Submission #383936

#	Time	Username	Problem	Language	Result	Execution time	Memory
383936		wp1270	Treasure (different grader from official contest) (CEOI13_treasure2)	C++11	100 / 100	2 ms	364 KiB

treasure

#include "treasure.h"

int t[102][102];

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

	for (int i = 1; i <= center; i++) {
		for (int j = 1; j <= center; j++) {
			t[i][j] = t[N][j] + t[i][N] + countTreasure(i + 1, j + 1, N, N) - t[N][N];
		}
	}
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			if (t[i][j] - t[i - 1][j] - t[i][j - 1] + t[i - 1][j - 1]) {
				Report(i, j);
			}
		}
	}
}



/*
10
1011010101
1100010001
0100100101
0000101100
1111010100
0010100000
1101010001
0001010100
0101000100
1101010101
*/

• Subtask 1: 100 / 100