提出 #7102724


ソースコード 拡げる

Copy
def solve():
    c = read()
    result = think(c)
    write(result)
 
 
def read():
    h, w = read_int(2)
    c = []
    for y in range(h):
        buf = read_line(w)
        c.append(list(buf))
    return c
 
 
def read_int(n):
    return list(map(int, read_line().split(' ')))[:n]
 
 
def read_line(n=0):
    if n == 0:
        return input().rstrip()
    else:
        return input().rstrip()[:n]
 
 
def think(c):
    w, h = get_area(c)
 
    wall = '#'
    start = 's'
    goal = 'g'
 
    sx, sy = find(c, start)
    gx, gy = find(c, goal)
 
    visited_area = [[0 for x in range(w)] for y in range(h)]
 
    stack = []
    push([sx, sy], stack)
 
    while stack:
        x, y = pop(stack)
        if visited_area[y][x] == 0:
            visited_area[y][x] = 1
            if can_go_to(c, x + 1, y):
                push([x + 1, y], stack)
            if can_go_to(c, x - 1, y):
                push([x - 1, y], stack)
            if can_go_to(c, x, y + 1):
                push([x, y + 1], stack)
            if can_go_to(c, x, y - 1):
                push([x, y - 1], stack)
        else:
            continue
 
    if visited_area[gy][gx] == 0:
        return 'No'
    else:
        return 'Yes'
 
 
def get_area(c):
    h = len(c)
    w = len(c[0])
    return w, h
 
 
def find(c, mark):
    w, h = get_area(c)
    for y in range(h):
        for x in range(w):
            if c[y][x] == mark:
                return x, y
 
 
def push(what, stack):
    stack.insert(0, what)
 
 
def pop(stack):
    return stack.pop(0)
 
 
def can_go_to(c, x, y):
    w, h = get_area(c)
    return 0 <= x < w and 0 <= y < h and c[y][x] != '#'
 
 
def write(result):
    print(result)
 
 
if __name__ == '__main__':
    solve()

提出情報

提出日時
問題 A - 深さ優先探索
ユーザ vineyoshi
言語 PyPy3 (2.4.0)
得点 0
コード長 1814 Byte
結果
実行時間 2108 ms
メモリ 66796 KB

ジャッジ結果

セット名 Sample All
得点 / 配点 0 / 0 0 / 100
結果
× 5
× 71
× 12
セット名 テストケース
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
ケース名 結果 実行時間 メモリ
00_min_01.txt 164 ms 38256 KB
00_min_02.txt 162 ms 38256 KB
00_min_03.txt 161 ms 38256 KB
00_min_04.txt 162 ms 38256 KB
00_min_05.txt 163 ms 38256 KB
00_min_06.txt 163 ms 38384 KB
00_min_07.txt 163 ms 38256 KB
00_min_08.txt 163 ms 38256 KB
00_sample_01.txt 165 ms 38256 KB
00_sample_02.txt 163 ms 38256 KB
00_sample_03.txt 165 ms 38256 KB
00_sample_04.txt 163 ms 38256 KB
00_sample_05.txt 163 ms 38256 KB
01_rnd_00.txt 207 ms 49904 KB
01_rnd_01.txt 2107 ms 61292 KB
01_rnd_02.txt 2108 ms 66540 KB
01_rnd_03.txt 2106 ms 57188 KB
01_rnd_04.txt 2107 ms 60268 KB
01_rnd_05.txt 203 ms 49776 KB
01_rnd_06.txt 2108 ms 66796 KB
01_rnd_07.txt 2108 ms 64492 KB
01_rnd_08.txt 204 ms 49776 KB
01_rnd_09.txt 205 ms 49776 KB
01_rnd_10.txt 2108 ms 65128 KB
01_rnd_11.txt 206 ms 49776 KB
01_rnd_12.txt 2108 ms 62444 KB
01_rnd_13.txt 2108 ms 63596 KB
01_rnd_14.txt 206 ms 49776 KB
01_rnd_15.txt 2108 ms 63468 KB
01_rnd_16.txt 207 ms 49844 KB
01_rnd_17.txt 2108 ms 64364 KB
01_rnd_18.txt 207 ms 49776 KB
01_rnd_19.txt 2107 ms 58732 KB
02_rndhard_00.txt 245 ms 54380 KB
02_rndhard_01.txt 246 ms 54380 KB
02_rndhard_02.txt 502 ms 65004 KB
02_rndhard_03.txt 492 ms 65004 KB
02_rndhard_04.txt 213 ms 49776 KB
02_rndhard_05.txt 208 ms 49776 KB
02_rndhard_06.txt 228 ms 51952 KB
02_rndhard_07.txt 209 ms 49776 KB
02_rndhard_08.txt 320 ms 61420 KB
02_rndhard_09.txt 320 ms 61420 KB
02_rndhard_10.txt 306 ms 59372 KB
02_rndhard_11.txt 304 ms 59372 KB
02_rndhard_12.txt 282 ms 57836 KB
02_rndhard_13.txt 280 ms 57836 KB
02_rndhard_14.txt 307 ms 59500 KB
02_rndhard_15.txt 305 ms 59500 KB
02_rndhard_16.txt 219 ms 51952 KB
02_rndhard_17.txt 218 ms 51952 KB
02_rndhard_18.txt 246 ms 54508 KB
02_rndhard_19.txt 229 ms 53744 KB
02_rndhard_20.txt 235 ms 53616 KB
02_rndhard_21.txt 234 ms 53616 KB
02_rndhard_22.txt 289 ms 57964 KB
02_rndhard_23.txt 274 ms 56428 KB
02_rndhard_24.txt 236 ms 53744 KB
02_rndhard_25.txt 241 ms 53616 KB
02_rndhard_26.txt 234 ms 53744 KB
02_rndhard_27.txt 209 ms 49776 KB
02_rndhard_28.txt 252 ms 54380 KB
02_rndhard_29.txt 249 ms 54380 KB
02_rndhard_30.txt 212 ms 49776 KB
02_rndhard_31.txt 210 ms 51056 KB
02_rndhard_32.txt 299 ms 58988 KB
02_rndhard_33.txt 296 ms 59116 KB
02_rndhard_34.txt 223 ms 51952 KB
02_rndhard_35.txt 224 ms 51952 KB
02_rndhard_36.txt 215 ms 51184 KB
02_rndhard_37.txt 214 ms 51184 KB
02_rndhard_38.txt 262 ms 55404 KB
02_rndhard_39.txt 256 ms 55404 KB
03_rndhardsmall_00.txt 166 ms 38256 KB
03_rndhardsmall_01.txt 164 ms 38256 KB
03_rndhardsmall_02.txt 165 ms 38256 KB
03_rndhardsmall_03.txt 167 ms 38256 KB
03_rndhardsmall_04.txt 168 ms 38256 KB
03_rndhardsmall_05.txt 169 ms 38256 KB
03_rndhardsmall_06.txt 162 ms 38256 KB
03_rndhardsmall_07.txt 165 ms 38256 KB
03_rndhardsmall_08.txt 161 ms 38256 KB
03_rndhardsmall_09.txt 165 ms 38256 KB