摘要:
Problem DescriptionZCC has got N strings. He is now playing a game with Miss G.. ZCC will pick up two strings among those N strings randomly(A string ... 阅读全文
摘要:
Problem DescriptionWLD likes playing with a sequencea[1..N]. One day he is playing with a sequence ofNintegers. For every index i, WLD wants to find t... 阅读全文