摘要：
To readncharacters, we first callread4forn / 4times. For example, if we want to read10characters, we will read them in the8 (4 * 2) + 2manner by first... 阅读全文
摘要：
Problem Description:Design and implement a TwoSum class. It should support the following operations:addandfind.add- Add the number to an internal data... 阅读全文