Submission #471092

#TimeUsernameProblemLanguageResultExecution timeMemory
471092chointaeTreasure (different grader from official contest) (CEOI13_treasure2)C++17
100 / 100
1 ms332 KiB
#include "treasure.h"
 
int tCnt[102][102];
 
void findTreasure (int N) {	
	int mid = N / 2;
	for (int i = N; i >= 1; i--) {
		for (int j = N; j >= 1; j--) {
			if (i <= mid) {
				if (j <= mid)	// 1 사분면
					tCnt[i][j] = tCnt[i][N] + tCnt[N][j] + countTreasure(i + 1, j + 1, N, N) - tCnt[N][N];
				else 			// 2 사분면
					tCnt[i][j] = tCnt[N][j] - countTreasure(i + 1, 1, N, j);
			}
			else {
				if (j <= mid)	// 3 사분면
					tCnt[i][j] = tCnt[i][N] - countTreasure(1, j + 1, i, N);
				else 		// 4 사분면
					tCnt[i][j] = countTreasure(1, 1, i, j);
			}
		}
	}
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			if (tCnt[i][j] + tCnt[i - 1][j - 1] - (tCnt[i][j - 1] + tCnt[i - 1][j]))
				Report(i, j);
		}
	}
}
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