백준 3052번

원본 : acmicpc.net/problem/3052

3052번: 나머지

 

풀이

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.ArrayList;

public class Main {

	public static void main(String[] args) throws Exception {
		
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
		
		int n = 10;
		int mod[] = new int[n];
		int modCount = n;
		
		for (int i = 0; i < n; i++) {
			mod[i] = Integer.parseInt(reader.readLine()) % 42;
		}
		
		for (int i = 0; i < n; i++) {
			int count = 0;
			for (int j = i + 1; j < n; j++) {
				if (mod[i] == mod[j]) {
					count++;
				}
			}
			if (count > 0) {
				modCount--;
			}
		}
		
		writer.write(String.valueOf(modCount));
		
		writer.flush();
	}

}