Submission #420555


Source Code Expand

#include <iostream>
#include <cstdio>
#include <string>

int h, w;
const int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1};
bool used[501][501];
int start[2], goal[2];

bool dfs(int x, int y){
	if(x < 0 || x >= w || y < 0 || y >= h) return false;
	if(used[x][y]) return false;
	if(x == goal[0] && y == goal[1]) return true;
	used[x][y] = true;
	
	bool res = false;
	for(int i = 0; i < 4; ++i){
		res |= dfs(x + dx[i], y + dy[i]);
	}

	if(!res) used[x][y] = false;

	return res;
}

int main(){
	std::string str;
	std::cin >> h >> w;

	for(int i = 0; i < h; ++i){
		std::cin >> str;
		for(int j = 0; j < w; ++j){
			const auto& c = str[j];

			if(c == '#') used[j][i] = true;
			if(c == 's') start[0] = j, start[1] = i;
			if(c == 'g') goal[0] = j, goal[1] = i;

		}
	}

	std::cout << (dfs(start[0], start[1]) ? "Yes" : "No") << std::endl;

	return 0;
}

Submission Info

Submission Time
Task A - 深さ優先探索
User tsuzu
Language C++11 (GCC 4.9.2)
Score 0
Code Size 892 Byte
Status TLE
Exec Time 2039 ms
Memory 13220 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 100
Status
AC × 5
AC × 37
TLE × 46
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 25 ms 732 KB
00_min_02.txt AC 23 ms 804 KB
00_min_03.txt AC 24 ms 796 KB
00_min_04.txt AC 24 ms 924 KB
00_min_05.txt AC 22 ms 920 KB
00_min_06.txt AC 24 ms 792 KB
00_min_07.txt AC 24 ms 928 KB
00_min_08.txt AC 22 ms 924 KB
00_sample_01.txt AC 24 ms 928 KB
00_sample_02.txt AC 26 ms 752 KB
00_sample_03.txt AC 26 ms 932 KB
00_sample_04.txt AC 25 ms 796 KB
00_sample_05.txt AC 24 ms 780 KB
01_rnd_00.txt AC 41 ms 928 KB
01_rnd_01.txt TLE 2033 ms 2720 KB
01_rnd_02.txt TLE 2034 ms 1188 KB
01_rnd_03.txt TLE 2035 ms 13220 KB
01_rnd_04.txt TLE 2032 ms 1828 KB
01_rnd_05.txt AC 40 ms 1060 KB
01_rnd_06.txt TLE 2033 ms 1188 KB
01_rnd_07.txt TLE 2033 ms 1120 KB
01_rnd_08.txt AC 39 ms 1052 KB
01_rnd_09.txt AC 41 ms 1056 KB
01_rnd_10.txt TLE 2034 ms 1112 KB
01_rnd_11.txt AC 41 ms 940 KB
01_rnd_12.txt TLE 2035 ms 1312 KB
01_rnd_13.txt TLE 2033 ms 1572 KB
01_rnd_14.txt AC 40 ms 1052 KB
01_rnd_15.txt TLE 2033 ms 1176 KB
01_rnd_16.txt AC 40 ms 1048 KB
01_rnd_17.txt TLE 2033 ms 1188 KB
01_rnd_18.txt AC 41 ms 1052 KB
01_rnd_19.txt TLE 2034 ms 4636 KB
02_rndhard_00.txt TLE 2033 ms 1064 KB
02_rndhard_01.txt TLE 2033 ms 1192 KB
02_rndhard_02.txt TLE 2034 ms 1172 KB
02_rndhard_03.txt TLE 2033 ms 1192 KB
02_rndhard_04.txt AC 111 ms 936 KB
02_rndhard_05.txt AC 109 ms 1052 KB
02_rndhard_06.txt TLE 2035 ms 1056 KB
02_rndhard_07.txt AC 46 ms 1044 KB
02_rndhard_08.txt TLE 2033 ms 1060 KB
02_rndhard_09.txt TLE 2033 ms 1060 KB
02_rndhard_10.txt TLE 2032 ms 1184 KB
02_rndhard_11.txt TLE 2032 ms 1180 KB
02_rndhard_12.txt TLE 2033 ms 1064 KB
02_rndhard_13.txt TLE 2039 ms 1120 KB
02_rndhard_14.txt TLE 2033 ms 1116 KB
02_rndhard_15.txt TLE 2033 ms 1188 KB
02_rndhard_16.txt TLE 2033 ms 1064 KB
02_rndhard_17.txt TLE 2032 ms 1056 KB
02_rndhard_18.txt TLE 2033 ms 1120 KB
02_rndhard_19.txt TLE 2032 ms 1060 KB
02_rndhard_20.txt TLE 2032 ms 1116 KB
02_rndhard_21.txt TLE 2033 ms 1120 KB
02_rndhard_22.txt TLE 2033 ms 1116 KB
02_rndhard_23.txt TLE 2034 ms 1184 KB
02_rndhard_24.txt TLE 2032 ms 1184 KB
02_rndhard_25.txt TLE 2033 ms 1060 KB
02_rndhard_26.txt TLE 2032 ms 1120 KB
02_rndhard_27.txt AC 450 ms 1048 KB
02_rndhard_28.txt TLE 2034 ms 1188 KB
02_rndhard_29.txt TLE 2032 ms 1140 KB
02_rndhard_30.txt AC 41 ms 992 KB
02_rndhard_31.txt AC 40 ms 976 KB
02_rndhard_32.txt TLE 2036 ms 1180 KB
02_rndhard_33.txt TLE 2032 ms 1052 KB
02_rndhard_34.txt TLE 2035 ms 1048 KB
02_rndhard_35.txt TLE 2035 ms 1188 KB
02_rndhard_36.txt TLE 2033 ms 1116 KB
02_rndhard_37.txt TLE 2034 ms 1052 KB
02_rndhard_38.txt TLE 2032 ms 1064 KB
02_rndhard_39.txt TLE 2033 ms 1064 KB
03_rndhardsmall_00.txt AC 26 ms 800 KB
03_rndhardsmall_01.txt AC 24 ms 920 KB
03_rndhardsmall_02.txt AC 26 ms 768 KB
03_rndhardsmall_03.txt AC 25 ms 928 KB
03_rndhardsmall_04.txt AC 24 ms 928 KB
03_rndhardsmall_05.txt AC 23 ms 796 KB
03_rndhardsmall_06.txt AC 26 ms 800 KB
03_rndhardsmall_07.txt AC 25 ms 916 KB
03_rndhardsmall_08.txt AC 24 ms 920 KB
03_rndhardsmall_09.txt AC 25 ms 928 KB