Submission #4620960


Source Code Expand

// スタックサイズ: 100MB

#include <iostream>
#include <fstream>
#include <vector>
#include <map>
#include <unordered_map>
#include <string>
#include <cmath>
#include <cstdio>
#include <algorithm>
#include <functional>
#include <numeric>
#include <iomanip>
#include <queue>
#include <list>
using namespace std;

typedef int64_t ll;
const ll INF = 1000000000000000000;
#define fori(i, a, b) for (ll i = (a); i < (b); ++i)
#define ford(i, a, b) for (ll i = (b - 1); (a) <= i; --i)
#define rep(i, n) fori(i, 0, n)
#define vll vector<ll>
#define all(v) (v).begin(), (v).end()



int main() {

	ll H, W;
	ll start_x, start_y;
	cin >> H >> W;
	vector<vector<char>> c(H + 2, vector<char>(W + 2, '#'));
	fori(i, 1, H + 1) fori(j, 1, W + 1) {
		cin >> c[i][j];
		if (c[i][j] == 's') {
			start_x = i;
			start_y = j;
		}
	}

	bool ans = false;
	list<ll> x, y;
	x.push_back(start_x), y.push_back(start_y);
	c[start_x][start_y] = '#';
	while (!x.empty()) {
		ll tmp_x = x.front(), tmp_y = y.front();
		x.pop_front(), y.pop_front();

		if (c[tmp_x - 1][tmp_y] == '.') {
			x.push_back(tmp_x - 1);
			y.push_back(tmp_y);
			c[tmp_x - 1][tmp_y] = '#';
		}
		if (c[tmp_x + 1][tmp_y] == '.') {
			x.push_back(tmp_x + 1);
			y.push_back(tmp_y);
			c[tmp_x + 1][tmp_y] = '#';
		}
		if (c[tmp_x][tmp_y - 1] == '.') {
			x.push_back(tmp_x);
			y.push_back(tmp_y - 1);
			c[tmp_x][tmp_y - 1] = '#';
		}
		if (c[tmp_x][tmp_y + 1] == '.') {
			x.push_back(tmp_x);
			y.push_back(tmp_y + 1);
			c[tmp_x][tmp_y + 1] = '#';
		}
		if (c[tmp_x - 1][tmp_y] == 'g' ||
			c[tmp_x + 1][tmp_y] == 'g' ||
			c[tmp_x][tmp_y - 1] == 'g' ||
			c[tmp_x][tmp_y + 1] == 'g') {

			ans = true;
			break;
		}
	}

	cout << (ans ? "Yes" : "No") << endl;
}

Submission Info

Submission Time
Task A - 深さ優先探索
User dapikasu
Language C++14 (GCC 5.4.1)
Score 100
Code Size 1799 Byte
Status AC
Exec Time 29 ms
Memory 512 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 5
AC × 83
Set Name Test Cases
Sample 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt
All 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 AC 1 ms 256 KB
00_min_02.txt AC 1 ms 256 KB
00_min_03.txt AC 1 ms 256 KB
00_min_04.txt AC 1 ms 256 KB
00_min_05.txt AC 1 ms 256 KB
00_min_06.txt AC 1 ms 256 KB
00_min_07.txt AC 1 ms 256 KB
00_min_08.txt AC 1 ms 256 KB
00_sample_01.txt AC 1 ms 256 KB
00_sample_02.txt AC 1 ms 256 KB
00_sample_03.txt AC 1 ms 256 KB
00_sample_04.txt AC 1 ms 256 KB
00_sample_05.txt AC 1 ms 256 KB
01_rnd_00.txt AC 15 ms 512 KB
01_rnd_01.txt AC 17 ms 512 KB
01_rnd_02.txt AC 21 ms 512 KB
01_rnd_03.txt AC 29 ms 512 KB
01_rnd_04.txt AC 22 ms 512 KB
01_rnd_05.txt AC 15 ms 512 KB
01_rnd_06.txt AC 25 ms 512 KB
01_rnd_07.txt AC 24 ms 512 KB
01_rnd_08.txt AC 15 ms 512 KB
01_rnd_09.txt AC 15 ms 512 KB
01_rnd_10.txt AC 25 ms 512 KB
01_rnd_11.txt AC 15 ms 512 KB
01_rnd_12.txt AC 28 ms 512 KB
01_rnd_13.txt AC 15 ms 512 KB
01_rnd_14.txt AC 15 ms 512 KB
01_rnd_15.txt AC 23 ms 512 KB
01_rnd_16.txt AC 15 ms 512 KB
01_rnd_17.txt AC 27 ms 512 KB
01_rnd_18.txt AC 15 ms 512 KB
01_rnd_19.txt AC 20 ms 512 KB
02_rndhard_00.txt AC 16 ms 512 KB
02_rndhard_01.txt AC 16 ms 512 KB
02_rndhard_02.txt AC 17 ms 512 KB
02_rndhard_03.txt AC 17 ms 512 KB
02_rndhard_04.txt AC 15 ms 512 KB
02_rndhard_05.txt AC 15 ms 512 KB
02_rndhard_06.txt AC 15 ms 512 KB
02_rndhard_07.txt AC 15 ms 512 KB
02_rndhard_08.txt AC 16 ms 512 KB
02_rndhard_09.txt AC 15 ms 512 KB
02_rndhard_10.txt AC 17 ms 512 KB
02_rndhard_11.txt AC 15 ms 512 KB
02_rndhard_12.txt AC 16 ms 512 KB
02_rndhard_13.txt AC 16 ms 512 KB
02_rndhard_14.txt AC 15 ms 512 KB
02_rndhard_15.txt AC 15 ms 512 KB
02_rndhard_16.txt AC 15 ms 512 KB
02_rndhard_17.txt AC 15 ms 512 KB
02_rndhard_18.txt AC 15 ms 512 KB
02_rndhard_19.txt AC 15 ms 512 KB
02_rndhard_20.txt AC 15 ms 512 KB
02_rndhard_21.txt AC 15 ms 512 KB
02_rndhard_22.txt AC 15 ms 512 KB
02_rndhard_23.txt AC 15 ms 512 KB
02_rndhard_24.txt AC 16 ms 512 KB
02_rndhard_25.txt AC 15 ms 512 KB
02_rndhard_26.txt AC 15 ms 512 KB
02_rndhard_27.txt AC 15 ms 512 KB
02_rndhard_28.txt AC 15 ms 512 KB
02_rndhard_29.txt AC 15 ms 512 KB
02_rndhard_30.txt AC 15 ms 512 KB
02_rndhard_31.txt AC 15 ms 512 KB
02_rndhard_32.txt AC 15 ms 512 KB
02_rndhard_33.txt AC 15 ms 512 KB
02_rndhard_34.txt AC 15 ms 512 KB
02_rndhard_35.txt AC 15 ms 512 KB
02_rndhard_36.txt AC 15 ms 512 KB
02_rndhard_37.txt AC 15 ms 512 KB
02_rndhard_38.txt AC 15 ms 512 KB
02_rndhard_39.txt AC 15 ms 512 KB
03_rndhardsmall_00.txt AC 1 ms 256 KB
03_rndhardsmall_01.txt AC 1 ms 256 KB
03_rndhardsmall_02.txt AC 1 ms 256 KB
03_rndhardsmall_03.txt AC 1 ms 256 KB
03_rndhardsmall_04.txt AC 1 ms 256 KB
03_rndhardsmall_05.txt AC 1 ms 256 KB
03_rndhardsmall_06.txt AC 1 ms 256 KB
03_rndhardsmall_07.txt AC 1 ms 256 KB
03_rndhardsmall_08.txt AC 1 ms 256 KB
03_rndhardsmall_09.txt AC 1 ms 256 KB