Saleh127

Untitled

May 12th, 2020
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  1. #include<iostream>
  2. #include<string>
  3. using namespace std;
  4. int main(){
  5. int n,k;
  6. string s;
  7. cin>>n>>k>>s;
  8. int sign;
  9. for(int i=0;i<n;i++){
  10. if(s.substr(0,i)==s.substr(n-i,i)){
  11. sign = i;
  12. }
  13. }
  14. for(int i=0;i<k-1;i++){
  15. cout<<s.substr(0,n-sign);
  16. }
  17. cout<<s<<endl;
  18. return 0;
  19. }
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