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LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解,记录自己的leetcode解题之路。) - AlexSunChen/leetcode
https://leetcode.com/problems/spiral-matrix/discuss/20571/1-liner-in-Python-%2B-Ruby Solutions 1publicList<Integer> spiralOrder(int[][] matrix) {2List<Integer> res =newArrayList<>();34if(matrix ==null|| matrix.length == 0 || matrix[0].length == 0) {5returnres;6}78this.printSpira...
Solutions to Arrays, Strings, Lists, Sorting, Stacks, Trees and General DS problems using JAVA. java pdf data algorithms leetcode solutions notes data-structures leetcode-solutions hacktoberfest hackerrank-solutions leetcode-java algorithms-and-data-structures leetcode-solution gfg-solutions hacktobe...
350+Problems / 1000+Solutions 最好不要满足于accept,要追求最高效率。做一题就要杀死一题。leetcode不是给了运行时间的分布吗,基本上每个波峰都代表了一种特定复杂度的算法,中间的起伏体现的就是具体实现细节的差距。每次都要向最前面的波峰努力啊>.<。追逐最前一个波峰的过程不但锻炼算法,还锻炼数据结构,锻炼...
https://leetcode-cn.com/problems/merge-k-sorted-lists/description/ 合并 k 个排序链表,返回合并后的排序链表。请分析和描述算法的复杂度。 示例: Leetcode学习之链表(5) ③ 分制后相连 O(kN*logk) 1、排序链表的合并(2个)Leetcode21.题目来源:Leetcode21.MergeTwoSortedListsLeetcode \21. \Merge\Two...
[LeetCode]189.Rotate Array 题目Rotate an array of n elements to the right by k steps. For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,4]. Note: Try to come up as many solutions as you can,...猜你喜欢...
1、LeetCode 题目太多,全部刷完肯定不是最好最有效的方式,其中涉及到的基本知识点来来回回就那些,同时有非常多的类似题,所以刷经典题,掌握这些经典题是最有效的学习方式。 2、从算法训练营第一期开始到现在的第十二期,吴师兄整理和迭代了非常多的刷题顺序,经过这两年的同学们的反馈,终于整理出一份我认为是最适...
The idea is to build a lookup table for each amount, what's the minimal number of coins needed given current denomination. lookup[i] = min(lookup[i], lookup[i - coin value] + 1) given i - coin value >= 0 Solutions Dynamic Programming ...
Problems List in there Depth First Search Problems List in there Breadth First Search Problems List in there Binary Search <img alt=""> 二分搜索的经典写法。需要注意的三点: 循环退出条件,注意是 low <= high,而不是 low < high。 mid 的取值,mid := low + (high-low)>>1 low 和 high 的...