Submission #7512774


Source Code Expand


class Edges(set):
    def __init__(self):
        set.__init__(self)


N, G, E = map(int, input().split())
P = list(map(int, input().split()))


def dfs(start: int, end: int, visited, g, path):

    path.append(start)
    visited[start] = True
    if start == end:
        return True

    for nx in g[start]:
        if visited[nx]:
            continue
        if dfs(nx, end, visited, g, path):
            return True

    del path[-1]
    return False


def rev(g, path):

    l = len(path)
    for i in range(l - 1):
        t, f = path[i], path[i + 1]
        g[t].remove(f)
        g[f].add(t)


graph = [Edges() for _ in range(N + 1)]

for p in P:
    graph[p].add(N)

for _ in range(E):
    a, b = map(int, input().split())
    graph[a].add(b)
    graph[b].add(a)

path = []

cnt = 0
while dfs(0, N, [False for _ in range(N + 1)], graph, path):
    rev(graph, path)
    path = []
    cnt += 1

print(cnt)

Submission Info

Submission Time
Task D - 浮気予防
User nyama
Language PyPy3 (2.4.0)
Score 100
Code Size 973 Byte
Status AC
Exec Time 285 ms
Memory 45912 KB

Judge Result

Set Name part All
Score / Max Score 99 / 99 1 / 1
Status
AC × 27
AC × 61
Set Name Test Cases
part test_01_AB.txt, test_02_AB.txt, test_03_AB.txt, test_04_AB.txt, test_05_AB.txt, test_06_AB.txt, test_07_AB.txt, test_08_AB.txt, test_09_AB.txt, test_10_AB.txt, test_11_AB.txt, test_12_AB.txt, test_13_AB.txt, test_14_AB.txt, test_15_AB.txt, test_16_AB.txt, test_17_AB.txt, test_18_AB.txt, test_19_AB.txt, test_20_AB.txt, test_21_AB.txt, test_22_AB.txt, test_23_AB.txt, test_24_AB.txt, test_25_AB.txt, test_41_AB.txt, test_47_AB.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_05.txt, sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_05.txt, test_01_AB.txt, test_02_AB.txt, test_03_AB.txt, test_04_AB.txt, test_05_AB.txt, test_06_AB.txt, test_07_AB.txt, test_08_AB.txt, test_09_AB.txt, test_10_AB.txt, test_11_AB.txt, test_12_AB.txt, test_13_AB.txt, test_14_AB.txt, test_15_AB.txt, test_16_AB.txt, test_17_AB.txt, test_18_AB.txt, test_19_AB.txt, test_20_AB.txt, test_21_AB.txt, test_22_AB.txt, test_23_AB.txt, test_24_AB.txt, test_25_AB.txt, test_26_A.txt, test_27_A.txt, test_28_A.txt, test_29_A.txt, test_30_A.txt, test_31_A.txt, test_32_A.txt, test_33_A.txt, test_34_A.txt, test_35_A.txt, test_36_A.txt, test_37_A.txt, test_38_A.txt, test_39_A.txt, test_40_A.txt, test_41_AB.txt, test_42_A.txt, test_43_A.txt, test_44_A.txt, test_45_A.txt, test_46_A.txt, test_47_AB.txt, test_48_A.txt, test_49_A.txt, test_50_A.txt, test_51_A.txt
Case Name Status Exec Time Memory
sample_01.txt AC 176 ms 38256 KB
sample_02.txt AC 174 ms 38256 KB
sample_03.txt AC 174 ms 38256 KB
sample_04.txt AC 168 ms 38256 KB
sample_05.txt AC 167 ms 38256 KB
test_01_AB.txt AC 170 ms 38256 KB
test_02_AB.txt AC 168 ms 38256 KB
test_03_AB.txt AC 175 ms 38256 KB
test_04_AB.txt AC 176 ms 38384 KB
test_05_AB.txt AC 173 ms 38256 KB
test_06_AB.txt AC 173 ms 38256 KB
test_07_AB.txt AC 175 ms 38256 KB
test_08_AB.txt AC 174 ms 38256 KB
test_09_AB.txt AC 175 ms 38256 KB
test_10_AB.txt AC 173 ms 38256 KB
test_11_AB.txt AC 173 ms 38256 KB
test_12_AB.txt AC 176 ms 38384 KB
test_13_AB.txt AC 172 ms 38256 KB
test_14_AB.txt AC 173 ms 38256 KB
test_15_AB.txt AC 170 ms 38256 KB
test_16_AB.txt AC 173 ms 38256 KB
test_17_AB.txt AC 170 ms 38256 KB
test_18_AB.txt AC 170 ms 38256 KB
test_19_AB.txt AC 177 ms 38256 KB
test_20_AB.txt AC 172 ms 38256 KB
test_21_AB.txt AC 179 ms 38256 KB
test_22_AB.txt AC 173 ms 38256 KB
test_23_AB.txt AC 174 ms 38256 KB
test_24_AB.txt AC 176 ms 38256 KB
test_25_AB.txt AC 172 ms 38256 KB
test_26_A.txt AC 285 ms 45912 KB
test_27_A.txt AC 283 ms 45912 KB
test_28_A.txt AC 282 ms 45400 KB
test_29_A.txt AC 273 ms 45400 KB
test_30_A.txt AC 272 ms 45304 KB
test_31_A.txt AC 276 ms 45400 KB
test_32_A.txt AC 212 ms 43228 KB
test_33_A.txt AC 252 ms 44392 KB
test_34_A.txt AC 183 ms 38512 KB
test_35_A.txt AC 219 ms 41068 KB
test_36_A.txt AC 202 ms 40556 KB
test_37_A.txt AC 256 ms 44504 KB
test_38_A.txt AC 172 ms 38256 KB
test_39_A.txt AC 172 ms 38384 KB
test_40_A.txt AC 169 ms 38256 KB
test_41_AB.txt AC 172 ms 38256 KB
test_42_A.txt AC 260 ms 44392 KB
test_43_A.txt AC 174 ms 38256 KB
test_44_A.txt AC 219 ms 41324 KB
test_45_A.txt AC 182 ms 38256 KB
test_46_A.txt AC 187 ms 38512 KB
test_47_AB.txt AC 192 ms 38256 KB
test_48_A.txt AC 195 ms 38512 KB
test_49_A.txt AC 187 ms 38256 KB
test_50_A.txt AC 179 ms 38256 KB
test_51_A.txt AC 178 ms 38256 KB