Online PHP editor | refs for 76DkU

<?php function getBatchSize($n) { if ($n <= 100) return false; for ($k = 1; $k <= 50; $k++) { // number of batches without the last (remainder) batch $x = floor((100.0 / (float)$k) - 1); // batch-size wihout the last batch $b = floor($n / $x); // remainder (batch-size of the last batch) $r = $n - ($b * $x); // remainder-limit (the acceptable remainder-size) $rl = ceil(($n / $x) * 2.0); if ($r <= $rl) break; } $pInc = floor(100.0 / $x); $pSum = $pInc * $x; $pR = 100 - $pSum; return array( 'b' => $b, 'x' => $x, 'r' => $r, 'pInc' => $pInc, 'pSum' => $pSum, 'pR' => $pR ); } $n = 101; $res = getBatchSize($n); if ($res === false) { printResult("n <= 100"); return; } echo "Resolve for n = " . $n . "<br />=> b = " . $res['b'] . ", x = " . $res['x'] . ", r = " . $res['r'] . ", pInc = " . $res['pInc'] . ", pSum = " . $res['pSum'] . ", pR = " . $res['pR']; echo "<br />"; for ($k = 1; $k <= 50; $k++) { $x = floor((100.0 / (float)$k) - 1.0); $b = floor($n / $x); $r = $n - ($b * $x); $rl = ceil(($n / $x) * 2.0); // $str = "k = " . $k; $str .= ", b = " . $b; $str .= ", x = " . $x; $str .= ": (" . $r . ' ≤ ' . $rl . ")"; if ($r <= $rl) $str .= " => [OK]"; echo '<br />' . $str; }