题解 | 数位之和
数位之和
https://www.nowcoder.com/practice/5e85cc26475449648e668aa98e92d05b
#include <iostream>
using namespace std;
int main() {
int n, sum = 0;
cin >> n;
while(n){
sum += n % 10;
n /= 10;
}
cout << sum;
return 0;
}
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