import java.util.Scanner;
/**
* @author ellen
* @date 2020-01-08 17:18
* @description
*/
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while(scanner.hasNextInt()) {
int n = scanner.nextInt();
System.out.print(getSum(n) + " ");
System.out.print(getSum(n * n));
System.out.println();
}
scanner.close();
}
private static int getSum(int n) {
if(n / 10 == 0){
return n;
}
return getSum(n / 10) + (n % 10);
}
}
数字之和
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转载自blog.csdn.net/qq_44057443/article/details/103914093
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