In string compression problem
I solved using map but it is not accepting. Please look code.
#include<bits/stdc++.h>
using namespace std;
int main() {
string s;
cin>>s;
map<char,int> hash;
for(int i=0;i<s.size();i++){
hash[s[i]]++;
}
for( auto i:hash){
cout<<i.first<<i.second;
}
return 0;
}
