Problem 2: Leetcode 153 已知一个长度为 n 的数组,预先按照升序排列,经由 1 到 n 次 旋转 后,得到输入数组。例如,原数组 nums = [0,1,2,4,5,6,7] 在变化后可能得到: 若旋转 4 次,则可以得到 [4,5,6,7,0,1,2] 若旋转 7 次,则可以得到 [0,1,2,4,5,6,7] 注意,数组 [a[0], a[...
【题目分析】这个题目就是merge sort在 Linked List中的变形。不多说,直接上代码了 1publicListNode mergeTwoLists(ListNode l1, ListNode l2) {2ListNode dummyHead =newListNode(-1);3ListNode node =dummyHead;4while(l1 !=null&& l2 !=null) {5if(l1.val <=l2.val) {6node.next =l1;7l1 =l1.ne...
1classSolution {2public:3voidmerge(intA[],intm,intB[],intn) {4//we use "ai", "bi" to iterator A[] and B[]5//from the end respectively6//since the size of A[] equal to or greater n+m7//thus we can use inplace sort by filling A[]8//from A[n+m-1] to A[0]9intai...
今天的笔记包含多路归并(K-way merge)与拓扑排序(Topological Sort)类型下的X个题目。其中“多路归并”在leetcode上的编号和题名分别是: 21 - 合并两个有序列表 23 - 合并k个排序列表 373 - 查找和最小的k对数字 378 - 有序矩阵中第k小的元素 而拓扑排序的练习包含以下两个部分: 排序的实现(LeetCode对应...
Leetcode--Merge Intervals 区间合并i++文章分类代码人生 Problem Description: Given a collection of intervals, merge all overlapping intervals. For example, Given [1,3],[2,6],[8,10],[15,18], return [1,6],[8,10],[15,18]....
题目链接:https://www.lintcode.com/problem/920 翎野君 2023/05/12 2030 零基础学贪心算法 编程算法 本文在写作过程中参考了大量资料,不能一一列举,还请见谅。贪心算法的定义:贪心算法是指在对问题求解时,总是做出在当前看来是最好的选择。也就是说,不从整体最优上加以考虑,只做出在某种意义上的局部最优解...
end = e class Solution(object): def merge(self, intervals): """ :type intervals: List[Interval] :rtype: List[Interval] """ result = [] if not intervals: return result intervals.sort(key = lambda x: x.start) # 按照左区间排序(请看下方总结) result.append(intervals[0]) # 先将第一...
My LeetCode Daily Problem & Contest Group: See rules and score board here (If you are interested in joining this group, ping me guan.huifeng@gmail.com) LeetCode难题代码和算法要点分析 目前分类目录 Two Pointers 011.Container-With-Most-Water (M+) 015.3Sum (M) 016.3Sum-Closet (M) 018.4Sum...
0075 Sort Colors LeetCode 力扣 Python CSDN Medium 荷兰旗 0077 Combinations LeetCode 力扣 Python CSDN Medium 回溯 0079 Word Search LeetCode 力扣 Python CSDN Medium 回溯 0088 Merge Sorted Array LeetCode 力扣 Python CSDN Easy 双指针 0090 Subsets II LeetCode 力扣 Python CSDN Medium 回溯 0093 Restore...
0360 Sort Transformed Array 48.8% Medium 0361 Bomb Enemy 46.0% Medium 0362 Design Hit Counter 63.6% Medium 0363 Max Sum of Rectangle No Larger Than K 37.3% Hard 0364 Nested List Weight Sum II 62.7% Medium 0365 Water and Jug Problem 30.6% Medium 0366 Find Leaves of Binary Tree 70...