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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Ideone {
  5.   public static void main (String[] args) throws java.lang.Exception {
  6.     Random rand = new Random();
  7.  
  8.     int a[] = new int[rand.nextInt(10) + 6];
  9.     for (var q=0; q<a.length; ++q) a[q] = 1 + rand.nextInt(9);
  10.     for (var q=1; q<a.length; q+=2) a[q] = -a[q];
  11.  
  12.     System.out.println(Arrays.toString(a));
  13.   }
  14. }
Success #stdin #stdout 0.06s 32568KB
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Standard input is empty
stdout
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[4, -8, 6, -4, 1, -6, 8, -1, 9]
https://ideone.com/7nHwSN
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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