Submission #40780

#	Time	Username	Problem	Language	Result	Execution time	Memory
40780		bysu	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	16 / 100	2 ms	696 KiB

treasure

#include "treasure.h"
int dp[101][101];
int cnt;
int func(int r, int c) {
	if (dp[r][c] == -1) {
		dp[r][c] = countTreasure(1,1,r,c);
		if (r*c == dp[r][c]) {
			for (int i = 1; i <= r; i++) {
				for (int j = 1; j <= c; j++) {
					dp[i][j] = dp[i-1][j]+dp[i][j-1]-dp[i-1][j-1]+1;
				}
			}
		}
		else if (dp[r][c] == 0) {
			for (int i = 1; i <= r; i++) {
				for (int j = 1; j <= c; j++) {
					dp[i][j] = 0;
				}
			}
		}
	}
	return dp[r][c];
}
void findTreasure (int N) {
	cnt = func(N, N);
	for (int i = 1; i < 101; i++) {
		for (int j = 1; j < 101; j++) {
			dp[i][j] = -1;
		}
	}
	for (int i = N; i > 0; i--) {
		for (int j = N; j > 0; j--) {
			cnt -=func(i, j)-func(i-1,j)-func(i,j-1)+func(i-1,j-1);
			if (cnt == 0)break;
		}
		if (cnt == 0)break;
	}

	for (int i = N; i > 0; i--) {
		for (int j = N; j > 0; j--) {
			if (dp[i][j] - dp[i - 1][j] - dp[i][j - 1] + dp[i - 1][j - 1]) {
				Report(i, j);
			}
		}
	}

}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:63:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         my_assert(strlen(A[i]+1) == N, "each line of the map must contain N zeroes or ones (before loop)");
                                  ^

• Subtask 1: 16 / 100