PAT甲级1002
·
#include<iostream>
using namespace std;
int main()
{
int a,sum = 0,num;
cin>>a;
while(a != 0)
{
num = a % 10;
sum =sum + num;
a = a/10;
}
//int sum1,sum2,sum3;
//sum1 = sum/100;
//sum2 = (sum - 100*sum1)/10;
//sum3 = sum % 10;
cout<<sum<<endl;
return 0;
}
会输出46因为int值表示范围问题
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