Submission #6896734


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#include <iostream>

using namespace std;

char a[501][501];
bool v[501][501];
bool suc = 0;
const int dx[] = { 1, -1, 0, 0 };
const int dy[] = { 0, 0, 1, -1 };
int n, m;

void dfs(int x, int y) {
	if (a[x][y] == 'g') {
		suc = 1;
		return;
	}
	if (v[x][y]) {
		return;
	}
	v[x][y] = 1;
	for(int i = 0; i < 4; ++i) {
		int tx = x + dx[i], ty = y + dy[i];
		if (tx < 1 || tx > n || ty < 1 || ty > m) continue;
		if (a[tx][ty] == '#') continue;
		dfs(tx, ty);
		if (suc) return;
	}
}

int main() {
	int sx, sy;
	cin >> n >> m;
	for (int i = 1; i <= n; ++i) {
		for (int j = 1; j <= m; ++j) {
			cin >> a[i][j];
			if (a[i][j] == 's') {
				sx = i, sy = j;
			}
		}
	}
	dfs(sx, sy);
	cout << (suc ? "Yes" : "No") << endl;
	return 0;
}

Submission Info

Submission Time
Task A - 深さ優先探索
User luogu_bot5
Language C++14 (GCC 5.4.1)
Score 100
Code Size 774 Byte
Status
Exec Time 21 ms
Memory 7808 KB

Judge Result

Set Name Score / Max Score Test Cases
Sample 0 / 0 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt
All 100 / 100 00_min_01.txt, 00_min_02.txt, 00_min_03.txt, 00_min_04.txt, 00_min_05.txt, 00_min_06.txt, 00_min_07.txt, 00_min_08.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 02_rndhard_00.txt, 02_rndhard_01.txt, 02_rndhard_02.txt, 02_rndhard_03.txt, 02_rndhard_04.txt, 02_rndhard_05.txt, 02_rndhard_06.txt, 02_rndhard_07.txt, 02_rndhard_08.txt, 02_rndhard_09.txt, 02_rndhard_10.txt, 02_rndhard_11.txt, 02_rndhard_12.txt, 02_rndhard_13.txt, 02_rndhard_14.txt, 02_rndhard_15.txt, 02_rndhard_16.txt, 02_rndhard_17.txt, 02_rndhard_18.txt, 02_rndhard_19.txt, 02_rndhard_20.txt, 02_rndhard_21.txt, 02_rndhard_22.txt, 02_rndhard_23.txt, 02_rndhard_24.txt, 02_rndhard_25.txt, 02_rndhard_26.txt, 02_rndhard_27.txt, 02_rndhard_28.txt, 02_rndhard_29.txt, 02_rndhard_30.txt, 02_rndhard_31.txt, 02_rndhard_32.txt, 02_rndhard_33.txt, 02_rndhard_34.txt, 02_rndhard_35.txt, 02_rndhard_36.txt, 02_rndhard_37.txt, 02_rndhard_38.txt, 02_rndhard_39.txt, 03_rndhardsmall_00.txt, 03_rndhardsmall_01.txt, 03_rndhardsmall_02.txt, 03_rndhardsmall_03.txt, 03_rndhardsmall_04.txt, 03_rndhardsmall_05.txt, 03_rndhardsmall_06.txt, 03_rndhardsmall_07.txt, 03_rndhardsmall_08.txt, 03_rndhardsmall_09.txt
Case Name Status Exec Time Memory
00_min_01.txt 1 ms 256 KB
00_min_02.txt 1 ms 256 KB
00_min_03.txt 1 ms 256 KB
00_min_04.txt 1 ms 256 KB
00_min_05.txt 1 ms 256 KB
00_min_06.txt 1 ms 256 KB
00_min_07.txt 1 ms 256 KB
00_min_08.txt 1 ms 256 KB
00_sample_01.txt 1 ms 256 KB
00_sample_02.txt 1 ms 256 KB
00_sample_03.txt 1 ms 256 KB
00_sample_04.txt 1 ms 256 KB
00_sample_05.txt 1 ms 256 KB
01_rnd_00.txt 15 ms 512 KB
01_rnd_01.txt 16 ms 2560 KB
01_rnd_02.txt 17 ms 1920 KB
01_rnd_03.txt 17 ms 3584 KB
01_rnd_04.txt 17 ms 3584 KB
01_rnd_05.txt 15 ms 512 KB
01_rnd_06.txt 16 ms 1408 KB
01_rnd_07.txt 21 ms 3584 KB
01_rnd_08.txt 15 ms 512 KB
01_rnd_09.txt 15 ms 512 KB
01_rnd_10.txt 19 ms 1152 KB
01_rnd_11.txt 15 ms 512 KB
01_rnd_12.txt 15 ms 1280 KB
01_rnd_13.txt 17 ms 2176 KB
01_rnd_14.txt 14 ms 512 KB
01_rnd_15.txt 18 ms 1920 KB
01_rnd_16.txt 14 ms 512 KB
01_rnd_17.txt 20 ms 1536 KB
01_rnd_18.txt 15 ms 512 KB
01_rnd_19.txt 21 ms 7808 KB
02_rndhard_00.txt 15 ms 512 KB
02_rndhard_01.txt 15 ms 512 KB
02_rndhard_02.txt 16 ms 768 KB
02_rndhard_03.txt 16 ms 640 KB
02_rndhard_04.txt 14 ms 512 KB
02_rndhard_05.txt 15 ms 512 KB
02_rndhard_06.txt 15 ms 512 KB
02_rndhard_07.txt 15 ms 512 KB
02_rndhard_08.txt 15 ms 640 KB
02_rndhard_09.txt 15 ms 640 KB
02_rndhard_10.txt 15 ms 640 KB
02_rndhard_11.txt 15 ms 640 KB
02_rndhard_12.txt 15 ms 512 KB
02_rndhard_13.txt 15 ms 512 KB
02_rndhard_14.txt 15 ms 640 KB
02_rndhard_15.txt 15 ms 640 KB
02_rndhard_16.txt 15 ms 512 KB
02_rndhard_17.txt 15 ms 512 KB
02_rndhard_18.txt 15 ms 512 KB
02_rndhard_19.txt 15 ms 512 KB
02_rndhard_20.txt 15 ms 512 KB
02_rndhard_21.txt 15 ms 512 KB
02_rndhard_22.txt 15 ms 640 KB
02_rndhard_23.txt 15 ms 512 KB
02_rndhard_24.txt 15 ms 512 KB
02_rndhard_25.txt 15 ms 512 KB
02_rndhard_26.txt 15 ms 512 KB
02_rndhard_27.txt 15 ms 512 KB
02_rndhard_28.txt 15 ms 512 KB
02_rndhard_29.txt 15 ms 512 KB
02_rndhard_30.txt 15 ms 512 KB
02_rndhard_31.txt 14 ms 512 KB
02_rndhard_32.txt 15 ms 640 KB
02_rndhard_33.txt 15 ms 640 KB
02_rndhard_34.txt 15 ms 512 KB
02_rndhard_35.txt 15 ms 512 KB
02_rndhard_36.txt 15 ms 512 KB
02_rndhard_37.txt 15 ms 512 KB
02_rndhard_38.txt 15 ms 512 KB
02_rndhard_39.txt 15 ms 512 KB
03_rndhardsmall_00.txt 1 ms 256 KB
03_rndhardsmall_01.txt 1 ms 256 KB
03_rndhardsmall_02.txt 1 ms 256 KB
03_rndhardsmall_03.txt 1 ms 256 KB
03_rndhardsmall_04.txt 1 ms 256 KB
03_rndhardsmall_05.txt 1 ms 256 KB
03_rndhardsmall_06.txt 1 ms 256 KB
03_rndhardsmall_07.txt 1 ms 256 KB
03_rndhardsmall_08.txt 1 ms 256 KB
03_rndhardsmall_09.txt 1 ms 256 KB