Solution :
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| ///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; | |
| } |
