結果

問題 No.2020 Sum of Common Prefix Length
ユーザー souta-1326souta-1326
提出日時 2022-06-06 19:09:35
言語 PyPy3
(7.3.15)
結果
TLE  
(最新)
AC  
(最初)
実行時間 -
コード長 2,236 bytes
コンパイル時間 267 ms
コンパイル使用メモリ 86,980 KB
実行使用メモリ 325,436 KB
最終ジャッジ日時 2023-09-05 15:40:22
合計ジャッジ時間 25,293 ms
ジャッジサーバーID
(参考情報)
judge14 / judge12
このコードへのチャレンジ
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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 73 ms
71,400 KB
testcase_01 AC 70 ms
71,480 KB
testcase_02 AC 72 ms
71,536 KB
testcase_03 AC 137 ms
79,448 KB
testcase_04 AC 138 ms
79,516 KB
testcase_05 AC 137 ms
79,384 KB
testcase_06 AC 133 ms
79,328 KB
testcase_07 AC 355 ms
96,576 KB
testcase_08 AC 350 ms
96,728 KB
testcase_09 AC 355 ms
96,916 KB
testcase_10 AC 361 ms
96,668 KB
testcase_11 AC 340 ms
96,976 KB
testcase_12 AC 345 ms
96,924 KB
testcase_13 AC 345 ms
96,892 KB
testcase_14 AC 349 ms
96,936 KB
testcase_15 AC 462 ms
139,660 KB
testcase_16 AC 461 ms
139,572 KB
testcase_17 AC 502 ms
153,460 KB
testcase_18 AC 447 ms
132,852 KB
testcase_19 AC 452 ms
137,552 KB
testcase_20 AC 796 ms
255,020 KB
testcase_21 AC 694 ms
223,444 KB
testcase_22 AC 674 ms
223,460 KB
testcase_23 AC 686 ms
222,564 KB
testcase_24 AC 709 ms
237,620 KB
testcase_25 AC 723 ms
235,440 KB
testcase_26 AC 1,735 ms
261,236 KB
testcase_27 AC 70 ms
71,276 KB
testcase_28 AC 408 ms
110,936 KB
testcase_29 AC 414 ms
112,264 KB
testcase_30 AC 413 ms
109,668 KB
testcase_31 AC 1,232 ms
273,920 KB
testcase_32 TLE -
testcase_33 TLE -
testcase_34 AC 496 ms
137,804 KB
testcase_35 AC 499 ms
138,296 KB
testcase_36 AC 1,195 ms
237,388 KB
testcase_37 AC 533 ms
159,356 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import sys
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
  sum = lambda self,l,r:self._sum(r)-self._sum(l)

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(0,self.begin[p]+1)

def main():
  N = int(readline())
  S = [readline().rstrip() for _ in range(N)]
  Q = int(readline())
  T = [0]*Q
  X = [0]*Q
  C = [""]*Q
  for i in range(Q):
    I = readline().rstrip().split()
    T[i] = int(I[0]);X[i] = int(I[1])-1
    if T[i]==1:C[i] = I[2]
  
  path = [[0] for _ in range(N)]
  node = [""]
  nex = [[-1]*26]
  S2 = S[:]
  for i in range(Q):
    if T[i] == 1:
      S2[X[i]] += C[i]
  for i in range(N):
    now_node = 0
    for c in S2[i]:
      z = ord(c)-97
      if nex[now_node][z] == -1:
        nex[now_node][z] = len(node)
        node.append(c)
        nex.append([-1]*26)
      now_node = nex[now_node][z]
      path[i].append(now_node)
  
  V = len(node)
  G = [[] for _ in range(V)]
  for i in range(V):
    for j in range(26):
      if nex[i][j] != -1:
        G[i].append(nex[i][j])
  Eul = EulerTour(G)
  len_S = list(map(len,S))
  for i in range(N):
    for j in range(len_S[i]):Eul.add(path[i][j+1])
  for i in range(Q):
    if T[i] == 1:
      len_S[X[i]] += 1
      Eul.add(path[X[i]][len_S[X[i]]])
    else:
      print(Eul.query(path[X[i]][len_S[X[i]]]))

if __name__ == "__main__":
  main()
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