UVA 11332 (summing digit ) solution in C

UVA 11332 (summing digit ) solution in C

///Author : Shohanur Rahaman
//Problem level : Easy
//UVA : 11332 (Summing Digits)

#include <stdio.h>

int main()
{
    int t;
    long long int n;

  while(scanf("%lld",&n)==1){
      if(n==0)
      break;

        t=0;
        while(1){

                while(n!=0){
                        t=t+(n%10);
                        n=n/10;
                }
                if(t/10==0)
                break;
                else{
                    n=t;
                    t=0;
                }
        }

        printf("%d\n",t);
  }

    return 0;
}

Thank you so much sir. This solution is so easy to understand.

Thank you so much sir. This solution is so easy to understand.

thank you