Error in this code? one test case is not running

#1

#include
#include

using namespace std;

void compression(char a[]){
int b[26]={0};
for(int i=0;i<strlen(a);i++){
int index=a[i]-‘a’;
b[index]++;
}
int j=0;
int k=0;
while(j<strlen(a)){
k=a[j]-‘a’;
if(a[j]!=a[j+1]&&b[k]>0){
cout<<a[j];
if(b[k]>1){
cout<<b[k];
b[k]=0;
}
}
j++;
}
}

int main() {
char a[1005];
cin.getline(a,1005);
compression(a);

return 0;

}

#2

Hi @umnah1103_2205d5eee7973385,
If the string is aabbcca

Your output: a3b2c2
Correct Output: a2b2c2a

#3

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