[3052]나머지(Modulo)

문제

https://www.acmicpc.net/problem/3052

풀이

import java.util.Arrays;
import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int count = 1;
        int[] remain = new int[10];
        for(int i=0;i<10;i++) {
            int num = scan.nextInt();
            remain[i] = num%42;
        }
        Arrays.sort(remain);
        for(int i=0; i<9; i++) {
            if(remain[i]!=remain[i+1]) {
                count++;
            }
        }
        
        System.out.println(count);
    }
}