题解 | #数字之和#
数字之和
https://www.nowcoder.com/practice/ae759916631f4711a90c4d4d9657f4b0
#include <cstdio>
using namespace std;
int sumnum(int n){
int sum=0;
while (n>0){
sum=sum+n%10;
n=n/10;
}
return sum;
}
int main(){
int arr;
while (scanf("%d",&arr)!=EOF){
printf("%d %d\n", sumnum(arr), sumnum(arr*arr));
}
}
