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  1. <?php
  2.  
  3. function GenPairs($N) {
  4.     for ($i=0; $i<$N-1;$i++){
  5.     	echo(0).":";
  6.     	echo($N - 1 - $i)."\n";
  7.     	for ($j=1; $j<$N/2;$j++){
  8.     		echo(1 + (($N - $i + $j - 2) % ($N - 1))).":";
  9.     		echo(1 + ((2*$N - $i - $j - 3) % ($N - 1)))."\n";
  10.     	}
  11.         	echo("\n");
  12.     }
  13. }
  14.  
  15. GenPairs(6);
  16.  
Success #stdin #stdout 0s 82560KB
comments (?)
stdin 
Standard input is empty
stdout 
0:5
1:4
2:3

0:4
5:3
1:2

0:3
4:2
5:1

0:2
3:1
4:5

0:1
2:5
3:4
https://ideone.com/L54q54
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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