結果
| 問題 |
No.2630 Colorful Vertices and Cheapest Paths
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-02-16 22:37:14 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 941 ms / 2,500 ms |
| コード長 | 1,880 bytes |
| コンパイル時間 | 362 ms |
| コンパイル使用メモリ | 82,492 KB |
| 実行使用メモリ | 84,028 KB |
| 最終ジャッジ日時 | 2024-09-28 21:12:42 |
| 合計ジャッジ時間 | 14,512 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 22 |
ソースコード
import sys
sys.setrecursionlimit(5*10**5)
input = sys.stdin.readline
from collections import defaultdict, deque, Counter
from heapq import heappop, heappush
from bisect import bisect_left, bisect_right
from math import gcd
from collections import defaultdict
class UnionFind:
def __init__(self, n):
self.n = n
self.p = [-1] * (n+1)
def find(self, x):
if self.p[x] < 0:
return x
else:
self.p[x] = self.find(self.p[x])
return self.p[x]
def union(self, x, y):
x = self.find(x)
y = self.find(y)
if x == y:
return
if self.p[x] > self.p[y]:
x, y = y, x
self.p[x] += self.p[y]
self.p[y] = x
def same(self, a, b):
return self.find(a) == self.find(b)
def group(self):
d = defaultdict(list)
for i in range(1, self.n+1):
par = self.find(i)
d[par].append(i)
return d
n,m = map(int,input().split())
colpair = [[[] for i in range(10)] for i in range(10)]
e = [list(map(int,input().split())) for i in range(m)]
c = list(map(int,input().split()))
w = list(map(int,input().split()))
c = [i-1 for i in c]
for i in range(m):
u, v= e[i]
colpair[c[u-1]][c[v-1]].append(i)
q = int(input())
qs = [list(map(int,input().split())) for i in range(q)]
ans = [10**15]*q
for bit in range(1<<10):
use = []
cost = 0
uf = UnionFind(n)
for i in range(10):
if (bit>>i) & 1:
use.append(i)
cost += w[i]
for c1 in use:
for c2 in use:
for i in colpair[c1][c2]:
u,v = e[i]
uf.union(u,v)
for i in range(q):
u,v = qs[i]
if uf.same(u,v):
ans[i] = min(ans[i], cost)
for i in ans:
if i == 10**15:
print(-1)
else:
print(i)