摘要:
题目描述 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 the "home" 阅读全文
摘要:
题目描述 Input Specification Input consists of two parts: a list of matrices and a list of expressions. The first line of the input file contains one inte 阅读全文
摘要:
题目描述: Ugly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, ... shows the first 11 ugly nu 阅读全文