Submission #7575217


Source Code Expand

import sys
sys.setrecursionlimit(10000)

h, w = map(int, input().split())
town = [ list(sys.stdin.readline().rstrip()) for _ in range(h) ]
visited = [[False for _ in range(w)] for _ in range(h)]

# def dfs(x, y):
#     if town[x][y] == '#': return
#     if visited[x][y]: return
#     visited[x][y] = True
#     if x < h-1: dfs(x+1, y)
#     if y < w-1: dfs(x, y+1)
#     if x > 0: dfs(x-1, y)
#     if y > 0: dfs(x, y-1)

for i in range(h):
    for j in range(w):
        if town[i][j] == 's':
            sx, sy = i, j
        if town[i][j] == 'g': gx, gy = i, j

stack = [[sx, sy]]
while stack:
    x, y = stack.pop()
    if town[x][y] == '#' or visited[x][y]: continue
    visited[x][y] = True
    for ni, nj in [(x + 1, y), (x - 1, y), (x, y + 1), (x, y - 1)]:
        if (ni >= 0) and (ni <= h-1) and (nj >= 0) and (nj <= w-1):
            stack.append([ni, nj])

# dfs(sx, sy)
#print(visited)
if visited[gx][gy]:
    print('Yes')
else: print('No')

Submission Info

Submission Time
Task A - 深さ優先探索
User huton
Language PyPy3 (2.4.0)
Score 100
Code Size 991 Byte
Status AC
Exec Time 392 ms
Memory 107884 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 172 ms 38256 KB
00_min_02.txt AC 171 ms 38256 KB
00_min_03.txt AC 171 ms 38256 KB
00_min_04.txt AC 170 ms 38256 KB
00_min_05.txt AC 174 ms 38256 KB
00_min_06.txt AC 167 ms 38256 KB
00_min_07.txt AC 167 ms 38256 KB
00_min_08.txt AC 167 ms 38256 KB
00_sample_01.txt AC 168 ms 38256 KB
00_sample_02.txt AC 168 ms 38256 KB
00_sample_03.txt AC 166 ms 38256 KB
00_sample_04.txt AC 166 ms 38256 KB
00_sample_05.txt AC 166 ms 38256 KB
01_rnd_00.txt AC 207 ms 51440 KB
01_rnd_01.txt AC 360 ms 100316 KB
01_rnd_02.txt AC 313 ms 70236 KB
01_rnd_03.txt AC 362 ms 105808 KB
01_rnd_04.txt AC 365 ms 96456 KB
01_rnd_05.txt AC 208 ms 51568 KB
01_rnd_06.txt AC 315 ms 65884 KB
01_rnd_07.txt AC 328 ms 70248 KB
01_rnd_08.txt AC 212 ms 51568 KB
01_rnd_09.txt AC 210 ms 51440 KB
01_rnd_10.txt AC 272 ms 55388 KB
01_rnd_11.txt AC 206 ms 51568 KB
01_rnd_12.txt AC 338 ms 86364 KB
01_rnd_13.txt AC 339 ms 82524 KB
01_rnd_14.txt AC 208 ms 51568 KB
01_rnd_15.txt AC 302 ms 60252 KB
01_rnd_16.txt AC 220 ms 51568 KB
01_rnd_17.txt AC 292 ms 57308 KB
01_rnd_18.txt AC 222 ms 51440 KB
01_rnd_19.txt AC 392 ms 107884 KB
02_rndhard_00.txt AC 224 ms 53104 KB
02_rndhard_01.txt AC 223 ms 53104 KB
02_rndhard_02.txt AC 241 ms 54764 KB
02_rndhard_03.txt AC 237 ms 54764 KB
02_rndhard_04.txt AC 206 ms 51568 KB
02_rndhard_05.txt AC 219 ms 51440 KB
02_rndhard_06.txt AC 221 ms 52464 KB
02_rndhard_07.txt AC 215 ms 51440 KB
02_rndhard_08.txt AC 239 ms 53232 KB
02_rndhard_09.txt AC 249 ms 53232 KB
02_rndhard_10.txt AC 230 ms 53232 KB
02_rndhard_11.txt AC 232 ms 53232 KB
02_rndhard_12.txt AC 240 ms 53104 KB
02_rndhard_13.txt AC 226 ms 53104 KB
02_rndhard_14.txt AC 242 ms 53104 KB
02_rndhard_15.txt AC 248 ms 53104 KB
02_rndhard_16.txt AC 222 ms 52464 KB
02_rndhard_17.txt AC 222 ms 52464 KB
02_rndhard_18.txt AC 229 ms 53488 KB
02_rndhard_19.txt AC 231 ms 53488 KB
02_rndhard_20.txt AC 228 ms 53360 KB
02_rndhard_21.txt AC 227 ms 53360 KB
02_rndhard_22.txt AC 229 ms 53104 KB
02_rndhard_23.txt AC 224 ms 53104 KB
02_rndhard_24.txt AC 222 ms 52464 KB
02_rndhard_25.txt AC 223 ms 52464 KB
02_rndhard_26.txt AC 234 ms 53104 KB
02_rndhard_27.txt AC 213 ms 51568 KB
02_rndhard_28.txt AC 227 ms 53104 KB
02_rndhard_29.txt AC 232 ms 53104 KB
02_rndhard_30.txt AC 211 ms 51824 KB
02_rndhard_31.txt AC 212 ms 51824 KB
02_rndhard_32.txt AC 228 ms 53104 KB
02_rndhard_33.txt AC 224 ms 53104 KB
02_rndhard_34.txt AC 227 ms 52848 KB
02_rndhard_35.txt AC 229 ms 52848 KB
02_rndhard_36.txt AC 217 ms 52080 KB
02_rndhard_37.txt AC 225 ms 52080 KB
02_rndhard_38.txt AC 238 ms 53872 KB
02_rndhard_39.txt AC 238 ms 53872 KB
03_rndhardsmall_00.txt AC 173 ms 38256 KB
03_rndhardsmall_01.txt AC 175 ms 38256 KB
03_rndhardsmall_02.txt AC 170 ms 38256 KB
03_rndhardsmall_03.txt AC 171 ms 38256 KB
03_rndhardsmall_04.txt AC 176 ms 38256 KB
03_rndhardsmall_05.txt AC 168 ms 38256 KB
03_rndhardsmall_06.txt AC 170 ms 38256 KB
03_rndhardsmall_07.txt AC 173 ms 38256 KB
03_rndhardsmall_08.txt AC 168 ms 38256 KB
03_rndhardsmall_09.txt AC 167 ms 38256 KB