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Wed Oct 11 2023 12:56:31 GMT+0000 (Coordinated Universal Time)
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@70da_vic2002
#include<bits/stdc++.h>
#include <iostream>
#include <vector>
#include <utility>
#include <iterator>
#include <algorithm>
#include <deque>
using namespace std;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
long long N,M ;
cin>>N>>M ;
string X ;
cin>>X ;
vector<long long >arr(26,0) ;
for(auto i:X){
arr[i-'a']++ ;
}
int K=0 ;
while(1){
if(M==0 ||K==26){
break;
}
if(arr[K]==0){
K++ ;
continue ;
}
for(long long J=0 ;J<N ;J++){
if(X[J]==K+'a'){
X[J]='1' ;
M-- ;
arr[K]-- ;
break ;
}
}
}
for(long long i=0 ;i<N ;i++){
if(X[i]!='1'){
cout<<X[i];
}
}
return 0;
}
content_copyCOPY
https://www.programiz.com/cpp-programming/online-compiler/
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