摘要: function getGroup(arr) { let r = []; function f(n){ if(n==0){ r.push([arr[0]]); return r; } f(n-1).forEach(v=>{ v = v.slice(); v.push(arr[n]) r.push(v 阅读全文
posted @ 2020-06-11 01:15 浪浪辛 阅读(174) 评论(0) 推荐(0)