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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main( )
  4. {
  5. 	int  n,k,p;
  6. 	cin>>n>>k;
  7. 	string s;
  8. 	cin>>s;
  9. 	int cnt=0;
  10. 	int a[26];
  11. 	memset(a,0,sizeof(a));
  12. 	for(int i=0;i<n;i++){
  13. 		a[(int)s[i]-97]++;
  14. 	}
  15. 	for(int i=0;i<26;i++)
  16. 	{
  17. 		if(a[i]==k)++cnt;
  18. 	}
  19. 	if(cnt>0){
  20. 		//k er soman jinis ase
  21. 	for(int i=25;i>=0;i--){
  22. 		if(a[i]==k){
  23. 		    // cout<<i<<endl;
  24. 		    p=i;
  25. 			 break;	
  26. 		}
  27. 	}
  28. 	char ch= (char)(p+97);
  29. 	//cout<<ch<<endl;
  30. 	multiset<char>st;
  31. 	for(int i=0;i<n;i++){
  32. 		if(s[i]==ch) continue;
  33. 		st.insert(s[i]);
  34. 	}
  35. 	st.insert(ch);
  36.  
  37. 	set<char>::iterator itr=st.begin( );
  38. 	for(;itr!=st.end( );itr++){
  39. 		cout<<*itr;
  40. 	}
  41. 	}
  42. 	else{
  43. 		cout<<s<<endl;
  44. 	}
  45. 	return 0;
  46. }
Runtime error #stdin #stdout 0s 4372KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/TZBlo7
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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