摘要: function permAlone(str) { if(str.length == 1) return str; var a = str.substr(0, 1), one = [a], count = 0, toggle = true; for(var i = 0; i< str.length-1; i++) { ... 阅读全文
posted @ 2018-08-01 11:30 木头人_a 阅读(721) 评论(0) 推荐(0) 编辑