publicclassSolution {publicintthreeSumClosest(int[] num,inttarget) {intresult = num[0] + num[1] + num[num.length - 1];//初始化Arrays.sort(num);//选择一个数for(inti = 0; i < num.length - 2; i++) {intstart = i + 1, end = num.length - 1;//双指针指向最小数和最大数wh...
061 rotate list: rotate a linkedlist: we met this kind of problems, but it just needs us to rotate an array. but for this problem, we have a genius way like make it a loop and relocate head and unleash the loop. we may say this problem is not two pointer related problem. but does...
ai).nvertical lines are drawn such that the two endpoints of lineiis at (i,ai) and (i, 0). Find two lines, which together with x-axis forms a container, such that the container contains the most water.
题目链接https://leetcode.com/problems/intersection-of-two-linked-lists/ 题意很好懂,问题在于如何找到相交的node,想到的最简单的方法从node的最后一个节点去往前数,遇到分叉,则返回当前节点,否则返回None。这里用 两个list去保存node,从list的最后一个位置开始往前进。 代码如下,提交后,超过 99.84% 提交代码的...
leetcode合并两个有序链表python 将两个升序链表合并为一个新的升序链表并返回。新链表是通过拼接给定的两个链表的所有节点组成的。 示例: 输入:1->2->4, 1->3->4 输出:1->1->2->3->4->4 思路: 1、建立一个新链表存放排序后的节点 2、分别比较两个列表中的元素值,将小的元素节点添加到新的...
Question URL: https://leetcode.com/problems/two-sum/ Given an array of integersnumsand an integertarget, return indices of the two numbers such that they add up totarget. You may assume that each input would haveexactly one solution, and you may not use the same element twice. ...
Problem link:https://leetcode.com/explore/interview/card/top-interview-questions-easy/92/array/674/Solutions: 1. Sort and merge:We firstly sort the two arrays and use two pointers to compare the ele…
eg 7-10 Returns a pointer to the sum of two integers ...LeetCode-Sum of Two Integers Description: Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example 1: Example 2: 题意:计算两个正数的和,要求不可以使用加法和减法; 解法:既然...
🎭 PsuendoCode slow = 0; fast = 0; while (fast < s.length()) { if (s[fast] is not a duplicate) { // move slow pointer one step // add s[fast] to window slow++; } // move fast pointer one step fast++; } 🚗🚙 Merge Intervals : 📌📌🚥 ❓ MERGE INTERVALS ...
LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解,记录自己的leetcode解题之路。) - leetcode/problems/4.median-of-two-sorted-arrays.md at b58ae1e3c075ac4b831ab049a2583480d0d56cca · pearsonhan/leetcode