結果
問題 | No.2020 Sum of Common Prefix Length |
ユーザー | souta-1326 |
提出日時 | 2022-07-12 22:56:36 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 841 ms / 2,000 ms |
コード長 | 2,159 bytes |
コンパイル時間 | 350 ms |
コンパイル使用メモリ | 82,560 KB |
実行使用メモリ | 274,280 KB |
最終ジャッジ日時 | 2024-06-23 21:04:27 |
合計ジャッジ時間 | 24,161 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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 | 210 ms
171,668 KB |
testcase_01 | AC | 185 ms
171,728 KB |
testcase_02 | AC | 177 ms
171,644 KB |
testcase_03 | AC | 255 ms
190,064 KB |
testcase_04 | AC | 257 ms
190,004 KB |
testcase_05 | AC | 257 ms
190,552 KB |
testcase_06 | AC | 260 ms
190,044 KB |
testcase_07 | AC | 476 ms
210,148 KB |
testcase_08 | AC | 482 ms
210,372 KB |
testcase_09 | AC | 488 ms
210,240 KB |
testcase_10 | AC | 497 ms
210,404 KB |
testcase_11 | AC | 495 ms
210,252 KB |
testcase_12 | AC | 496 ms
210,656 KB |
testcase_13 | AC | 502 ms
210,412 KB |
testcase_14 | AC | 493 ms
210,376 KB |
testcase_15 | AC | 841 ms
274,280 KB |
testcase_16 | AC | 808 ms
274,176 KB |
testcase_17 | AC | 572 ms
221,684 KB |
testcase_18 | AC | 541 ms
214,944 KB |
testcase_19 | AC | 551 ms
216,464 KB |
testcase_20 | AC | 637 ms
245,656 KB |
testcase_21 | AC | 715 ms
241,496 KB |
testcase_22 | AC | 755 ms
241,420 KB |
testcase_23 | AC | 706 ms
240,456 KB |
testcase_24 | AC | 720 ms
245,496 KB |
testcase_25 | AC | 727 ms
245,520 KB |
testcase_26 | AC | 484 ms
222,528 KB |
testcase_27 | AC | 178 ms
171,672 KB |
testcase_28 | AC | 590 ms
229,864 KB |
testcase_29 | AC | 584 ms
233,796 KB |
testcase_30 | AC | 589 ms
229,340 KB |
testcase_31 | AC | 598 ms
242,784 KB |
testcase_32 | AC | 608 ms
245,728 KB |
testcase_33 | AC | 551 ms
226,372 KB |
testcase_34 | AC | 651 ms
241,028 KB |
testcase_35 | AC | 652 ms
241,200 KB |
testcase_36 | AC | 683 ms
258,516 KB |
testcase_37 | AC | 679 ms
248,628 KB |
ソースコード
import sys from copy import deepcopy readline = sys.stdin.readline class Fenwick_Tree: def __init__(self,N:int): self.N = N self.dat = [0]*(N+1) def inc(self,p:int): p += 1 while p <= self.N: self.dat[p] += 1 p += p&-p def dec(self,p:int): p += 1 while p <= self.N: self.dat[p] -= 1 p += p&-p def _sum(self,r:int): s = 0 while r: s += self.dat[r] r -= r&-r return s class EulerTour: def __init__(self,G): self.N = len(G) self.begin = [0]*self.N self.end = [0]*self.N self.B_v = Fenwick_Tree(self.N*2) cnt = 0 f = 0 itr = [0]*self.N par = [0]*self.N par[f] = -1 while f != -1: if itr[f] == 0: self.begin[f] = cnt;cnt+=1 if itr[f] == len(G[f]): self.end[f] = cnt;cnt+=1 f = par[f] continue par[G[f][itr[f]]] = f itr[f]+=1 f = G[f][itr[f]-1] def add(self,p:int): self.B_v.inc(self.begin[p]) self.B_v.dec(self.end[p]) def query(self,p:int): return self.B_v._sum(self.begin[p]+1) def main(): N = int(readline()) S = [list(map(lambda c:ord(c)-97,readline().rstrip())) for _ in range(N)] Q = int(readline()) T = [0]*Q X = [0]*Q C = [""]*Q for i in range(Q): I = readline().split() T[i] = int(I[0]);X[i] = int(I[1])-1 if T[i]==1:C[i] = ord(I[2][0])-97 len_node = 1 nex = [[-1]*26 for i in range(400000)] S2 = deepcopy(S) for i in range(Q): if T[i] == 1: S2[X[i]].append(C[i]) for i in range(N): now_node = 0 for z in S2[i]: if nex[now_node][z] == -1: nex[now_node][z] = len_node len_node += 1 #nex.append([-1]*26) now_node = nex[now_node][z] V = len_node Eul = EulerTour([[elem for elem in nex[i] if elem != -1] for i in range(V)]) now_nodes = [0]*N for i in range(N): for z in S[i]: now_nodes[i] = nex[now_nodes[i]][z] Eul.add(now_nodes[i]) for i in range(Q): if T[i] == 1: now_nodes[X[i]] = nex[now_nodes[X[i]]][C[i]] Eul.add(now_nodes[X[i]]) else: print(Eul.query(now_nodes[X[i]])) if __name__ == "__main__": main()