Implementação em java do problema do URI 2663 - Fase

Main.java

import java.io.*;


public class Main {

    public static void main (String[] args ) throws IOException{
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
        
        int competidores = Integer.parseInt(br.readLine());
        int vagas = Integer.parseInt(br.readLine());
	int pontos;
        int atual;
        int rank[] = new int[1001];
        int ans = 0;
        for(int x=0; x<competidores; x++){
            atual = Integer.parseInt(br.readLine());
            rank[atual]++;
        }
        
        for(int x=1000; x>=0; x--){
            if(vagas>0){
                if(rank[x]!=0){
                    vagas -=rank[x];
                    ans+=rank[x];
                }
            }else{
                break;
            }
        }
        
        System.out.println(ans);
        
    }
}