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
题干解读:给出一个四位数n, 要求求出他各个位数的数字的和.
思路:将每一位的数求出后相加即可
#include <iostream>
using namespace std;
int main() {
int n;
cin>>n;
int s1,s2,s3,s4;
s4 = n/1000;
s3 = (n/100)%10;
s2 = (n/10)%10;
s1 = n%10;
cout<<s1+s2+s3+s4;
}
