#include<bits/stdc++.h>
using namespace std;
void st(string str,int i){
str = str+str[i];
if(i == str.length()-1){
// out[j] = ‘\0’;
//cout<<out;
return;
}
if(str[i] == str[i+1]){
st(str,i+2);
}
st(str,i+1);
}
int main(){
string str;
cin>>str;
st(str,0);
cout<<str;
}
why is my code not giving any output
as you are doing changes on same string so you have to shift the string
if you want to do it like that you have to use another string
reference code if needed
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