摘要：
Current work in cryptography involves (among other things) large prime numbers and computing powers of numbers among these primes. Work in this area h 阅读全文
摘要：
The game “The Pilots Brothers: following the stripy elephant” has a quest where a player needs to open a refrigerator. There are 16 handles on the ref 阅读全文
摘要：
Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white and the other o 阅读全文
摘要：
A. Arya and Bran time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Bran and his older siste 阅读全文