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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4. int main(){
  5.  
  6. 	int k;
  7. 	cin>>k;
  8. 	string a;
  9. 	cin>>a;
  10. 	int count[26];
  11. 	int l=a.size();
  12. 	if(l%k!=0 || l<k){
  13. 		cout<<-1;
  14. 		return 0;
  15. 	}
  16.  
  17. 	for(int i=0;i<26;i++)
  18. 		count[i]=0;
  19.  
  20. 	for(int i=0;i<l;i++){
  21. 		count[a[i]-97]++;
  22.  
  23. 	}
  24.  
  25.  
  26.  
  27.  
  28. 	for(int i=0;i<26;i++){
  29. 		if(count[i]%k!=0 && count[i]!=0){
  30. 			cout<<-1;
  31. 			return 0;
  32. 		}}
  33. 		int pos=0;
  34.  
  35. 		for(int i=0;i<l;pos++){
  36.  
  37. 			if(count[pos]%k==0 && count[pos]!=0){
  38. 				for(int j=0;j<count[pos]/k;j++)
  39. 					cout<<(char)(pos+97);
  40. 				i++;
  41. 				}
  42. 			if(pos==25)
  43. 				pos=-1;
  44.  
  45.  
  46. 		}
  47. 		return 0;
  48. 	}
  49.  
  50.  
Success #stdin #stdout 0s 3472KB
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https://ideone.com/mMHakc
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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