增加小组有关api的注释
增加小组有关api的注释

hxsf/OnlineJudge,uestcxl/OnlineJudge,Timeship/OnlineJudge-QDU,hxsf/OnlineJudge,Timeship/OnlineJudge-1,Timeship/OnlineJudge-1,wangmingjob/OnlineJudge,Timeship/OnlineJudge-QDU,Timeship/OnlineJudge-1,uestcxl/OnlineJudge,uestcxl/OnlineJudge,Timeship/OnlineJudge-1,wwj718/OnlineJudge,wwj718/OnlineJudge,Timeship/OnlineJudge-QDU,wangmingjob/OnlineJudge,wangmingjob/OnlineJudge,wangmingjob/OnlineJudge,hxsf/OnlineJudge,hxsf/OnlineJudge,Timeship/OnlineJudge-QDU,wwj718/OnlineJudge