OtterVのrecorder

经典树形DP模板题，找树的重心Balancing ActTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 16297   Accepted: 6890 DescriptionConsider a tree T with N (1 <= N <= 20,000) nodes...

GYM101550A NCPC2016CSU2015 湖南多校第一场2015: ArtworkSubmit Page    Summary    Time Limit: 4 Sec     Memory Limit: 512 Mb     Submitted: 71     Solved: 26    DescriptionA template for an artwork i...

2209: GameSubmit Page    Summary    Time Limit: 1 Sec     Memory Limit: 256 Mb     Submitted: 10     Solved: 5    Descriptionxrdog有一个有趣的算式 a^X+b*Y^2≥C现给定a,b和c，且初始的时候X=Y=0,xrdog和小砖准备玩一个游戏。游戏规则是...