#include <stdio.h>int main(){int n,sum=0;scanf("%d",&n);while(n!=0){sum+=n%10;n/=10;}printf("%d\n",sum);return 0;}
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时间：2023-05-11 15:48:33
#include <stdio.h>int main(){int n,sum=0;scanf("%d",&n);while(n!=0){sum+=n%10;n/=10;}printf("%d\n",sum);return 0;}
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