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?tpId=383&tags=&title=&difficulty=0&judgeStatus=0&rp=0&sourceUrl=%2Fexam%2Foj%3Fpage%3D1%26tab%3D%25E7%25AE%2597%25E6%25B3%2595%25E5%25AD%25A6%25E4%25B9%25A0%25E7%25AF%2587%26topicId%3D383
#include <iostream>
using namespace std;
int main() {
int a, b;
cin >> a;
b = (a%10) + (a/10%10) + (a/100%10) + (a/1000);
cout << b <<endl;
return 0;
}
// 64 位输出请用 printf("%lld")
