結果
| 問題 | No.1888 Odd Insertion |
| ユーザー |
 uwi
|
| 提出日時 | 2022-03-25 23:41:46 |
| 言語 | Java21 (openjdk 21) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 19,093 bytes |
| コンパイル時間 | 5,474 ms |
| コンパイル使用メモリ | 94,380 KB |
| 実行使用メモリ | 90,732 KB |
| 最終ジャッジ日時 | 2024-04-22 08:45:30 |
| 合計ジャッジ時間 | 24,873 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge2 |
（要ログイン）
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 | 104 ms
40,184 KB |
| testcase_01 | AC | 92 ms
38,464 KB |
| testcase_02 | AC | 105 ms
40,384 KB |
| testcase_03 | AC | 115 ms
40,096 KB |
| testcase_04 | AC | 108 ms
40,460 KB |
| testcase_05 | AC | 113 ms
40,196 KB |
| testcase_06 | AC | 322 ms
55,816 KB |
| testcase_07 | AC | 321 ms
55,964 KB |
| testcase_08 | WA | - |
| testcase_09 | WA | - |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | WA | - |
| testcase_14 | WA | - |
| testcase_15 | WA | - |
| testcase_16 | AC | 324 ms
55,628 KB |
| testcase_17 | WA | - |
| testcase_18 | AC | 322 ms
55,968 KB |
| testcase_19 | AC | 320 ms
55,488 KB |
| testcase_20 | AC | 319 ms
55,960 KB |
| testcase_21 | AC | 293 ms
54,892 KB |
| testcase_22 | AC | 314 ms
55,552 KB |
| testcase_23 | AC | 292 ms
54,840 KB |
| testcase_24 | AC | 292 ms
54,928 KB |
| testcase_25 | AC | 315 ms
55,756 KB |
| testcase_26 | AC | 888 ms
88,964 KB |
| testcase_27 | AC | 606 ms
79,344 KB |
| testcase_28 | AC | 615 ms
79,424 KB |
| testcase_29 | WA | - |
| testcase_30 | AC | 257 ms
54,960 KB |
| testcase_31 | AC | 258 ms
55,072 KB |
| testcase_32 | WA | - |
| testcase_33 | AC | 708 ms
81,772 KB |
| testcase_34 | AC | 714 ms
82,068 KB |
| testcase_35 | WA | - |
| testcase_36 | WA | - |
| testcase_37 | WA | - |
| testcase_38 | WA | - |
ソースコード
package contest220325;
import java.io.*;
import java.util.*;
import java.util.function.Consumer;
import java.util.function.IntUnaryOperator;
import java.util.function.LongUnaryOperator;
public class F {
InputStream is;
FastWriter out;
String INPUT = "";
public void solve()
{
int n = ni();
int[] a = na(n);
int[] parity = new int[n+1];
int[] ft = new int[n+5];
for(int i = 0;i < n;i++){
parity[a[i]] = sumFenwick(ft, a[i]) % 2;
addFenwick(ft, a[i], 1);
}
Node[] nodes = new Node[n+1];
Node root = null;
for(int i = 0;i < n;i++){
nodes[a[i]] = new Node(parity[a[i]], a[i]);
root = merge(root, nodes[a[i]]);
}
Deque<String> route = new ArrayDeque<>();
for(int i = n;i >= 1;i--){
Node tar = nodes[i];
int ind = index(tar);
root = delete(root, ind);
if(ind % 2 == 1){
if(sum(root) == size(root)){
out.println("No");
return;
}
int[] res = {0};
root = operate(root, ind, size(root), x -> res[0] = (int)sum(x));
if(res[0] != size(root) - ind){
out.println("No");
return;
}
Node lazy = null;
Node cur = root;
while(cur != null){
if(sum(cur.R) < size(cur.R)){
cur = cur.R;
}else if(cur.v == 0){
lazy = cur;
break;
}else{
cur = cur.L;
}
}
assert lazy != null;
if(index(lazy) % 2 != 0){
out.println("No");
return;
}
int pos = index(lazy);
root = delete(root, pos);
route.addFirst("" + lazy.id + " " + (pos+1));
route.addFirst("" + i + " " + (ind));
i--;
while(i > lazy.id){
ind = index(nodes[i]);
root = delete(root, ind);
route.addFirst("" + i + " " + (ind+1));
i--;
}
}else{
route.addFirst("" + i + " " + (ind+1));
}
}
out.println("Yes");
for(String r : route){
out.println(r);
}
}
public static Random gen = new Random();
public static final int mod = 998244353;
static public class Node
{
public long priority;
public Node L, R, P;
int id;
public long v; // value
public long sum;
public int size;
public Node(int v, int id)
{
this.v = v;
this.id = id;
priority = gen.nextLong();
update();
}
public void update()
{
size = size(L) + size(R) + 1;
sum = v + sum(L) + sum(R);
// TODO
}
@Override
public String toString() {
return "Node{" +
"v=" + v +
", sum=" + sum +
", size=" + size +
'}';
}
}
public static void propagate(Node x)
{
for(;x != null;x = x.P)x.update();
}
public static Node disconnect(Node a)
{
if(a == null)return null;
a.L = a.R = a.P = null;
a.update();
return a;
}
public static int size(Node x){ return x == null ? 0 : x.size;}
public static long sum(Node x){ return x == null ? 0 : x.sum;}
public static void setParent(Node a, Node par)
{
if(a != null)a.P = par;
}
public static Node merge(Node a, Node b, Node... c)
{
Node x = merge(a, b);
for(Node n : c)x = merge(x, n);
return x;
}
public static Node merge(Node a, Node b)
{
if(b == null)return a;
if(a == null)return b;
if(a.priority > b.priority){
setParent(a.R, null);
setParent(b, null);
a.R = merge(a.R, b);
setParent(a.R, a);
a.update();
return a;
}else{
setParent(a, null);
setParent(b.L, null);
b.L = merge(a, b.L);
setParent(b.L, b);
b.update();
return b;
}
}
public static Node[] split(Node x)
{
if(x == null)return new Node[]{null, null};
if(x.L != null)x.L.P = null;
Node[] sp = new Node[]{x.L, x};
x.L = null;
x.update();
while(x.P != null){
Node p = x.P;
x.P = null;
if(x == p.L){
p.L = sp[1];
if(sp[1] != null)sp[1].P = p;
sp[1] = p;
}else{
p.R = sp[0];
if(sp[0] != null)sp[0].P = p;
sp[0] = p;
}
p.update();
x = p;
}
return sp;
}
// [0,K),[K,N)
public static Node[] split(Node a, int K)
{
if(a == null)return new Node[]{null, null};
if(K <= size(a.L)){
setParent(a.L, null);
Node[] s = split(a.L, K);
a.L = s[1];
setParent(a.L, a);
a.update();
s[1] = a;
return s;
}else{
setParent(a.R, null);
Node[] s = split(a.R, K- size(a.L)-1);
a.R = s[0];
setParent(a.R, a);
a.update();
s[0] = a;
return s;
}
}
public static Node insertb(Node root, Node x)
{
assert x != null;
int ind = lowerBound(root, x.v);
return insert(root, ind, x);
}
public static Node insert(Node root, int K, Node x)
{
assert K >= 0;
assert K <= size(root);
assert size(x) == 1;
Node[] sp = split(root, K);
return merge(sp[0], x, sp[1]);
}
public static Node delete(Node root, int K)
{
assert K >= 0;
assert K < size(root);
Node[] lm_r = split(root, K+1);
Node[] l_m = split(lm_r[0], K);
return merge(l_m[0], lm_r[1]);
}
public static Node get(Node a, int K)
{
assert K >= 0;
assert K < size(a);
while(a != null){
if(K < size(a.L)){
a = a.L;
}else if(K == size(a.L)){
break;
}else{
K = K - size(a.L)-1;
a = a.R;
}
}
return a;
}
public static int index(Node a)
{
assert a != null;
int ind = size(a.L);
while(a != null){
Node par = a.P;
if(par != null && par.R == a){
ind += size(par.L) + 1;
}
a = par;
}
return ind;
}
public static Node mergeTechnically(Node x, Node y)
{
if(size(x) > size(y)){
Node d = x; x = y; y = d;
}
// |x|<=|y|
for(Node cur : nodesdfs(x))y = insertb(y, disconnect(cur));
return y;
}
public static int lowerBound(Node a, long q)
{
int lcount = 0;
while(a != null){
if(a.v >= q){
a = a.L;
}else{
lcount += size(a.L) + 1;
a = a.R;
}
}
return lcount;
}
public static Node next(Node x)
{
if(x == null)return null;
if(x.R != null){
x = x.R;
while(x.L != null)x = x.L;
return x;
}else{
while(true){
Node p = x.P;
if(p == null)return null;
if(p.L == x)return p;
x = p;
}
}
}
public static Node prev(Node x)
{
if(x == null)return null;
if(x.L != null){
x = x.L;
while(x.R != null)x = x.R;
return x;
}else{
while(true){
Node p = x.P;
if(p == null)return null;
if(p.R == x)return p;
x = p;
}
}
}
public static Node build(Node[] a){return build(a, 0, a.length);}
public static Node build(Node[] a, int l, int r)
{
if(l >= r)return null;
int h = l+r>>1;
Node root = a[h];
Node L = build(a, l, h);
root.L = L;
if(L != null)L.P = root;
Node R = build(a, h+1, r);
root.R = R;
if(R != null)R.P = root;
root.update();
return root;
}
public static Node[] nodes(Node a) { return nodes(a, new Node[size(a)], 0, size(a)); }
public static Node[] nodes(Node a, Node[] ns, int L, int R)
{
if(a == null)return ns;
nodes(a.L, ns, L, L+ size(a.L));
ns[L+ size(a.L)] = a;
nodes(a.R, ns, R- size(a.R), R);
return ns;
}
// faster than nodes but inconsistent
public static Node[] nodesdfs(Node a) { return nodesdfs(a, new Node[a.size], new int[]{0}); }
public static Node[] nodesdfs(Node a, Node[] ns, int[] pos)
{
if(a == null)return ns;
ns[pos[0]++] = a;
nodesdfs(a.L, ns, pos);
nodesdfs(a.R, ns, pos);
return ns;
}
public static String toString(Node a, String indent)
{
if(a == null)return "";
return toString(a.L, indent + " ") +
indent + a + "\n" +
toString(a.R, indent + " ");
}
public static Node operate(Node root, int l, int r, Consumer<Node> o)
{
Node[] lm_r = split(root, r);
Node[] l_m = split(lm_r[0], l);
o.accept(l_m[1]);
if(l_m[1] != null)l_m[1].update();
return merge(l_m[0], l_m[1], lm_r[1]);
}
public static int sumFenwick(int[] ft, int i)
{
int sum = 0;
for(i++;i > 0;i -= i&-i)sum += ft[i];
return sum;
}
public static void addFenwick(int[] ft, int i, int v)
{
if(v == 0 || i < 0)return;
int n = ft.length;
for(i++;i < n;i += i&-i)ft[i] += v;
}
public static int firstGEFenwick(int[] ft, int v)
{
int i = 0, n = ft.length;
for(int b = Integer.highestOneBit(n);b != 0;b >>= 1){
if((i|b) < n && ft[i|b] < v){
i |= b;
v -= ft[i];
}
}
return i;
}
public static void main(String[] args) {
new F().run();
}
public void run()
{
long S = System.currentTimeMillis();
is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
out = new FastWriter(System.out);
solve();
out.flush();
long G = System.currentTimeMillis();
tr(G-S+"ms");
// Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
// @Override
// public void run() {
// long s = System.currentTimeMillis();
// solve();
// out.flush();
// if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
// }
// };
// t.start();
// t.join();
}
private boolean eof()
{
if(lenbuf == -1)return true;
int lptr = ptrbuf;
while(lptr < lenbuf)if(!isSpaceChar(inbuf[lptr++]))return false;
try {
is.mark(1000);
while(true){
int b = is.read();
if(b == -1){
is.reset();
return true;
}else if(!isSpaceChar(b)){
is.reset();
return false;
}
}
} catch (IOException e) {
return true;
}
}
private final byte[] inbuf = new byte[1024];
public int lenbuf = 0, ptrbuf = 0;
private int readByte()
{
if(lenbuf == -1)throw new InputMismatchException();
if(ptrbuf >= lenbuf){
ptrbuf = 0;
try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
if(lenbuf <= 0)return -1;
}
return inbuf[ptrbuf++];
}
private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
// private boolean isSpaceChar(int c) { return !(c >= 32 && c <= 126); }
private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
private double nd() { return Double.parseDouble(ns()); }
private char nc() { return (char)skip(); }
private String ns()
{
int b = skip();
StringBuilder sb = new StringBuilder();
while(!(isSpaceChar(b))){
sb.appendCodePoint(b);
b = readByte();
}
return sb.toString();
}
private char[] ns(int n)
{
char[] buf = new char[n];
int b = skip(), p = 0;
while(p < n && !(isSpaceChar(b))){
buf[p++] = (char)b;
b = readByte();
}
return n == p ? buf : Arrays.copyOf(buf, p);
}
private char[][] nm(int n, int m)
{
char[][] map = new char[n][];
for(int i = 0;i < n;i++)map[i] = ns(m);
return map;
}
private int[] na(int n)
{
int[] a = new int[n];
for(int i = 0;i < n;i++)a[i] = ni();
return a;
}
private long[] nal(int n)
{
long[] a = new long[n];
for(int i = 0;i < n;i++)a[i] = nl();
return a;
}
private int ni()
{
int num = 0, b;
boolean minus = false;
while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
if(b == '-'){
minus = true;
b = readByte();
}
while(true){
if(b >= '0' && b <= '9'){
num = num * 10 + (b - '0');
}else{
return minus ? -num : num;
}
b = readByte();
}
}
private long nl()
{
long num = 0;
int b;
boolean minus = false;
while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
if(b == '-'){
minus = true;
b = readByte();
}
while(true){
if(b >= '0' && b <= '9'){
num = num * 10 + (b - '0');
}else{
return minus ? -num : num;
}
b = readByte();
}
}
public static class FastWriter
{
private static final int BUF_SIZE = 1<<13;
private final byte[] buf = new byte[BUF_SIZE];
private final OutputStream out;
private int ptr = 0;
private FastWriter(){out = null;}
public FastWriter(OutputStream os)
{
this.out = os;
}
public FastWriter(String path)
{
try {
this.out = new FileOutputStream(path);
} catch (FileNotFoundException e) {
throw new RuntimeException("FastWriter");
}
}
public FastWriter write(byte b)
{
buf[ptr++] = b;
if(ptr == BUF_SIZE)innerflush();
return this;
}
public FastWriter write(char c)
{
return write((byte)c);
}
public FastWriter write(char[] s)
{
for(char c : s){
buf[ptr++] = (byte)c;
if(ptr == BUF_SIZE)innerflush();
}
return this;
}
public FastWriter write(String s)
{
s.chars().forEach(c -> {
buf[ptr++] = (byte)c;
if(ptr == BUF_SIZE)innerflush();
});
return this;
}
private static int countDigits(int l) {
if (l >= 1000000000) return 10;
if (l >= 100000000) return 9;
if (l >= 10000000) return 8;
if (l >= 1000000) return 7;
if (l >= 100000) return 6;
if (l >= 10000) return 5;
if (l >= 1000) return 4;
if (l >= 100) return 3;
if (l >= 10) return 2;
return 1;
}
public FastWriter write(int x)
{
if(x == Integer.MIN_VALUE){
return write((long)x);
}
if(ptr + 12 >= BUF_SIZE)innerflush();
if(x < 0){
write((byte)'-');
x = -x;
}
int d = countDigits(x);
for(int i = ptr + d - 1;i >= ptr;i--){
buf[i] = (byte)('0'+x%10);
x /= 10;
}
ptr += d;
return this;
}
private static int countDigits(long l) {
if (l >= 1000000000000000000L) return 19;
if (l >= 100000000000000000L) return 18;
if (l >= 10000000000000000L) return 17;
if (l >= 1000000000000000L) return 16;
if (l >= 100000000000000L) return 15;
if (l >= 10000000000000L) return 14;
if (l >= 1000000000000L) return 13;
if (l >= 100000000000L) return 12;
if (l >= 10000000000L) return 11;
if (l >= 1000000000L) return 10;
if (l >= 100000000L) return 9;
if (l >= 10000000L) return 8;
if (l >= 1000000L) return 7;
if (l >= 100000L) return 6;
if (l >= 10000L) return 5;
if (l >= 1000L) return 4;
if (l >= 100L) return 3;
if (l >= 10L) return 2;
return 1;
}
public FastWriter write(long x)
{
if(x == Long.MIN_VALUE){
return write("" + x);
}
if(ptr + 21 >= BUF_SIZE)innerflush();
if(x < 0){
write((byte)'-');
x = -x;
}
int d = countDigits(x);
for(int i = ptr + d - 1;i >= ptr;i--){
buf[i] = (byte)('0'+x%10);
x /= 10;
}
ptr += d;
return this;
}
public FastWriter write(double x, int precision)
{
if(x < 0){
write('-');
x = -x;
}
x += Math.pow(10, -precision)/2;
// if(x < 0){ x = 0; }
write((long)x).write(".");
x -= (long)x;
for(int i = 0;i < precision;i++){
x *= 10;
write((char)('0'+(int)x));
x -= (int)x;
}
return this;
}
public FastWriter writeln(char c){ return write(c).writeln(); }
public FastWriter writeln(int x){ return write(x).writeln(); }
public FastWriter writeln(long x){ return write(x).writeln(); }
public FastWriter writeln(double x, int precision){ return write(x, precision).writeln(); }
public FastWriter write(int... xs)
{
boolean first = true;
for(int x : xs) {
if (!first) write(' ');
first = false;
write(x);
}
return this;
}
public FastWriter write(long... xs)
{
boolean first = true;
for(long x : xs) {
if (!first) write(' ');
first = false;
write(x);
}
return this;
}
public FastWriter write(IntUnaryOperator f, int... xs)
{
boolean first = true;
for(int x : xs) {
if (!first) write(' ');
first = false;
write(f.applyAsInt(x));
}
return this;
}
public FastWriter write(LongUnaryOperator f, long... xs)
{
boolean first = true;
for(long x : xs) {
if (!first) write(' ');
first = false;
write(f.applyAsLong(x));
}
return this;
}
public FastWriter writeln()
{
return write((byte)'\n');
}
public FastWriter writeln(int... xs) { return write(xs).writeln(); }
public FastWriter writeln(long... xs) { return write(xs).writeln(); }
public FastWriter writeln(IntUnaryOperator f, int... xs) { return write(f, xs).writeln(); }
public FastWriter writeln(LongUnaryOperator f, long... xs) { return write(f, xs).writeln(); }
public FastWriter writeln(char[] line) { return write(line).writeln(); }
public FastWriter writeln(char[]... map) { for(char[] line : map)write(line).writeln();return this; }
public FastWriter writeln(String s) { return write(s).writeln(); }
private void innerflush()
{
try {
out.write(buf, 0, ptr);
ptr = 0;
} catch (IOException e) {
throw new RuntimeException("innerflush");
}
}
public void flush()
{
innerflush();
try {
out.flush();
} catch (IOException e) {
throw new RuntimeException("flush");
}
}
public FastWriter print(byte b) { return write(b); }
public FastWriter print(char c) { return write(c); }
public FastWriter print(char[] s) { return write(s); }
public FastWriter print(String s) { return write(s); }
public FastWriter print(int x) { return write(x); }
public FastWriter print(long x) { return write(x); }
public FastWriter print(double x, int precision) { return write(x, precision); }
public FastWriter println(char c){ return writeln(c); }
public FastWriter println(int x){ return writeln(x); }
public FastWriter println(long x){ return writeln(x); }
public FastWriter println(double x, int precision){ return writeln(x, precision); }
public FastWriter print(int... xs) { return write(xs); }
public FastWriter print(long... xs) { return write(xs); }
public FastWriter print(IntUnaryOperator f, int... xs) { return write(f, xs); }
public FastWriter print(LongUnaryOperator f, long... xs) { return write(f, xs); }
public FastWriter println(int... xs) { return writeln(xs); }
public FastWriter println(long... xs) { return writeln(xs); }
public FastWriter println(IntUnaryOperator f, int... xs) { return writeln(f, xs); }
public FastWriter println(LongUnaryOperator f, long... xs) { return writeln(f, xs); }
public FastWriter println(char[] line) { return writeln(line); }
public FastWriter println(char[]... map) { return writeln(map); }
public FastWriter println(String s) { return writeln(s); }
public FastWriter println() { return writeln(); }
}
public static void trnz(int... o)
{
for(int i = 0;i < o.length;i++)if(o[i] != 0)System.out.print(i+":"+o[i]+" ");
System.out.println();
}
// print ids which are 1
public static void trt(long... o)
{
Queue<Integer> stands = new ArrayDeque<>();
for(int i = 0;i < o.length;i++){
for(long x = o[i];x != 0;x &= x-1)stands.add(i<<6|Long.numberOfTrailingZeros(x));
}
System.out.println(stands);
}
public static void tf(boolean... r)
{
for(boolean x : r)System.out.print(x?'#':'.');
System.out.println();
}
public static void tf(boolean[]... b)
{
for(boolean[] r : b) {
for(boolean x : r)System.out.print(x?'#':'.');
System.out.println();
}
System.out.println();
}
public void tf(long[]... b)
{
if(INPUT.length() != 0) {
for (long[] r : b) {
for (long x : r) {
for (int i = 0; i < 64; i++) {
System.out.print(x << ~i < 0 ? '#' : '.');
}
}
System.out.println();
}
System.out.println();
}
}
public void tf(long... b)
{
if(INPUT.length() != 0) {
for (long x : b) {
for (int i = 0; i < 64; i++) {
System.out.print(x << ~i < 0 ? '#' : '.');
}
}
System.out.println();
}
}
private void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); }
}