結果
問題 | No.326 あみだますたー |
ユーザー | uwi |
提出日時 | 2015-12-19 00:49:16 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 157 ms / 2,000 ms |
コード長 | 3,459 bytes |
コンパイル時間 | 4,003 ms |
コンパイル使用メモリ | 87,828 KB |
実行使用メモリ | 40,968 KB |
最終ジャッジ日時 | 2024-11-07 23:18:02 |
合計ジャッジ時間 | 7,880 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 51 ms
36,632 KB |
testcase_01 | AC | 78 ms
38,152 KB |
testcase_02 | AC | 99 ms
38,592 KB |
testcase_03 | AC | 127 ms
40,488 KB |
testcase_04 | AC | 117 ms
40,448 KB |
testcase_05 | AC | 51 ms
36,652 KB |
testcase_06 | AC | 87 ms
39,916 KB |
testcase_07 | AC | 51 ms
36,804 KB |
testcase_08 | AC | 154 ms
40,968 KB |
testcase_09 | AC | 157 ms
40,856 KB |
testcase_10 | AC | 148 ms
40,176 KB |
testcase_11 | AC | 81 ms
38,336 KB |
testcase_12 | AC | 122 ms
38,816 KB |
testcase_13 | AC | 106 ms
38,344 KB |
testcase_14 | AC | 103 ms
39,848 KB |
testcase_15 | AC | 84 ms
38,000 KB |
testcase_16 | AC | 80 ms
38,344 KB |
testcase_17 | AC | 100 ms
38,264 KB |
testcase_18 | AC | 95 ms
38,328 KB |
testcase_19 | AC | 87 ms
38,380 KB |
testcase_20 | AC | 77 ms
37,976 KB |
testcase_21 | AC | 77 ms
38,028 KB |
testcase_22 | AC | 113 ms
38,592 KB |
testcase_23 | AC | 127 ms
40,328 KB |
testcase_24 | AC | 117 ms
38,404 KB |
testcase_25 | AC | 122 ms
38,880 KB |
testcase_26 | AC | 82 ms
38,040 KB |
testcase_27 | AC | 107 ms
38,304 KB |
ソースコード
package contest; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.InputMismatchException; import java.util.List; public class Q905 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), K = ni(); int[] f = new int[n]; for(int i = 0;i < n;i++)f[i] = i; for(int i = 0;i < K;i++){ int x = ni()-1, y = ni()-1; int d = f[x]; f[x] = f[y]; f[y] = d; } int[] a = na(n); List<Integer> list = new ArrayList<>(); int[] ia = new int[n]; for(int i = 0;i < n;i++){ ia[a[i]-1] = i; } for(int i = 0;i < n;i++){ for(int j = 0;j < n;j++){ if(f[j] == ia[i]){ for(int k = j-1;k >= i;k--){ int d = f[k]; f[k] = f[k+1]; f[k+1] = d; list.add(k); } break; } } } out.println(list.size()); for(int x : list){ out.println(x+1 + " " + (x+2)); } } void run() throws Exception { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); long s = System.currentTimeMillis(); solve(); out.flush(); if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms"); } public static void main(String[] args) throws Exception { new Q905().run(); } private byte[] inbuf = new byte[1024]; private 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 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))){ // when nextLine, (isSpaceChar(b) && 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 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(); } } private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }