結果
問題 | No.1153 ねこちゃんゲーム |
ユーザー | tamato |
提出日時 | 2020-08-07 23:00:16 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 874 ms / 2,500 ms |
コード長 | 2,469 bytes |
コンパイル時間 | 167 ms |
コンパイル使用メモリ | 82,432 KB |
実行使用メモリ | 209,000 KB |
最終ジャッジ日時 | 2024-09-24 23:32:23 |
合計ジャッジ時間 | 35,270 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 | 44 ms
54,272 KB |
testcase_01 | AC | 44 ms
54,272 KB |
testcase_02 | AC | 62 ms
65,536 KB |
testcase_03 | AC | 62 ms
65,792 KB |
testcase_04 | AC | 61 ms
66,048 KB |
testcase_05 | AC | 65 ms
65,536 KB |
testcase_06 | AC | 61 ms
65,664 KB |
testcase_07 | AC | 866 ms
201,628 KB |
testcase_08 | AC | 779 ms
183,196 KB |
testcase_09 | AC | 812 ms
201,116 KB |
testcase_10 | AC | 770 ms
183,408 KB |
testcase_11 | AC | 818 ms
201,456 KB |
testcase_12 | AC | 813 ms
200,688 KB |
testcase_13 | AC | 744 ms
183,664 KB |
testcase_14 | AC | 787 ms
201,972 KB |
testcase_15 | AC | 778 ms
183,004 KB |
testcase_16 | AC | 804 ms
202,864 KB |
testcase_17 | AC | 818 ms
202,328 KB |
testcase_18 | AC | 783 ms
184,300 KB |
testcase_19 | AC | 839 ms
199,396 KB |
testcase_20 | AC | 792 ms
184,804 KB |
testcase_21 | AC | 813 ms
199,660 KB |
testcase_22 | AC | 814 ms
199,032 KB |
testcase_23 | AC | 796 ms
181,816 KB |
testcase_24 | AC | 807 ms
200,152 KB |
testcase_25 | AC | 846 ms
184,036 KB |
testcase_26 | AC | 874 ms
201,068 KB |
testcase_27 | AC | 772 ms
207,576 KB |
testcase_28 | AC | 826 ms
188,892 KB |
testcase_29 | AC | 871 ms
207,196 KB |
testcase_30 | AC | 814 ms
189,404 KB |
testcase_31 | AC | 769 ms
209,000 KB |
testcase_32 | AC | 575 ms
196,372 KB |
testcase_33 | AC | 549 ms
179,208 KB |
testcase_34 | AC | 576 ms
196,440 KB |
testcase_35 | AC | 519 ms
177,288 KB |
testcase_36 | AC | 553 ms
195,436 KB |
testcase_37 | AC | 289 ms
171,476 KB |
testcase_38 | AC | 292 ms
173,656 KB |
testcase_39 | AC | 326 ms
203,212 KB |
testcase_40 | AC | 295 ms
173,768 KB |
testcase_41 | AC | 293 ms
178,244 KB |
ソースコード
mod = 1000000007 eps = 10**-9 def main(): import sys from collections import deque input = sys.stdin.buffer.readline N, M = map(int, input().split()) A = list(map(int, input().split())) adj = [[] for _ in range(N+1)] for _ in range(N-1): a, b = map(int, input().split()) adj[a].append(b) adj[b].append(a) def mex(dic): for i in range(N+1): if i not in dic: return i else: if dic[i] == 0: return i que = deque() que.append(1) seen = [-1] * (N+1) seen[1] = 0 par = [0] * (N+1) child = [[] for _ in range(N+1)] seq = [] while que: v = que.popleft() seq.append(v) for u in adj[v]: if seen[u] == -1: seen[u] = seen[v] + 1 par[u] = v child[v].append(u) que.append(u) seq.reverse() G = [0] * (N+1) child_G = [{} for _ in range(N+1)] for v in seq: for u in child[v]: g = G[u] if g in child_G[v]: child_G[v][g] += 1 else: child_G[v][g] = 1 for i in range(N+1): if i not in child_G[v]: G[v] = i break #print(G) G_ori = G[:] GG = G[:] seq.reverse() for v in seq: if v == 1: continue p = par[v] gv = G[v] gp = G[p] if child_G[p][gv] != 1: GG[v] = gp if gp in child_G[v]: child_G[v][gp] += 1 else: child_G[v][gp] = 1 else: child_G[p][gv] -= 1 gp_new = mex(child_G[p]) GG[v] = gp_new if gp_new in child_G[v]: child_G[v][gp_new] += 1 else: child_G[v][gp_new] = 1 G[v] = mex(child_G[v]) child_G[p][gv] += 1 g = 0 for a in A: g ^= G[a] if g == 0: print(-1, -1) else: #print(G) #print(g) cat = {x: i+1 for i, x in enumerate(A)} for v in cat: for u in child[v]: if G[v] ^ G_ori[u] == g: print(cat[v], u) exit() p = par[v] if G[v] ^ GG[v] == g: print(cat[v], p) exit() if __name__ == '__main__': main()