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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. set<int>s;
  5.  
  6. bool is(int x){
  7.  
  8.     s.clear();
  9.  
  10.     for(int i=0;i<4;i++){
  11.         int b = x%10;
  12.         //cout<<b<<" ";
  13.         s.insert(b);
  14.         x=x/10;
  15.     }
  16.  
  17.     //cout<<s.size()<<"\n";
  18.  
  19.     if(s.size()==4) return true;
  20.     return false;
  21.  
  22. }
  23.  
  24. int main(){
  25.  
  26.  
  27.  
  28.     int b;
  29.     cin>>b;
  30.  
  31.     for(int i=b+1;i<=9000;i++){
  32.         if(is(i)){
  33.             cout<<i;
  34.             //cout<<"here\n";
  35.             break;
  36.         }
  37.     }
  38.  
  39.  
  40.     return 0;
  41.  
  42. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
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9000
stdout
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Standard output is empty
https://ideone.com/QxKZoG
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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