityQueue; import java.util.TreeSet; import java.util.function.BiFunction; public class Main{ public static void main(String[] args){ FastScanner sc = new FastScanner(); Mathplus mp = new Mathplus(); PrintWriter out = new PrintWriter(System.out); int min = 2000000001; int A = sc.nextInt(); int B = sc.nextInt(); for(int i=2;i*i<=(A+B);i++) { if((A+B)%i==0) { int D = (A+B)%i; if(isOK(A,B,i)) min=Math.min(min, i); if(isOK(A,B,D)) min=Math.min(min, D); } } System.out.println(min==2000000001?-1:min); } private static boolean isOK(int a, int b, int i) { return (a+i)%b==0&&(b+i)%a==0; } } 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 UnionFindTree { int[] root; int[] rank; int[] size; UnionFindTree(int N){ root = new int[N]; rank = new int[N]; size = new int[N]; for(int i=0;i<N;i++){ root[i] = i; size[i] = 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){ return; }else{ if(rank[x]<rank[y]){ root[x] = y; size[y] += size[x]; }else{ root[y] = x; size[x] += size[y]; if(rank[x]==rank[y]){ rank[x]++; } } } } 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>(); } } 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){ int size = a.length; for(int i=0;i<size;i++){ list[a[i]].add(new Edge(b[i],1)); } } void addWeighterEdges(int[] a ,int[] b ,int[] c){ int size = a.length; for(int i=0;i<size;i++){ list[a[i]].add(new Edge(b[i],c[1])); } } 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[] dijkstra(int s){ long[] L = new long[size]; for(int i=0;i<size;i++){ L[i] = -1; } int[] visited = new int[size]; L[s] = 0; PriorityQueue<Pair> Q = new PriorityQueue<Pair>(new SampleComparator()); Q.add(new Pair(0,s)); while(!Q.isEmpty()){ Pair C = Q.poll(); if(visited[(int)C.b]==0){ L[(int)C.b] = C.a; visited[(int) C.b] = 1; for(Edge D:list[(int) C.b]){ Q.add(new Pair(L[(int)C.b]+D.cost,D.to)); } } } return L; } long[] maxtra(int s,long l){ long[] L = new long[size]; for(int i=0;i<size;i++){ L[i] = -1; } int[] visited = 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(visited[(int)C.b]==0){ L[(int)C.b] = C.a; visited[(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 Kruskal(){ long ans = 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)){ ans += e.L; UF.unite(e.a,e.b); } } } return ans; } 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; } Graph dfsTree(int i) { int[] used = new int[size]; Graph r = new Graph(size); dfsTree(i,used,r); return r; } private void dfsTree(int i, int[] used, Graph r) { used[i] = 1; for(Edge e:list[i]) { if(used[e.to]==0) { r.list[i].add(e); used[e.to] = 1; dfsTree(i,used,r); } } } } class Tree extends Graph{ public Tree(int N) { super(N); } long[] tyokkei(){ long[] a = bfs(0); System.out.println(); int maxdex = -1; long max = 0; for(int i=0;i<size;i++){ if(max<a[i]){ max = a[i]; maxdex = i; } } long[] b = bfs(maxdex); System.out.println(); int maxdex2 = -1; long max2 = 0; for(int i=0;i<size;i++){ if(max2<b[i]){ max2 = b[i]; maxdex2 = i; } } long[] ans = {max2,maxdex,maxdex2}; return ans; } } class LinkEdge{ long L; int a ; int b; LinkEdge(long l,int A,int B){ L = l; a = A; b = B; } public boolean equals(Object o){ LinkEdge O = (LinkEdge) o; if(O.a==this.a&&O.b==this.b&&O.L==this.L){ return true; }else{ return false; } } public int hashCode(){ return Objects.hash(L,a,b); } } class Edge{ int to; long cost; Edge(int a,long b){ to = a; cost = b; } } class LinkEdgeComparator implements Comparator<LinkEdge>{ public int compare(LinkEdge P, LinkEdge Q) { long temp = P.L-Q.L; if(temp==0){ if(P.a>Q.a){ return 1; }else{ if(P.b>Q.b){ return 1; }else{ return -1; } } } if(temp>=0){ return 1; }else{ return -1; } } } 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; if(O.a==this.a&&O.b==this.b){ return true; }else{ return false; } } public int hashCode(){ return Objects.hash(a,b); } } class SampleComparator implements Comparator<Pair>{ public int compare(Pair P, Pair Q) { long temp = P.a-Q.a; if(temp==0){ if(P.b>Q.b){ return 1; }else{ return -1; } } if(temp>=0){ return 1; }else{ return -1; } } } class LongIntPair{ long a; int b; LongIntPair(long p,int q){ this.a = p; this.b = q; } public boolean equals(Object o){ Pair O = (Pair) o; if(O.a==this.a&&O.b==this.b){ return true; }else{ return false; } } public int hashCode(){ return Objects.hash(a,b); } } class LongIntSampleComparator implements Comparator<LongIntPair>{ public int compare(LongIntPair P, LongIntPair Q) { long temp = P.a-Q.a; if(temp==0){ if(P.b>Q.b){ return 1; }else{ return -1; } } if(temp>=0){ return 1; }else{ return -1; } } } class FastScanner { private final java.io.InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return (minus ? -n : n); }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return (int) (minus ? -n : n); }else{ throw new NumberFormatException(); } b = readByte(); } } } class Mathplus{ int mod = 1000000007; long[] fac = new long[1000001]; boolean isBuild = false; int mindex = -1; int maxdex = -1; void buildFac(){ fac[0] = 1; for(int i=1;i<=1000000;i++){ fac[i] = (fac[i-1] * i)%mod; } isBuild = true; } 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 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; } long max(long[] a){ long max = 0; for(int i=0;i<a.length;i++){ if(max<a[i]){ max =a[i]; maxdex = i; } } return max; } int max(int[] a){ int max = 0; for(int i=0;i<a.length;i++){ if(max<a[i]){ max =a[i]; maxdex = i; } } return max; } long min(long[] a){ long min = Long.MAX_VALUE; for(int i=0;i<a.length;i++){ if(min>a[i]){ min =a[i]; mindex = i; } } return min; } int min(int[] a){ int min = Integer.MAX_VALUE; for(int i=0;i<a.length;i++){ if(min>a[i]){ min =a[i]; mindex = i; } } return min; } long sum(long[] a){ long sum = 0; for(int i=0;i<a.length;i++){ sum += a[i]; } return sum; } long sum(int[] a){ long sum = 0; for(int i=0;i<a.length;i++){ sum += a[i]; } return sum; } long gcd(long a, long b){ if(a<b){ a^=b; b^=a; a^=b; } if(a%b==0){ return b; }else{ return gcd(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; } public long comb(int a,int num){ if(!isBuild){ buildFac(); } return fac[a] * (rev(fac[num])*rev(fac[a-num])%mod)%mod; } long rev(long l) { return pow(l,mod-2); } long pow(long l, int 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; } } } }