题解 | 数字之和
数字之和
https://www.nowcoder.com/practice/ae759916631f4711a90c4d4d9657f4b0
#include <iostream>
using namespace std;
int func(long long n) {
int res = 0;
while (n) {
res += n % 10;
n /= 10;
}
return res;
}
int main() {
long long n;
while (cin >> n) {
cout << func(n) << " " << func(n * n) << endl;
}
}
