计算输入的数字各位数字之和

输入:12
输出:3

#include<stdio.h>
int main()
{
	int n,sum=0;
	while(scanf("%d",&n)!=EOF)
	{
		sum=0;
		while(n!=0)
		{
			sum+=n%10;
			n=n/10;
		}
		printf("%d\n",sum);
	}
return 0;
}

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转载自blog.csdn.net/qq_43813373/article/details/85249163