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  1. import java.util.*;
  2. class Main{
  3.     public static void main (String[] args) {
  4.         Scanner sc=new Scanner(System.in);
  5.         int [] arr1={5,4,6,7,3};
  6.         int [] arr2={3,4,5,1};
  7.         HashSet<Integer> set1=new HashSet<>();
  8.         for(int i=0;i<arr1.length;i++){
  9.             set1.add(arr1[i]);
  10.         }
  11.         boolean subset=true;
  12.         for(int i=0;i<arr2.length;i++){
  13.             if(!set1.contains(arr2[i])){
  14.                 subset=false;
  15.                 break;
  16.             }
  17.         }
  18.         if(subset){
  19.             System.out.println("subset");
  20.         }else{
  21.             System.out.println("not subset");
  22.         }
  23.     }
  24. }
Success #stdin #stdout 0.13s 54524KB
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stdin
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Standard input is empty
stdout
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not subset
https://ideone.com/hbsabL
language:
Java (HotSpot 12)
created:
4 days ago
visibility:
public

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