Section 29: Uber Backtracking question: Combination Sum (Medium) Lecture 132 Explanation the problem Lecture 133 Intuition behind the problem Lecture 134 Walkthrough over the pseudocode Lecture 135 Implementing
Example 1: Input:routes = [[1,2,7],[3,6,7]], source = 1, target = 6Output:2Explanation:The best strategy is take the first bus to the bus stop 7, then take the second bus to the bus stop 6. Example 2: Input:routes = [[7,12],[4,5,15],[6],[15,19],[9,12,13]],...
Example 1: Input: abcabcbb Output: 3 Explanation: The answer is abc, with the length of 3. Example 2: Input: bbbbb Output: 1 Explanation: The answer is b, with the length of 1. Example 3: Input: pwwkew Output: 3 Explanation: The answer is wke, with the length of 3. Note that...
Input: nums1 = [1], m = 1, nums2 = [], n = 0 Output: [1] Explanation: The arrays we are merging are [1] and []. The result of the merge is [1]. Example 3: Input: nums1 = [0], m = 0, nums2 = [1], n = 1 Output: [1] Explanation: The arrays we are merging...
to the top. 1. 1 step + 1 step 2. 2 stepsExample 2:Input: n = 3 Output: 3 Explanation...
578 Get Highest Answer Rate Question $ 33.10% Medium 577 Employee Bonus $ 53.80% Easy 576 Out of Boundary Paths 33.10% Medium 575 Distribute Candies 59.50% Easy 574 Winning Candidate $ 34.50% Medium 573 Squirrel Simulation $ 51.00% Medium 572 Subtree of Another Tree 41.00% Easy 571 Find Medi...
578 Get Highest Answer Rate Question $ 33.10% Medium 577 Employee Bonus $ 53.80% Easy 576 Out of Boundary Paths 33.10% Medium 575 Distribute Candies 59.50% Easy 574 Winning Candidate $ 34.50% Medium 573 Squirrel Simulation $ 51.00% Medium 572 Subtree of Another Tree 41.00% Easy 571 Find Medi...
为什么80%的码农都做不了架构师?>>> Question 696. Count Binary Substrings Example 1: Example 2: Solution 思路:题目大意是,给一个二进制的字符串,问有多少子串的0个数量等于1的数量且子串中0和1不能交替出现。 Java实现: 转载于:https://my.oschina.net/y...猜...
就是逐一遍历所有的cell,用分离的cell总的的边数减去重叠的边的数目即可。在查找重叠的边的数目的时候有一点小技巧,就是沿着其中两个方向就好,这种题目都有类似的规律,就是可以沿着上三角或者下三角形的方向来做。一刷一次ac,但是还没开始注意codestyle的问题,需要再刷一遍。
578 Get Highest Answer Rate Question $ 33.10% Medium 577 Employee Bonus $ 53.80% Easy 576 Out of Boundary Paths 33.10% Medium 575 Distribute Candies 59.50% Easy 574 Winning Candidate $ 34.50% Medium 573 Squirrel Simulation $ 51.00% Medium 572 Subtree of Another Tree 41.00% Easy 571 Find Medi...