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IdeaG

oly2

Nov 23rd, 2012
53
0
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PHP 0.41 KB | None | 0 0
  1.   echo keltuvas(8,2);
  2.   echo keltuvas(14,3);
  3.   echo keltuvas(200,52);
  4.   function keltuvas($t,$n) {
  5.     $min_n = ceil($t/4);
  6.     $max_n = floor($t/7)*2;
  7.     if ($t - (floor($t/7)*7) == 4) {
  8.       ++$max_n;
  9.     }
  10.     if ($min_n>$n && $max_n>$n)
  11.       return -1; // tikrai daugiau uลพ N
  12.     elseif ($max_n<=$n)
  13.       return 1;  // tikrai maลพiau uลพ N
  14.     else
  15.       return 0;  // nepakanka informacijos
  16.   }
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