My issue
My code
// Update the code below to solve the problem
#include <stdio.h>
#include <string.h>
int main() {
int t;
scanf("%d", &t);
for (int i=0; i<t;i++){
char S[1001], T[1001], M[1001];
scanf("%s %s", S, T);
int len=strlen(S);
for (int j=0;j<len;j++){
if (S[j]==T[j]){
M[j]="G";
}
else {
M[j]="B";
}
}
M[len]="\0";
printf("%s\n",M);
}
return 0;
}
Learning course: C for problem solving - 2
Problem Link: CodeChef: Practical coding for everyone