結果

問題 No.2387 Yokan Factory
ユーザー cleantted
提出日時 2023-06-14 05:09:43
言語 PyPy3
(7.3.15)
結果
TLE  
実行時間 -
コード長 2,191 bytes
コンパイル時間 283 ms
コンパイル使用メモリ 82,516 KB
実行使用メモリ 402,012 KB
最終ジャッジ日時 2024-06-23 20:13:47
合計ジャッジ時間 10,031 ms
ジャッジサーバーID
(参考情報)
judge4 / judge1
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 12 TLE * 1 -- * 22
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 #

# import bisect
import copy
import heapq
import itertools
import math
import operator
import random
import sys
from bisect import bisect, bisect_left, bisect_right, insort
from collections import Counter, deque
from fractions import Fraction
from functools import cmp_to_key, lru_cache, partial
from inspect import currentframe
from math import ceil, gcd, log10, pi, sqrt
from typing import Iterable, Iterator, List, Tuple, TypeVar, Union

# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
# import string
# import networkx as nx
input = sys.stdin.readline
sys.setrecursionlimit(10000000)
# mod = 10 ** 9 + 7
mod = 998244353
# mod = 1 << 128
# mod = 10 ** 30 + 1
INF = 1 << 61
DIFF = 10 ** -9
DX = [1, 0, -1, 0, 1, 1, -1, -1]
DY = [0, 1, 0, -1, 1, -1, 1, -1]

def read_values(): return tuple(map(int, input().split()))
def read_index(): return tuple(map(lambda x: int(x) - 1, input().split()))
def read_list(): return list(read_values())
def read_lists(N): return [read_list() for _ in range(N)]
def dprint(*values): print(*values, file=sys.stderr)
def dprint2(*values):
    names = {id(v): k for k, v in currentframe().f_back.f_locals.items()}
    dprint(", ".join(f"{names.get(id(value), '???')}={repr(value)}" for value in values))


# 大きさと距離をもつダイクストラ O((XN + M) log(XN))
def fake1():
    N, M, X = read_values() 
    L = read_lists(M)

    G = [[] for _ in range(N)]

    for u, v, a, b in L:
        u -= 1
        v -= 1
        G[u].append((b, v, a))
        G[v].append((b, u, a))

    S = [(-INF, 0, 0)]
    seen = set()
    D = {}
    D[(0, INF)] = 0
    while S:
        t, c, i = heapq.heappop(S)
        t = -t
        if (i, t) in seen:
            continue
        seen.add((i, t))

        if i == N - 1:
            print(t)
            return
        
        for b, j, a in G[i]:
            t2 = min(t, b)
            if (j, t2) in seen:
                continue
            if c + a > X:
                continue
            if (j, t2) in D and D[(j, t2)] <= c + a:
                continue
            D[(j, t2)] = c + a

            heapq.heappush(S, (-t2, c + a, j))

    print(-1)


if __name__ == "__main__":
    fake1()
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