摘要：
On a broken keyboard, some of the keys are worn out. So when you type some sentences, the characters corresponding to those keys will not appear on sc... 阅读全文
摘要：
For two rational numbers, your task is to implement the basic arithmetics, that is, to calculate their sum, difference, product and quotient.Input Spe... 阅读全文
摘要：
According to Wikipedia:Insertion sortiterates, consuming one input element each repetition, and growing a sorted output list. Each iteration, insertio... 阅读全文