Marut and Girls : bookmyshow

https://www.hackerearth.com/bookmyshowhiringchallenge/problems/

Question : https://www.hackerearth.com/bookmyshowhiringchallenge/algorithm/marut-and-girls/

package com.thread.dp;

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.util.*;

class TestClass {

       public static void main(String args[] ) throws Exception {

              /* Read input from stdin and provide input before running */

              int count = 0;

              BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

              String line = br.readLine();

              int N = Integer.parseInt(line);

              Set<String> qualitiesNds = new HashSet<String>();

              String line1 = br.readLine();

              for(String str : line1.split(" ")) {

                     qualitiesNds.add(str);

              }

              line1 = null;

              int proposals = Integer.parseInt(br.readLine());

              for (int i = 0; i<proposals; i++) {

                     String[] qualities = br.readLine().split(" ");

                     Set<String> quality = new HashSet<String>();

                     for(String itm : qualities) {

                           if(qualitiesNds.contains(itm)) {

                                  quality.add(itm);

                           }

                           if(N==quality.size()) {

                                  break;

                           }

                     }

                     if(N==quality.size()) {

                           ++count;

                     }

              }

              System.out.println(count);

       }

}