摘要：
E. Holes time limit per test 1 second memory limit per test 64 megabytes input standard input output standard output Little Petya likes to play a lot. 阅读全文
摘要：
Haybale Guessing Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2384 Accepted: 645 Description The cows, who always have an inferiority co 阅读全文