摘要：
Given a range [m, n] where 0 >1; n=n>>1; ++count; } return m<<count; }}; 阅读全文
摘要：
Remove all elements from a linked list of integers that have valueval.ExampleGiven:1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6,val= 6Return:1 --> 2 --> 3 --... 阅读全文
摘要：
题目描述：Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive in... 阅读全文