Levi

摘要： Given a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. After re... 阅读全文

摘要： Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->3.Your algor... 阅读全文

摘要： Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.思路：增加一个头指... 阅读全文

摘要： Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[−2,1,−3,4,−1,2,1,... 阅读全文

摘要： Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space? 1 /** 2 * Definition for singly-linked l... 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： Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999. 罗马数字有如下符号：罗马字符： I V X L C D M对应数字... 阅读全文

摘要： 1. 求幂#include //头文件 pow(a,b); //a^b2. bool#include //C中使用bool型需要加入头文件3. 字符串操作相关#include //头文件 char a[20],b[20]; strcpy(a,b); //把字符串b拷贝到a中 length=s... 阅读全文

摘要： 八月初心血来潮，花了一天时间写了一个控制台版的2048。代码很烂，玩到后面会有延迟现象。先做下记录，以后有时间把移动和合并的代码再优化下。 代码如下： 1 #include 2 #include 3 #include 4 #include 5 #include 6 using n... 阅读全文

摘要： Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a... 阅读全文