摘要:
Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twili... 阅读全文
摘要:
One day, Twilight Sparkle is interested in how to sort a sequence of integersa1, a2, ..., anin non-decreasing order. Being a young unicorn, the only o... 阅读全文
摘要:
Twilight Sparkle once got a crystal from the Crystal Mine. A crystal of size n (n is odd; n > 1) is an n × n matrix with a diamond inscribed into it.Y... 阅读全文