摘要：
Consider a MxN matrix. You are given a start element(index) and an end element. The question is to find a path from start to end. Please note that in ... 阅读全文
摘要：
Write a recursive method to get the multiplication of two numbers such that there are minimum number of addition operations.// the number of m is n m>... 阅读全文
摘要：
常见错误：' '.join(list): it need to guarantee the element of list is string, so it it better it strlist = ''.join(str(v) for v in list)str.split(" ") just... 阅读全文