kido 在努力的生长

A - 基础 Time Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Description Astronomers often examine star maps where stars are represented by points

D - 基础 Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Description C国的死对头A国这段时间正在进行军事演习，所以C国间谍头子Derek和他手下Tidy又开始忙乎了。A国在海岸线沿直线布置了N个工兵营地,Derek和

A - lazy标记 Time Limit:5000MS     Memory Limit:131072KB     64bit IO Format:%I64d & %I64u Submit Status Description You have N integers, A1, A2, ... , AN. You need to deal with two ki

A - A Time Limit:3000MS     Memory Limit:65768KB     64bit IO Format:%I64d & %I64u Submit Status Description Today is the 10th Annual of “September 11 attacks”, the Al Qaeda is about t