记录遇到问题的点点滴滴。
PHP<?php function f(&$r, $t, $a, $depth, $end) { if ($depth == $end) { if (count($t)) { $r[] = $t; } } else { $count =...
PHP<?php function f(&$r, $t, $a, $n) { if ($n == 0) { if (count($t)) { $r[] = $t; } } else { $count = count($a[$n - 1]...
EQ: EqualGT: Greater ThanLT: Less than知道全称就不会忘记