Option Base 1
Private Sub Command1_Click()
n = InputBox("请输入一个正整数")
For i = 1 To Len(n)
Sum = Sum + Val(Mid(n, i, 1))
Next
Print Sum
End Sub
最简单的方法
#include
int main()
{
int n,s=0;
scanf("%d",&n);
while(n>9)
{
s=s+n%10;
n=n/10;
}
printf("%d",s+n);
return 0;
}