#include <stdio.h> int main() { int r,n,sum=0; scanf("%d",&n); while(n>0) { r=n%10; n=n/10; sum=sum+r; } printf("%d",sum); return 0; }
Output -
456 15
#include <stdio.h> int main() { int r,n,sum=0; scanf("%d",&n); while(n>0) { r=n%10; n=n/10; sum=sum+r; } printf("%d",sum); return 0; }
456 15
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