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                                            jinzhangcode

第 88 题：实现 convert 方法，把原始 list 转换成树形结构，要求尽可能降低时间复杂度

function convert(list) { let result = []; let len = list.length; function searchChild(parent){ if(!parent)return; if(!parent.id){ for (let i = 0; i < len; i++) { if(list[i].parentId == 0){ var item...