Submission #739948

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
739948	2023-05-11 17:49:33	amirhoseinfar1385	회문 (APIO14_palindrome)	C++17	100 / 100	42 ms	36208 KiB

palindrome

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
//thanks sohsoh :)
#include<bits/stdc++.h>
using namespace std;
string s;
const int maxn=300000+10,maxl=27;
int nxt[maxn][maxl],cnt[maxn],f[maxn],len[maxn],now=0,sz=2;
void solve(int ind){
  while(s[ind-len[now]-1]!=s[ind]){
  //  cout<<ind<<" "<<now<<" "<<len[now]<<"\n";
    now=f[now];
  }
  //cout<<"salam "<<ind<<" "<<now<<" "<<len[now]<<"\n";
  int c=s[ind]-'a';
  if(nxt[now][c]==0){
    nxt[now][c]=sz;
    len[sz]=len[now]+2;
    now=f[now];
    while(s[ind-len[now]-1]!=s[ind]){
      now=f[now];
    }
    if(len[sz]>1){
      f[sz]=nxt[now][c];
    }
    else{
      f[sz]=1;
    }
    now=sz;
    cnt[now]++;
    sz++;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 24 / 24
• Subtask 4: 26 / 26
• Subtask 5: 27 / 27