10 2017 档案

摘要：The "Hamming distance" between two integers is the number of positions at which the corresponding bits are different. Given two integers and , calcula 阅读全文

摘要：反射允许你在运行时分析任意的对象。如果对象是泛型类的实例，关于泛型类型参数则得不到太多信息，因为它们会被擦除。利用反射可以获得泛型类的信息。 阅读全文

摘要：Given a linked list, swap every two adjacent nodes and return its head. For example, Given , you should return the list as . Your algorithm should use 阅读全文

摘要：The count and say sequence is the sequence of integers with the first five terms as following: is read off as or . is read off as or . is read off as 阅读全文

摘要：Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or 阅读全文

摘要：Implement strStr(). Returns the index of the first occurrence of needle in haystack, or 1 if needle is not part of haystack. public int strStr(String 阅读全文

摘要：Given an array and a value, remove all instances of that value in place and return the new length. Do not allocate extra space for another array, you 阅读全文