Submission #66527884

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Source Code Expand

import java.lang.*;
import java.util.*;

public class Main{
    public static void main (String[] args) throws java.lang.Exception
    {
        Scanner s= new Scanner(System.in);
        int n =s.nextInt();
        int arr[] = new int[n];

        for(int i = 0; i< n; i++){  
            arr[i] = s.nextInt();
        }

        Arrays.sort(arr);

        int max = 0;
        for(int i  = 0; i< n; i++){
            if( n-i>=arr[i] ){
                max = Math.max(arr[i], max);
            }
            if (arr[i]>=n-i) {
                max = Math.max(n- i, max);
            }
        }
        System.out.println(max);
    }
}

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