急.....数字重组计算问题 本帖最后由 staryjk 于 2013-05-15 12:58:27 编辑 问题描述: 现在有一组数字需要计算重组后总数,以最快的速度计算出总数. 数字不一定就是给出的这些,也有可能是其它数字 数字: 例一 1->0123 2->01234 3->678 总数:60 例二 1->0123456789 2->0123456789 3->01234 总数:500 写一个方法计算出重组后的总数和重组后的号码 分享到: ------解决方案--------------------这个意思?$ar = array( '0123', '01234', '678', ); print_r(foo($ar)); function foo(&$ar, $i=0) { $res = array(); if($i+1 $t = foo($ar, $i+1); foreach(str_split($ar[$i]) as $v) { foreach($t as $r) $res[] = $v . $r; } }else $res = str_split($ar[$i]); return $res; }Array ( [0] => 006 [1] => 007 [2] => 008 [3] => 016 [4] => 017 [5] => 018 [6] => 026 [7] => 027 [8] => 028 [9] => 036 [10] => 037 [11] => 038 [12] => 046 [13] => 047 [14] => 048 [15] => 106 [16] => 107 [17] => 108 [18] => 116 [19] => 117 [20] => 118 [21] => 126 [22] => 127 [23] => 128 [24] => 136 [25] => 137 [26] => 138 [27] => 146 [28] => 147 [29] => 148 [30] => 206 [31] => 207 [32] => 208 [33] => 216 [34] => 217 [35] => 218 [36] => 226 [37] => 227 [38] => 228 [39] => 236 [40] => 237 [41] => 238 [42] => 246 [43] => 247