數(shù)據(jù)結(jié)構(gòu)描述var users = [
{id: 1, username: '123', authPlayerIds: [1001, 1002, 1003]},
{id: 2, username: 'qwe', authPlayerIds: [1003, 1004, 1005]},
{id: 3, username: 'fdf', authPlayerIds: [1002, 1007, 1088]},
{id: 4, username: 'dsa', authPlayerIds: [1001, 1022, 1033]},
... // 注意: 數(shù)據(jù)在`20000`以上]需求描述計(jì)算authPlayerIds字段中的每一項(xiàng)(id)所出現(xiàn)的次數(shù)以及包含它的用戶(user)性能優(yōu)先(首選)處理結(jié)束后的數(shù)據(jù)結(jié)構(gòu)var authPlayers = {
'1001': [
{id: 1, username: '123'},
{id: 4, username: 'dsa'}
], '1002': [
{id: 1, username: '123'},
{id: 3, username: 'fdf'},
{id: 4, username: 'dsa'},
], '1003': [
{id: 1, username: '123'},
{id: 2, username: 'qwe'},
]
}語言及工具描述JavaScriptNode.jsLodashunderscoreasyncbluebird一切你想用的工具都可以在線急等...是時(shí)候表演真正的技術(shù)了
js 循環(huán)**數(shù)據(jù)結(jié)構(gòu)處理**問題, 遇到瓶頸,求方案(考慮性能)
有只小跳蛙
2018-10-18 16:08:49
