Submission #41267

#	Time	Username	Problem	Language	Result	Execution time	Memory
41267		kdk8361	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	100 / 100	2 ms	824 KiB

treasure

#include "treasure.h"

int s[101][101], i, j;

void findTreasure (int N) {
	for (i = N / 2 + 1; i <= N; ++i) for (j = N / 2 + 1; j <= N; ++j) 
		s[i][j] = countTreasure(1, 1, i, j);

	for (i = N / 2 + 1; i <= N; ++i) for (j = 1; j <= N / 2; ++j) 
		s[i][j] = s[i][N] - countTreasure(1, j + 1, i, N);

	for (i = 1; i <= N / 2; ++i) for (j = N / 2 + 1; j <= N; ++j)
		s[i][j] = s[N][j] - countTreasure(i + 1, 1, N, j);

	for (i = 1; i <= N / 2; ++i) for (j = 1; j <= N / 2; ++j)
		s[i][j] = s[i][N] + s[N][j] + countTreasure(i + 1, j + 1, N, N) - s[N][N];

	for (i = 1; i <= N; ++i) for (j = 1; j <= N; ++j) 
		if (s[i][j] - s[i - 1][j] - s[i][j - 1] + s[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: 100 / 100