Here are some of the best backtracking interview questions. We recommend: Word Search II, Remove Invalid Parentheses and Regular Expression Matching. Sorting and Searching These problems deal with sorting or searching in a sorted structure. We recommend: Median of Two Sorted Arrays. Hands down one...
(Easy) Intersection of Two Arrays LeetCode importjava.util.*;classSolution {publicint[] intersection(int[] nums1,int[] nums2) { Set<Integer> set1 =newHashSet<Integer>();intlen = nums1.length> nums2.length?nums2.length:nums1.length;int[] tmp_result =newint[len];for(intnum: nums2...
leetcode_easy_array problem 1460. Make Two Arrays Equal by Reversing Sub-arrays solution #1: code: 参考 1.leetcode_1460. Make Two Arrays Equal by Reversing Sub-arrays; 完 各美其美,美美与共,不和他人作比较,不对他人有期待,不批判他人,不钻牛角尖。 心正意诚,做自己该做的事情,做自己喜欢做的...
Top Interview Questions-Easy Collection 初级算法 Reference Top Interview Questions-Medium Collection 中级算法 Reference Top Interview Questions-Hard Collection 高级算法 Reference Concurrency 多线程 Reference Problem #Title中文站SolutionCode 0001 Two Sum 两数之和 README C++ 0002 Add Two Numbers 两数相加 RE...
349 Intersection of Two Arrays Easy JavaScript Python 350 Intersection of Two Arrays II Easy JavaScript 352 Data Stream as Disjoint Intervals Hard Go 354 Russian Doll Envelopes Hard Go 355 Design Twitter Medium Python 367 Valid Perfect Square Easy JavaScript 368 Largest Divisible Subset Medium JavaScri...
1662检查两个字符串数组是否相等check-if-two-string-arrays-are-equivalent简单Java 1672最富有客户的资产总量richest-customer-wealth简单Java 1710卡车上的最大单元数Maximmum Units On A Truck简单Java 1779找到最近的有相同 X 或 Y 坐标的点find-nearest-point-that-has-the-same-x-or-y-coordinateeasyjava ...
0001 Two Sum Go 45.6% Easy 0002 Add Two Numbers Go 33.9% Medium 0003 Longest Substring Without Repeating Characters Go 30.4% Medium 0004 Median of Two Sorted Arrays Go 29.6% Hard 0005 Longest Palindromic Substring 29.4% Medium 0006 ZigZag Conversion 36.3% Medium 0007 Reverse Integer Go...
tried really hard to optimize my brute force solution, either using some heuristics or pruning on the recursion, however, still no luck :( DP (Dynamic Programming) is normally a great way when trying to answer below two types of questions, and string related questions are a majority use case...
Leetcode刷题的几个主要难点:题太多太杂,很多类似重复;难度不一,单纯的easy,medium,hard不足够区别难度;没有一个系统的规划。 根据实际的时间情况,顺序和题目类型也要微调。 1. 临时面试的紧急刷题策略(短期内快速提升面试技巧) 这种情况适合那些短期内就要面试,但没有足够时间系统性学习的场景,主要目的是快速提高...
难度:easy 解法:题意很明确,数据量也很小,直接枚举即可。总代价O(n^2)。当然,你如果想找个优化解法,也不难。我们找出后缀max,那么答案就是max(后缀max-nums[i]),总代价O(n)。反过来,用前缀min道理也是一样的。 2022 Convert 1D Array Into 2D Array ...