摘要：
C. Vasya and String time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Vasya and String t 阅读全文
2016年5月27日
摘要：
B. Pyramid of Glasses time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. Pyramid of Glass 阅读全文
摘要：
A. Nicholas and Permutation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Nicholas a 阅读全文