結果
問題 | No.755 Zero-Sum Rectangle |
ユーザー | hiromi_ayase |
提出日時 | 2018-12-04 01:00:20 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 589 ms / 2,000 ms |
コード長 | 3,274 bytes |
コンパイル時間 | 1,977 ms |
コンパイル使用メモリ | 86,152 KB |
実行使用メモリ | 43,692 KB |
最終ジャッジ日時 | 2024-07-05 17:01:04 |
合計ジャッジ時間 | 10,610 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 63 ms
43,692 KB |
testcase_01 | AC | 376 ms
42,384 KB |
testcase_02 | AC | 418 ms
42,384 KB |
testcase_03 | AC | 522 ms
42,224 KB |
testcase_04 | AC | 565 ms
42,504 KB |
testcase_05 | AC | 589 ms
42,068 KB |
testcase_06 | AC | 414 ms
42,628 KB |
testcase_07 | AC | 476 ms
42,608 KB |
testcase_08 | AC | 528 ms
42,692 KB |
testcase_09 | AC | 322 ms
42,740 KB |
testcase_10 | AC | 334 ms
42,968 KB |
testcase_11 | AC | 66 ms
38,188 KB |
evil_1 | TLE | - |
ソースコード
public class Main { private static void solve() { int n = ni(); int m = ni(); int[][] a = ntable(m, m); long[][] sum = new long[m + 1][m + 1]; for (int i = 0; i < m; i ++) { for (int j = 0; j < m; j ++) { sum[i + 1][j + 1] += sum[i + 1][j] + a[i][j]; } if (i > 0) { for (int j = 0; j <= m; j ++) { sum[i + 1][j] += sum[i][j]; } } } for (int i = 0; i < n; i ++) { int x = ni(); int y = ni(); int ret = 0; for (int x1 = 0; x1 < x; x1 ++) { for (int y1 = 0; y1 < y; y1 ++) { for (int x2 = x; x2 <= m; x2 ++) { for (int y2 = y; y2 <= m; y2 ++) { long now = sum[x2][y2] - sum[x1][y2] - sum[x2][y1] + sum[x1][y1]; if (now == 0) { ret ++; } } } } } System.out.println(ret); } } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }