Problem Set is the place where you can find large amount of problems from different programming contests.Online Judge System allows you to test your solution for every problem. First of all, read …

Log in to PKU JudgeOnline to access programming contests, create problems, and manage your account.

POJ月赛自2004年起举行，是POJ平台的经典比赛活动，多年来吸引了一批又一批大、中学生及编程爱好者的参与，受到了广泛好评。 为了让更广大的编程爱好者从POJ平台受益，POJ团体决定对月赛进 …

Anybody who possesses a POJ account is allowed for participation in the contest. The conduct of any contestant must be in compliance with the principles of fairness and justice.

POJ Administrative Staff Composing solutions Common guidelines for composing solutions The judge system challenges you with thousands of programming problems which demand diverse ideas and …

More should be noted about I/O operations in C++. Due to their complex underlying implementation models, cin and cout are comparatively slower than scanf and printf. The difference in performance …

Explore past contests on PKU Online Judge and enhance your programming skills by solving challenging problems.

During his last sabbatical, professor M. A. Ya made a surprising discovery about the old Maya calendar. From an old knotted message, professor discovered that the Maya civilization used a 365 day long …

Online Judge Problem Set Authors Online Contests User Problems Submit Problem Online Status Prob.ID: Register Update your info Authors ranklist Current Contest Award ...

Explore the list of problems in Volume 8 on poj.org, featuring diverse challenges for programming enthusiasts.