結果
問題 | No.755 Zero-Sum Rectangle |
ユーザー | Grenache |
提出日時 | 2019-05-08 23:33:08 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 674 ms / 2,000 ms |
コード長 | 4,805 bytes |
コンパイル時間 | 3,826 ms |
コンパイル使用メモリ | 77,800 KB |
実行使用メモリ | 42,064 KB |
最終ジャッジ日時 | 2024-07-02 00:36:16 |
合計ジャッジ時間 | 13,391 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 53 ms
42,064 KB |
testcase_01 | AC | 407 ms
39,708 KB |
testcase_02 | AC | 458 ms
40,304 KB |
testcase_03 | AC | 588 ms
40,576 KB |
testcase_04 | AC | 635 ms
40,256 KB |
testcase_05 | AC | 674 ms
40,188 KB |
testcase_06 | AC | 528 ms
40,328 KB |
testcase_07 | AC | 517 ms
40,504 KB |
testcase_08 | AC | 586 ms
40,480 KB |
testcase_09 | AC | 455 ms
40,144 KB |
testcase_10 | AC | 548 ms
40,648 KB |
testcase_11 | AC | 55 ms
37,104 KB |
evil_1 | TLE | - |
ソースコード
import java.io.*; import java.util.NoSuchElementException; public class Main_yukicoder755 { private static Scanner sc; private static Printer pr; private static void solve() { int n = sc.nextInt(); int m = sc.nextInt(); int[][] a = new int[m][m]; for (int i = 0; i < m; i++) { for (int j = 0; j < m; j++) { a[i][j] = sc.nextInt(); } } int[] x = new int[n]; int[] y = new int[n]; for (int i = 0; i < n; i++) { x[i] = sc.nextInt(); y[i] = sc.nextInt(); } long[][] aa = new long[m + 1][m + 1]; for (int i = 0; i < m; i++) { for (int j = 0; j < m; j++) { aa[i + 1][j + 1] = aa[i + 1][j] + a[i][j]; } for (int j = 1; j <= m; j++) { aa[i + 1][j] += aa[i][j]; } } for (int i = 0; i < n; i++) { long ans = 0; for (int xx = 1; xx <= x[i]; xx++) { for (int yy = 1; yy <= y[i]; yy++) { for (int xx2 = x[i]; xx2 <= m; xx2++) { for (int yy2 = y[i]; yy2 <= m; yy2++) { long tmp = aa[xx2][yy2] - aa[xx2][yy - 1] - aa[xx - 1][yy2] + aa[xx - 1][yy - 1]; if (tmp == 0) { ans++; } } } } } pr.println(ans); } } // --------------------------------------------------- public static void main(String[] args) { sc = new Scanner(System.in); pr = new Printer(System.out); solve(); pr.close(); sc.close(); } static class Scanner { BufferedReader br; Scanner (InputStream in) { br = new BufferedReader(new InputStreamReader(in)); } private boolean isPrintable(int ch) { return ch >= '!' && ch <= '~'; } private boolean isCRLF(int ch) { return ch == '\n' || ch == '\r' || ch == -1; } private int nextPrintable() { try { int ch; while (!isPrintable(ch = br.read())) { if (ch == -1) { throw new NoSuchElementException(); } } return ch; } catch (IOException e) { throw new NoSuchElementException(); } } String next() { try { int ch = nextPrintable(); StringBuilder sb = new StringBuilder(); do { sb.appendCodePoint(ch); } while (isPrintable(ch = br.read())); return sb.toString(); } catch (IOException e) { throw new NoSuchElementException(); } } int nextInt() { try { // parseInt from Integer.parseInt() boolean negative = false; int res = 0; int limit = -Integer.MAX_VALUE; int radix = 10; int fc = nextPrintable(); if (fc < '0') { if (fc == '-') { negative = true; limit = Integer.MIN_VALUE; } else if (fc != '+') { throw new NumberFormatException(); } fc = br.read(); } int multmin = limit / radix; int ch = fc; do { int digit = ch - '0'; if (digit < 0 || digit >= radix) { throw new NumberFormatException(); } if (res < multmin) { throw new NumberFormatException(); } res *= radix; if (res < limit + digit) { throw new NumberFormatException(); } res -= digit; } while (isPrintable(ch = br.read())); return negative ? res : -res; } catch (IOException e) { throw new NoSuchElementException(); } } long nextLong() { try { // parseLong from Long.parseLong() boolean negative = false; long res = 0; long limit = -Long.MAX_VALUE; int radix = 10; int fc = nextPrintable(); if (fc < '0') { if (fc == '-') { negative = true; limit = Long.MIN_VALUE; } else if (fc != '+') { throw new NumberFormatException(); } fc = br.read(); } long multmin = limit / radix; int ch = fc; do { int digit = ch - '0'; if (digit < 0 || digit >= radix) { throw new NumberFormatException(); } if (res < multmin) { throw new NumberFormatException(); } res *= radix; if (res < limit + digit) { throw new NumberFormatException(); } res -= digit; } while (isPrintable(ch = br.read())); return negative ? res : -res; } catch (IOException e) { throw new NoSuchElementException(); } } float nextFloat() { return Float.parseFloat(next()); } double nextDouble() { return Double.parseDouble(next()); } String nextLine() { try { int ch; while (isCRLF(ch = br.read())) { if (ch == -1) { throw new NoSuchElementException(); } } StringBuilder sb = new StringBuilder(); do { sb.appendCodePoint(ch); } while (!isCRLF(ch = br.read())); return sb.toString(); } catch (IOException e) { throw new NoSuchElementException(); } } void close() { try { br.close(); } catch (IOException e) { // throw new NoSuchElementException(); } } } static class Printer extends PrintWriter { Printer(OutputStream out) { super(out); } } }