8_15.cpp

C程序参考,简单易懂,是初学者不可少的参考资料

#include<stdio.h>
int weisuhe(int k)
{  int s=0;
   while(k)
   {  s=s+k%10;
      k=k/10;
   }
   return(s);
	  }
main()
{  int m,sum;
   scanf("%d",&m);
   sum=weisuhe(m);
   printf("number is %d,sum is %d\n",m,sum);

}