This is the solution in Cpp

vector compareTriplets(vector a, vector b) { int alice=0; int bob=0;

for(int i=0;i<3;i++){
    if(a[i]>b[i]){
        alice+=1;
    }
    else if(a[i]<b[i]){
        bob+=1;
    }
}
 return {alice, bob};

}