結果
問題 | No.2319 Friends+ |
ユーザー | yupooh |
提出日時 | 2023-05-26 23:13:09 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,034 bytes |
コンパイル時間 | 1,599 ms |
コンパイル使用メモリ | 81,820 KB |
実行使用メモリ | 92,400 KB |
最終ジャッジ日時 | 2024-06-07 08:52:26 |
合計ジャッジ時間 | 14,977 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 43 ms
54,804 KB |
testcase_01 | AC | 43 ms
54,932 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | AC | 236 ms
92,332 KB |
testcase_05 | WA | - |
testcase_06 | AC | 232 ms
92,400 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 42 ms
55,912 KB |
testcase_18 | AC | 184 ms
78,268 KB |
testcase_19 | AC | 222 ms
82,772 KB |
testcase_20 | AC | 265 ms
78,336 KB |
testcase_21 | AC | 267 ms
78,472 KB |
testcase_22 | AC | 266 ms
78,656 KB |
testcase_23 | AC | 265 ms
79,988 KB |
testcase_24 | AC | 273 ms
78,620 KB |
testcase_25 | AC | 270 ms
79,188 KB |
testcase_26 | AC | 277 ms
78,280 KB |
testcase_27 | AC | 267 ms
78,844 KB |
testcase_28 | AC | 278 ms
78,584 KB |
testcase_29 | AC | 281 ms
78,396 KB |
testcase_30 | AC | 261 ms
78,140 KB |
testcase_31 | AC | 265 ms
78,556 KB |
testcase_32 | AC | 267 ms
78,776 KB |
testcase_33 | AC | 267 ms
78,300 KB |
testcase_34 | AC | 259 ms
78,456 KB |
testcase_35 | AC | 261 ms
78,552 KB |
testcase_36 | AC | 218 ms
83,004 KB |
testcase_37 | AC | 218 ms
92,156 KB |
testcase_38 | AC | 272 ms
83,424 KB |
testcase_39 | AC | 268 ms
82,116 KB |
testcase_40 | AC | 274 ms
83,268 KB |
testcase_41 | AC | 272 ms
82,824 KB |
testcase_42 | AC | 273 ms
82,744 KB |
testcase_43 | AC | 269 ms
82,960 KB |
testcase_44 | AC | 263 ms
83,004 KB |
testcase_45 | AC | 257 ms
82,784 KB |
testcase_46 | AC | 223 ms
92,064 KB |
ソースコード
import sys input = sys.stdin.readline n,m=map(int,input().split()) p=list(map(int,input().split())) 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()) uf=UnionFind(n) for _ in range(m): a,b=map(int,input().split()) uf.union(a-1,b-1) memo=[] memocnt=[] dic=[0]*n tmp=0 for l in list(uf.all_group_members().values()): se=set() cnt=defaultdict(int) for i in l: se.add(p[i]) cnt[p[i]]+=1 dic[i]=tmp memo.append(se) memocnt.append(cnt) tmp+=1 q=int(input()) for _ in range(q): x,y=map(int,input().split()) x-=1 y-=1 if p[x]==p[y]: print("No") continue if p[y] not in memo[dic[x]]: print("No") continue memocnt[dic[x]][p[x]]-=1 if memocnt[dic[x]][p[x]]==0: memo[dic[x]].remove(p[x]) p[x]=p[y] memocnt[dic[x]][p[x]]+=1 print("Yes")