[백준] 2475.검증수(Java8)

 문제 

 풀이 

package solved1;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) throws IOException{
		//검증수
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine()," ");
		
		int num;
		int su = 0;
		
		for(int i = 0; i < 5; i++) {
			num = Integer.parseInt(st.nextToken());
			su += num * num;
		}
		
		System.out.println(su % 10);
		br.close();

	}

}

 출처 

2475번: 검증수