結果
問題 | No.625 ソンタクロース |
ユーザー | uwi |
提出日時 | 2017-12-24 18:15:26 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 315 ms / 4,000 ms |
コード長 | 3,843 bytes |
コンパイル時間 | 7,223 ms |
コンパイル使用メモリ | 81,104 KB |
実行使用メモリ | 61,844 KB |
最終ジャッジ日時 | 2024-12-17 18:39:38 |
合計ジャッジ時間 | 8,798 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 75 ms
50,892 KB |
testcase_01 | AC | 74 ms
50,964 KB |
testcase_02 | AC | 78 ms
51,248 KB |
testcase_03 | AC | 75 ms
50,828 KB |
testcase_04 | AC | 75 ms
51,160 KB |
testcase_05 | AC | 77 ms
51,112 KB |
testcase_06 | AC | 78 ms
51,196 KB |
testcase_07 | AC | 79 ms
51,292 KB |
testcase_08 | AC | 78 ms
51,224 KB |
testcase_09 | AC | 75 ms
51,108 KB |
testcase_10 | AC | 77 ms
50,792 KB |
testcase_11 | AC | 76 ms
50,996 KB |
testcase_12 | AC | 75 ms
51,300 KB |
testcase_13 | AC | 74 ms
51,068 KB |
testcase_14 | AC | 78 ms
51,020 KB |
testcase_15 | AC | 148 ms
55,456 KB |
testcase_16 | AC | 103 ms
51,852 KB |
testcase_17 | AC | 209 ms
57,944 KB |
testcase_18 | AC | 315 ms
61,844 KB |
testcase_19 | AC | 157 ms
55,296 KB |
testcase_20 | AC | 179 ms
55,696 KB |
testcase_21 | AC | 140 ms
55,452 KB |
testcase_22 | AC | 254 ms
58,324 KB |
testcase_23 | AC | 131 ms
53,472 KB |
ソースコード
package adv2017; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; public class N625 { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int n = ni(), m = ni(); int[][] dp = new int[n][n]; dp[n-1][n-1] = m; for(int i = n-2;i >= 0;i--){ int[][] prev = new int[n-1-i][]; int p = 0; for(int j = n-1;j > i;j--){ prev[p++] = new int[]{dp[i+1][j], j}; } Arrays.sort(prev, new Comparator<int[]>() { public int compare(int[] a, int[] b) { return a[0] - b[0]; } }); // (1 + x) * 2 > n-i int need = (n-i)/2 + 1 - 1; int all = m; for(int j = 0;j < need;j++){ dp[i][prev[j][1]] = Math.max(0, prev[j][0] + 1); all -= Math.max(0, prev[j][0] + 1); } dp[i][i] = all; } for(int j = 0;j < n;j++){ if(dp[j][j] < 0)continue; for(int i = 0;i < n;i++){ if(i < j){ out.print(-1 + " "); }else{ out.print(dp[j][i] + " "); } } break; } out.println(); } 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"); // 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(); } public static void main(String[] args) throws Exception { new N625().run(); } private 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 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 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 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[][] nmi(int n, int m) { int[][] map = new int[n][]; for(int i = 0;i < n;i++)map[i] = na(m); return map; } private int ni() { return (int)nl(); } 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)); } }