Submission #100540

#	Time	Username	Problem	Language	Result	Execution time	Memory
100540		salepark	보물 찾기 (CEOI13_treasure2)	C++14	32 / 100	3 ms	640 KiB

treasure

#include "treasure.h"
bool visit[101][101];
void check(int a, int b, int c, int d) {
	for (int i = a; i <= c; i++) {
		for (int j = b; j <= d; j++) {
			visit[i][j] = 1;
		}
	}
}
void go(int a, int b, int N, int C) {
	int M = N % 2 == 0 ? N / 2 : (N / 2) + 1;
	if (M == 1) {
		if (countTreasure(a, b, a, b) == 1) {
			visit[a][b] = 1;
			C--;
			if (C == 0)return;
		}
		if (countTreasure(a + 1, b, a + 1, b) == 1) {
			visit[a + 1][b] = 1;
			C--;
			if (C == 0)return;
		}
		if (countTreasure(a, b + 1, a, b + 1) == 1) {
			visit[a][b + 1] = 1;
			C--;
			if (C == 0)return;
		}
		if (countTreasure(a + 1, b + 1, a + 1, b + 1) == 1) {
			visit[a + 1][b + 1] = 1;
			C--; 
			if (C == 0)return;
		}
		return;
	}
	if (N % 2 == 0) {
		int cnt = countTreasure(a, b, a + M - 1, b + M - 1);
		if (cnt == M * M) check(a, b, a + M - 1, b + M - 1);
		else if(cnt != 0)go(a, b, M,cnt);
		cnt = countTreasure(a + M, b, a + (2 * M) - 1, b + M - 1);
		if (cnt == M * M) check(a + M, b, a + (2 * M) - 1, b + M - 1);
		else if (cnt != 0)go(a + M, b, M, cnt);
		cnt = countTreasure(a, b + M, a + M - 1, b + (2 * M) - 1);
		if (cnt == M * M) check(a, b + M, a + M - 1, b + (2 * M) - 1);
		else if (cnt != 0)go(a, b + M, M, cnt);
		cnt = countTreasure(a + M, b + M, a + (2 * M) - 1, b + (2 * M) - 1);
		if (cnt == M * M) check(a + M, b + M, a + (2 * M) - 1, b + (2 * M) - 1);
		else if (cnt != 0)go(a + M, b + M, M, cnt);
	}
	else {
		int cnt = countTreasure(a, b, a + M - 1, b + M - 1);
		if (cnt == M * M) check(a, b, a + M - 1, b + M - 1);
		else if (cnt != 0)go(a, b, M, cnt);
		cnt = countTreasure(a + M - 1, b, a + (2 * M) - 2, b + M - 1);
		if (cnt == M * M) check(a + M - 1, b, a + (2 * M) - 2, b + M - 1);
		else if (cnt != 0)go(a + M - 1, b, M, cnt);
		cnt = countTreasure(a, b + M - 1, a + M - 1, b + (2 * M) - 2);
		if (cnt == M * M) check(a, b + M - 1, a + M - 1, b + (2 * M) - 2);
		else if (cnt != 0)go(a, b + M - 1, M, cnt);
		cnt = countTreasure(a + M - 1, b + M - 1, a + (2 * M) - 2, b + (2 * M) - 2);
		if (cnt == M * M) check(a + M - 1, b + M - 1, a + (2 * M) - 2, b + (2 * M) - 2);
		else if (cnt != 0)go(a + M - 1, b + M - 1, M, cnt);
	}
}
void findTreasure(int N) {
	int cnt = countTreasure(1, 1, N, N);
	if (cnt == 0) return;
	else if (cnt == N * N) {
		for (int i = 1; i <= N; i++) {
			for (int j = 1; j <= N; j++) {
				Report(i, j);
			}
		}
	}
	else {
		go(1, 1, N,cnt);
	}
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			if (visit[i][j] == 1) Report(i, j);
		}
	}
}

• Subtask 1: 32 / 100