結果
| 問題 |
No.2387 Yokan Factory
|
| コンテスト | |
| 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 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 12 TLE * 1 -- * 22 |
ソースコード
# 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()
cleantted