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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int N;string S;
  6.  
  7. int main() {
  8.     ios_base::sync_with_stdio(false);
  9.     cin.tie(NULL); cout.tie(NULL);
  10.  
  11.     cin>>N;
  12.     cin>>S;
  13.  
  14.     for(int i=1;i<=N;i++){
  15.         set<string> ms;
  16.         bool flag=true;
  17.  
  18.         for(int j=0;j+i-1<N;j++){
  19.             string cur=S.substr(j,i);
  20.             if(ms.find(cur)!=ms.end()){
  21.                 flag=false;
  22.                 break;
  23.             }
  24.  
  25.             ms.insert(cur);
  26.         }
  27.         if(flag){
  28.             cout<<i;
  29.             break;
  30.         }
  31.     }
  32.  
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/idKpdf
language:
C++ (gcc 8.3)
created:
10 hours ago
visibility:
public

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