結果
問題 | No.1051 PQ Permutation |
ユーザー | 37zigen |
提出日時 | 2020-05-09 16:16:04 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,612 ms / 2,000 ms |
コード長 | 4,309 bytes |
コンパイル時間 | 2,671 ms |
コンパイル使用メモリ | 82,792 KB |
実行使用メモリ | 68,732 KB |
最終ジャッジ日時 | 2024-07-05 20:51:59 |
合計ジャッジ時間 | 27,503 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 96 ms
40,772 KB |
testcase_01 | AC | 94 ms
38,808 KB |
testcase_02 | AC | 68 ms
38,116 KB |
testcase_03 | AC | 97 ms
39,364 KB |
testcase_04 | AC | 95 ms
38,808 KB |
testcase_05 | AC | 97 ms
39,276 KB |
testcase_06 | AC | 95 ms
39,032 KB |
testcase_07 | AC | 76 ms
38,432 KB |
testcase_08 | AC | 96 ms
39,364 KB |
testcase_09 | AC | 67 ms
37,956 KB |
testcase_10 | AC | 96 ms
38,852 KB |
testcase_11 | AC | 95 ms
39,224 KB |
testcase_12 | AC | 91 ms
38,816 KB |
testcase_13 | AC | 93 ms
38,816 KB |
testcase_14 | AC | 96 ms
38,812 KB |
testcase_15 | AC | 1,612 ms
68,568 KB |
testcase_16 | AC | 1,268 ms
62,736 KB |
testcase_17 | AC | 792 ms
52,800 KB |
testcase_18 | AC | 813 ms
50,732 KB |
testcase_19 | AC | 785 ms
50,868 KB |
testcase_20 | AC | 1,236 ms
60,944 KB |
testcase_21 | AC | 1,108 ms
61,204 KB |
testcase_22 | AC | 891 ms
53,116 KB |
testcase_23 | AC | 1,319 ms
60,748 KB |
testcase_24 | AC | 1,266 ms
58,684 KB |
testcase_25 | AC | 381 ms
44,716 KB |
testcase_26 | AC | 302 ms
45,636 KB |
testcase_27 | AC | 165 ms
40,660 KB |
testcase_28 | AC | 393 ms
50,804 KB |
testcase_29 | AC | 298 ms
46,448 KB |
testcase_30 | AC | 386 ms
50,324 KB |
testcase_31 | AC | 199 ms
41,280 KB |
testcase_32 | AC | 368 ms
50,192 KB |
testcase_33 | AC | 178 ms
40,180 KB |
testcase_34 | AC | 170 ms
40,244 KB |
testcase_35 | AC | 736 ms
58,812 KB |
testcase_36 | AC | 782 ms
59,224 KB |
testcase_37 | AC | 140 ms
40,900 KB |
testcase_38 | AC | 1,119 ms
68,732 KB |
testcase_39 | AC | 417 ms
57,848 KB |
testcase_40 | AC | 827 ms
50,236 KB |
testcase_41 | AC | 964 ms
60,128 KB |
testcase_42 | AC | 100 ms
38,964 KB |
testcase_43 | AC | 96 ms
38,776 KB |
testcase_44 | AC | 95 ms
38,852 KB |
testcase_45 | AC | 95 ms
38,808 KB |
testcase_46 | AC | 97 ms
39,224 KB |
testcase_47 | AC | 65 ms
37,912 KB |
testcase_48 | AC | 398 ms
56,584 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.Arrays; import java.util.NoSuchElementException; import java.util.TreeSet; public class Main{ public static void main(String[] args) { new Main().solve(); } void gen() { int N=200000; int P=1; int Q=N; int[] a=new int[N]; for (int i=0;i<N-2;++i) { a[i]=N-1-i; } a[N-2]=N; a[N-1]=1; System.out.println(N+" "+P+" "+Q); for (int i=0;i<N;++i) { System.out.print(a[i]+(i==N-1?"\n":" ")); } } boolean check(int[] A,int P,int Q) { return find(A, P) < find(A, Q); } void yes(int[] A) { for (int i=0;i<A.length;++i) { System.out.print(A[i]+(i==A.length-1?"\n":" ")); } System.exit(0); } void no() { System.out.println(-1); System.exit(0); } int find(int[] A,int key) { for (int i=A.length-1;i>=0;--i) if (A[i]==key) return i; throw new AssertionError(); } void solve() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); int P=sc.nextInt(); int Q=sc.nextInt(); int[] A=new int[N]; for (int i=0;i<N;++i) A[i]=sc.nextInt(); if (!nextPermutation(A)) no(); if (check(A, P, Q)) yes(A); while (true) { TreeSet<Integer> ts=new TreeSet<>(); int max=0; int iq=find(A, Q); for (int i=N-1;i>=iq;--i) { ts.add(A[i]); max=Math.max(max, A[i]); } if (max==Q) { while (iq>=0 && (ts.ceiling(A[iq]+1)==null || ts.ceiling(A[iq]+1)==Q)) { --iq; if (iq>=0) ts.add(A[iq]); } } Arrays.sort(A, iq+1, N); { int s=iq+1; int t=N-1; while (s<t) { A[s]^=A[t];A[t]^=A[s];A[s]^=A[t]; ++s;--t; } } if (!nextPermutation(A)) no(); if (check(A, P, Q)) yes(A); if (!(iq>0&&A[iq-1]==Q)) break; } int ip=find(A, P); int iq=find(A, Q); for (int i=iq;i<ip;++i) { A[i]^=A[i+1];A[i+1]^=A[i];A[i]^=A[i+1]; } //1,2,...,q,...,p //1,2,...,q+1,...,p,q if (check(A, P, Q)) yes(A); throw new AssertionError(); } boolean nextPermutation(int[] a) { int n=a.length; int p=n-1; while (p>0 && a[p-1]>a[p]) --p; if (p==0) return false; int q=p; while (q+1<n && a[p-1]<a[q+1]) ++q; { a[p-1]^=a[q];a[q]^=a[p-1];a[p-1]^=a[q]; } int s=p,t=n-1; while (s<t) { a[s]^=a[t];a[t]^=a[s];a[s]^=a[t]; ++s;--t; } return true; } void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));} } class FastScanner { private final 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() { return (int)nextLong(); } }