結果

問題 No.92 逃走経路
ユーザー tonnnura172
提出日時 2020-05-08 16:37:32
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 570 ms / 5,000 ms
コード長 1,299 bytes
コンパイル時間 278 ms
コンパイル使用メモリ 82,412 KB
実行使用メモリ 85,036 KB
最終ジャッジ日時 2024-07-03 09:53:05
合計ジャッジ時間 5,752 ms
ジャッジサーバーID
(参考情報)
judge4 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 18
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import sys, re
from collections import deque, defaultdict, Counter
from math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians, gcd, log
from itertools import accumulate, permutations, combinations, product
from operator import itemgetter, mul, add
from copy import deepcopy
from string import ascii_lowercase, ascii_uppercase, digits
from bisect import bisect, bisect_left
from heapq import heappush, heappop
from functools import reduce, lru_cache
def input(): return sys.stdin.readline().strip()
def INT(): return int(input())
def MAP(): return map(int, input().split())
def LIST(): return list(map(int, input().split()))
def ZIP(n): return zip(*(MAP() for _ in range(n)))
sys.setrecursionlimit(10 ** 9)
INF = float('inf')
mod = 10 ** 9 + 7
N, M, K = MAP()
abc = [LIST() for _ in range(M)]
d = LIST()
graph = [[] for _ in range(N)]
for a, b, c in abc:
graph[a-1].append((b-1, c))
graph[b-1].append((a-1, c))
memo = [[0]*(K+1) for _ in range(N+1)]
def DFS(n, step):
if memo[n][step]: return True
if step == K:
ans.add(n+1)
return True
ret = False
for node, w in graph[n]:
if step <= K-1 and w == d[step]:
if DFS(node, step+1): ret = True
memo[n][step] = ret
return ret
ans = set()
for i in range(N):
DFS(i, 0)
ans = list(ans)
print(len(ans))
print(*sorted(ans))
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