Problem ID Title Solved Submit Pass Rate
1294级数求和397254.167%
1295选数5912248.361%
1296产生数31030.000%
1297过河卒3910337.864%
2114【信息学奥赛一本通】过河卒(Noip2002)455877.586%
2120【信息学奥赛一本通】均分纸牌(Noip2002)
88100.000%