Ritchie

E - DominationTime Limit:8000MS     Memory Limit:131072KB     64bit IO Format:%lld & %lluSubmit StatusDescriptionEdward is the headmaster of Marjar University. He is enthusiastic about

F - Scout YYF ITime Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionYYF is a couragous scout. Now he is on a dangerous mission which is t

B - CardTime Limit:5000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionThere are x cards on the desk, they are numbered from 1 to x. The score of t

G - FootballTime Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionConsider a single-elimination football tournament involving 2n teams,

D - JoyfulTime Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionSakura has a very magical tool to paint walls. One day, kAc asked Sakura t

A - WalkTime Limit:15000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 5001DescriptionI used to think I could be anything, but now I know that

B - DiceTime Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 4652DescriptionYou have a dice with m faces, each face contains a distinc

Professor TianTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 870    Accepted Submission(s): 479Problem DescriptionTimer took the Probab

C - Collecting BugsTime Limit:10000MS     Memory Limit:64000KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionIvan is fond of collecting. Unlike other people who collect post

D - LOOPSTime Limit:5000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionAkemi Homura is a Mahou Shoujo (Puella Magi/Magical Girl). Homura wants to

E - The ArrowTime Limit:1000MS     Memory Limit:64000KB     64bit IO Format:%lld & %lluSubmit StatusDescriptionThe history shows that We need heroes in every dynasty. For example, Li