摘要:
UVA679.小球下落 A number of K balls are dropped one by one from the root of a fully binary tree structure FBT. Each time the ball being dropped first visi 阅读全文
摘要:
UVA11988:悲剧文本 You’re typing a long text with a broken keyboard. Well it’s not so badly broken. The only problem with the keyboard is that sometimes th 阅读全文