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 22:27:10 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 1,377 ms / 2,500 ms |
| コード長 | 2,138 bytes |
| コンパイル時間 | 405 ms |
| コンパイル使用メモリ | 82,552 KB |
| 実行使用メモリ | 102,964 KB |
| 最終ジャッジ日時 | 2024-09-28 21:01:26 |
| 合計ジャッジ時間 | 19,595 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 22 |
ソースコード
class UnionFind:
def __init__(self, n, w=None):
self.par = [-1]*n
self.rank = [0]*n
self.siz = [1]*n
self.cnt = n
self.min_node = [i for i in range(n)]
self.weight = w if w else [1]*n
def root(self, x):
if self.par[x] == -1:
return x
self.par[x] = self.root(self.par[x])
return self.par[x]
def issame(self, x, y):
return self.root(x) == self.root(y)
def unite(self, x, y):
px = self.root(x)
py = self.root(y)
if px == py:
return False
if self.rank[px] < self.rank[py]:
px, py = py, px
self.par[py] = px
if self.rank[px] == self.rank[py]:
self.rank[px] += 1
self.siz[px] += self.siz[py]
self.cnt -= 1
self.min_node[px] = min(self.min_node[px], self.min_node[py])
self.weight[px] += self.weight[py]
return False
def count(self):
return self.cnt
def min(self, x):
return self.min_node[self.root(x)]
def getweight(self, x):
return self.weight[self.root(x)]
def size(self, x):
return self.siz[self.root(x)]
import sys
input = sys.stdin.readline
N, M = map(int, input().split())
G = [[] for _ in range(N)]
AB = [list(map(int, input().split())) for _ in range(M)]
C = list(map(int, input().split()))
W = list(map(int, input().split()))
Q = int(input())
UV = [list(map(int, input().split())) for _ in range(Q)]
for i in range(M):
a, b = AB[i]
a-=1
b-=1
AB[i] = [a, b]
for i in range(N):
C[i]-=1
for i in range(Q):
u, v = UV[i]
u-=1
v-=1
UV[i] = [u, v]
INF = 10**12
ans = [INF for _ in range(Q)]
for i in range(1, 1<<10):
UF = UnionFind(N)
for a, b in AB:
if (i>>C[a])&1 and (i>>C[b])&1:
UF.unite(a, b)
cost = 0
for j in range(10):
if (i>>j)&1:
cost += W[j]
for j in range(Q):
u, v = UV[j]
if UF.issame(u, v):
ans[j] = min(ans[j], cost)
for a in ans:
if a==INF:
print(-1)
else:
print(a)