結果
問題 | No.755 Zero-Sum Rectangle |
ユーザー |
|
提出日時 | 2019-05-08 23:33:08 |
言語 | Java (openjdk 23) |
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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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 11 TLE * 1 |
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);}}}