题解 | 求四位数各个数位之和
求四位数各个数位之和
https://www.nowcoder.com/practice/91fd90931d2847b5855075c11cf90d08
#include <iostream>
#include <cmath>
using namespace std;
int main() {
int a;
cin>>a;
int b=a%10;
int e=a/1000;
int d=a/100-10*e;
int c=a/10-100*e-10*d;
int f=b+c+d+e;
cout<<f;
return 0;
}
