摘要:
The cows are journeying north to Thunder Bay in Canada to gain cultural enrichment and enjoy a vacation on the sunny shores of Lake Superior. Bessie, ... 阅读全文
摘要:
A lot of battleships of evil are arranged in a line before the battle. Our commander decides to use our secret weapon to eliminate the battleships. Ea... 阅读全文
摘要:
There is an integeraandnintegersb1,…,bn. After selecting some numbers fromb1,…,bnin any order, sayc1,…,cr, we want to make sure thatamodc1modc2mod…mod... 阅读全文
摘要:
You have two friends. You want to present each of them several positive integers. You want to presentcnt1numbers to the first friend andcnt2numbers to... 阅读全文