[백준] 10807 : 개수 세기

문제

https://www.acmicpc.net/problem/10807

10807번: 개수 세기

 

코드

import java.util.*;
import java.io.*;

class Main {	
	
	public static void main(String args[]) throws Exception{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int n = Integer.parseInt(br.readLine());
		
		int arr [] = new int [202];
		
		StringTokenizer st = new StringTokenizer(br.readLine());
		for(int i=0;i<n;i++) {
			int num = Integer.parseInt(st.nextToken());
			arr[num+100] +=1;
		}
		
		int idx = Integer.parseInt(br.readLine());
		
		System.out.print(arr[idx+100]);
		
	}

}