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  1. public class ExactTreeEasy {
  2.     public int[] getTree(int n, int m)
  3.     {
  4.         int[] ret = new int[(n-1)*2];
  5.         int p = 0;
  6.         ret[p++] = 0; ret[p++] = 1;
  7.         ret[p++] = 1; ret[p++] = 2;
  8.         int nodeIndex = 2;
  9.         for(int i = 1; i <= m-2; i++)
  10.         {
  11.             ret[p++] = 1; ret[p++] = ++nodeIndex;
  12.         }
  13.         while(nodeIndex < n-1)
  14.         {
  15.             ret[p++] = nodeIndex; ret[p++] = ++nodeIndex;
  16.         }
  17.         return ret;
  18.     }
  19. }
  20.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:1: error: class ExactTreeEasy is public, should be declared in a file named ExactTreeEasy.java
public class ExactTreeEasy {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/EXVZ7f
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
secret

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