2076. Process Restricted Friend Requests
Содержание
class Solution:
def friendRequests(
self, n: int, restrictions: List[List[int]], requests: List[List[int]]
) -> List[bool]:
p = list(range(n))
def find(x):
if p[x] != x:
p[x] = find(p[x])
return p[x]
res = []
i = 0
for u, v in requests:
if find(u) == find(v):
res.append(True)
else:
valid = True
for x, y in restrictions:
if (find(u) == find(x) and find(v) == find(y)) or (
find(u) == find(y) and find(v) == find(x)
):
valid = False
break
res.append(valid)
if valid:
p[find(u)] = find(v)
return res