結果
問題 | No.812 Change of Class |
ユーザー | kurimupy |
提出日時 | 2020-06-15 22:53:55 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,594 ms / 4,000 ms |
コード長 | 2,255 bytes |
コンパイル時間 | 151 ms |
コンパイル使用メモリ | 82,464 KB |
実行使用メモリ | 146,008 KB |
最終ジャッジ日時 | 2024-07-03 11:39:15 |
合計ジャッジ時間 | 39,507 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 743 ms
134,860 KB |
testcase_01 | AC | 196 ms
80,976 KB |
testcase_02 | AC | 444 ms
107,384 KB |
testcase_03 | AC | 861 ms
146,008 KB |
testcase_04 | AC | 765 ms
137,220 KB |
testcase_05 | AC | 1,594 ms
129,008 KB |
testcase_06 | AC | 1,207 ms
114,524 KB |
testcase_07 | AC | 129 ms
96,028 KB |
testcase_08 | AC | 78 ms
77,152 KB |
testcase_09 | AC | 1,412 ms
133,756 KB |
testcase_10 | AC | 1,442 ms
132,640 KB |
testcase_11 | AC | 312 ms
112,704 KB |
testcase_12 | AC | 954 ms
127,020 KB |
testcase_13 | AC | 41 ms
55,252 KB |
testcase_14 | AC | 41 ms
54,932 KB |
testcase_15 | AC | 991 ms
117,356 KB |
testcase_16 | AC | 184 ms
78,680 KB |
testcase_17 | AC | 936 ms
114,724 KB |
testcase_18 | AC | 756 ms
108,876 KB |
testcase_19 | AC | 837 ms
110,492 KB |
testcase_20 | AC | 1,494 ms
133,680 KB |
testcase_21 | AC | 752 ms
104,956 KB |
testcase_22 | AC | 410 ms
90,808 KB |
testcase_23 | AC | 166 ms
78,704 KB |
testcase_24 | AC | 204 ms
79,628 KB |
testcase_25 | AC | 343 ms
86,420 KB |
testcase_26 | AC | 1,247 ms
127,608 KB |
testcase_27 | AC | 1,183 ms
119,044 KB |
testcase_28 | AC | 778 ms
111,080 KB |
testcase_29 | AC | 285 ms
81,156 KB |
testcase_30 | AC | 1,022 ms
116,284 KB |
testcase_31 | AC | 845 ms
109,308 KB |
testcase_32 | AC | 502 ms
95,032 KB |
testcase_33 | AC | 954 ms
118,576 KB |
testcase_34 | AC | 202 ms
79,636 KB |
testcase_35 | AC | 325 ms
87,324 KB |
testcase_36 | AC | 181 ms
79,124 KB |
testcase_37 | AC | 562 ms
99,296 KB |
testcase_38 | AC | 180 ms
97,736 KB |
testcase_39 | AC | 518 ms
101,272 KB |
testcase_40 | AC | 255 ms
80,596 KB |
testcase_41 | AC | 161 ms
95,616 KB |
testcase_42 | AC | 1,044 ms
117,560 KB |
testcase_43 | AC | 396 ms
102,940 KB |
testcase_44 | AC | 723 ms
107,484 KB |
testcase_45 | AC | 190 ms
78,868 KB |
testcase_46 | AC | 377 ms
104,260 KB |
testcase_47 | AC | 728 ms
107,248 KB |
testcase_48 | AC | 797 ms
112,940 KB |
testcase_49 | AC | 273 ms
81,212 KB |
testcase_50 | AC | 95 ms
77,356 KB |
testcase_51 | AC | 334 ms
90,128 KB |
testcase_52 | AC | 554 ms
105,824 KB |
testcase_53 | AC | 234 ms
79,776 KB |
testcase_54 | AC | 208 ms
79,724 KB |
testcase_55 | AC | 535 ms
121,188 KB |
testcase_56 | AC | 609 ms
129,676 KB |
testcase_57 | AC | 639 ms
132,324 KB |
testcase_58 | AC | 388 ms
106,624 KB |
testcase_59 | AC | 716 ms
145,080 KB |
testcase_60 | AC | 39 ms
55,560 KB |
testcase_61 | AC | 40 ms
55,712 KB |
testcase_62 | AC | 40 ms
55,312 KB |
ソースコード
#change of class from collections import deque import math class UnionFind(): def __init__(self, n): self.n = n self.parents = [-1] * (n+1) 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 + 1) 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): return {r: self.members(r) for r in self.roots()} def __str__(self): return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) N, M = map(int, input().split()) graph = [[] for i in range(N+1)] Uni = UnionFind(N) for i in range(M): p, q = map(int, input().split()) graph[p].append(q) graph[q].append(p) Uni.union(p,q) Q = int(input()) que = [] for _ in range(Q): x = int(input()) que.append(x) for i in range(Q): s_node = que[i] visited = [False for i in range(N+1)] distance = [float("inf") for i in range(N+1)] d = deque() e = deque() d.append(s_node) distance[s_node] = 0 visited[s_node]=True while d: while d: x = d.popleft() for node in graph[x]: if visited[node] == False: visited[node] = True distance[node] = distance[x]+1 e.append(node) if e: d = e e = deque() ans = 0 for node in Uni.members(s_node): if node!=s_node: ans = max(ans, math.ceil(math.log2(distance[node]))) print(Uni.size(s_node)-1,ans)