結果
| 問題 | No.2630 Colorful Vertices and Cheapest Paths |
| コンテスト | |
| ユーザー |
nikoro256
|
| 提出日時 | 2024-02-16 22:16:06 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,662 bytes |
| 記録 | |
| コンパイル時間 | 327 ms |
| コンパイル使用メモリ | 82,620 KB |
| 実行使用メモリ | 408,724 KB |
| 最終ジャッジ日時 | 2024-09-28 20:52:20 |
| 合計ジャッジ時間 | 8,011 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 * 1 TLE * 1 -- * 20 |
ソースコード
from collections import defaultdict
class UnionFind():
def __init__(self, n):
self.n = n
self.parents = [-1] * n
def find(self, x):
if self.parents[x] < 0:
return x
else:
self.parents[x] = self.find(self.parents[x])
return self.parents[x]
def union(self, x, y):
x = self.find(x)
y = self.find(y)
if x == y:
return
if self.parents[x] > self.parents[y]:
x, y = y, x
self.parents[x] += self.parents[y]
self.parents[y] = x
def size(self, x):
return -self.parents[self.find(x)]
def same(self, x, y):
return self.find(x) == self.find(y)
def members(self, x):
root = self.find(x)
return [i for i in range(self.n) if self.find(i) == root]
def roots(self):
return [i for i, x in enumerate(self.parents) if x < 0]
def group_count(self):
return len(self.roots())
def all_group_members(self):
group_members = defaultdict(list)
for member in range(self.n):
group_members[self.find(member)].append(member)
return group_members
def __str__(self):
return '\n'.join(f'{r}: {m}' for r, m in self.all_group_members().items())
import sys
input=sys.stdin.readline
N,M=map(int,input().split())
uf=[[[] for _ in range(N)] for _ in range(2**10)]
exp2=[2**i for i in range(20)]
edges=[]
for _ in range(M):
a,b=map(int,input().split())
a-=1
b-=1
edges.append((a,b))
C=list(map(int,input().split()))
W=list(map(int,input().split()))
for a,b in edges:
ea=exp2[C[a]-1]
eb=exp2[C[b]-1]
for i in range(2**10):
if ea&i and eb&i:
uf[i][a].append(b)
uf[i][b].append(a)
dist=[[-1]*N for _ in range(2**10)]
from collections import deque
def bfs(i,s,c):
global dist
dq=deque()
dq.append([s,c])
dist[i][s]=c
while len(dq)!=0:
p,h=dq.popleft()
for e in uf[i][p]:
if dist[i][e]==-1:
dq.append([e,h])
dist[i][e]=h
return
for i in range(2**10):
count=0
for j in range(N):
if dist[i][j]==-1:
bfs(i,j,count)
count+=1
point=[0]*(2**10)
for i in range(2**10):
for j in range(10):
if i&exp2[j]:
point[i]+=W[j]
Q=int(input())
fa=[]
for _ in range(Q):
u,v=map(int,input().split())
u-=1
v-=1
ans=10**11
for i in range(2**10):
if dist[i][u]==dist[i][v]:
ans=min(ans,point[i])
if ans==10**11:
fa.append(-1)
else:
fa.append(ans)
print(*fa,sep='\n')
nikoro256