Sum of Digits

#include<bits/stdc++.h>
using namespace std;
int main(){
int t,n,sum,d;
cin >>t;
while(t--){
	cin >> n;
	sum=0;
	while(n>0){
	    d=n%10;
	    sum+=d;
	    n=n/10;
	}
	cout << sum << endl;
}
return 0;
}