My 3rd test case if failing
#include<bits/stdc++.h>
using namespace std;
int main() {
string s;
cin >> s;
int le=s.length();
string w="";
int count=1;
for(int i=0;i<le;i++){
if(s[i]==s[i+1] && s[i+1]!='\0'){
count++;
}
else if(s[i]!=s[i+1] && s[i+1]!='\0'){
w+=s[i];
char digit=count+'0';
w+=digit;
count=1;
}
if(s[i+1]=='\0'){
w=w+s[i];
char digit=count+'0';
w+=digit;
}
}
cout << w << endl;
return 0;
}