摘要:
DescriptionBackground The knight is getting bored of seeing the same black and white squares again and again and has decided to make a... 阅读全文
摘要:
DescriptionCurrent work in cryptography involves (among other things) large prime numbers and computing powers of numbers among these ... 阅读全文
摘要:
DescriptionAssume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a... 阅读全文