摘要：
Tavas and Karafs time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Karafs is some kind of 阅读全文
摘要：
A and B and Compilation Errors time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A and B a 阅读全文
摘要：
Polycarpus' Dice time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Polycarp has n dice d1, 阅读全文
摘要：
Exam time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output An exam for n students will take pla 阅读全文