https://leetcode.com/problems/minimum-path-sum/discuss/23611/My-Java-clean-code-DP-no-extra-space https://leetcode.com/problems/minimum-path-sum/discuss/23678/C%2B%2B-easy-solution-using-dp.-space-compexity-%3A-O(1) LeetCode All in One 题目讲解汇总(持续更新中...)...
but I have a question, is this really a O(n) solution? Yes, it is. according to leetcode, every element is processed exactly twice(which is added and removed from deque) and besides, this solution must be better than solutions using priority queue, since we can build heap in O(K), ...
https://github.com/grandyang/leetcode/issues/1263 参考资料: https://leetcode.com/problems/minimum-moves-to-move-a-box-to-their-target-location/ https://leetcode.com/problems/minimum-moves-to-move-a-box-to-their-target-location/discuss/431431/Java-straightforward-BFS-solution https://leetcode....
Java public int minSubArrayLen(int s, int[] nums) { int length = nums.length; int min = Integer.MAX_VALUE; int[] sums = new int[length + 1]; for (int i = 1; i <= length; i++) { sums[i] = sums[i - 1] + nums[i - 1]; } for (int i = 0; i <= length; i+...
贪心解。尽可能的选择最前面的两个不相同的元素，得到的就是最长的美丽数组。然后用总长度减去该长度即为答案。还有
Return the minimum number of pushes to move the box to the target. If there is no way to reach the target, return -1. Example: Example 1: [图片上传失败...(image-51109d-1660931965684)] Input: grid = [["#","#","#","#","#","#"], ...
LeetCode Username endlesscheng Problem Number, Title, and Link Maximize the Minimum Game Score https://leetcode.com/problems/maximize-the-minimum-game-score/description/ Bug Category Missing test case (Incorrect/Inefficient Code getting ...
Minimum Path Sum.py Original file line numberDiff line numberDiff line change @@ -0,0 +1,18 @@ from typing import Listclass Solution:def minPathSum(self, grid: List[List[int]]) -> int: m, n = len(grid), len(grid[0])for i in range(1, m):...
* TreeNode(int x) { val = x; } * } */ public class Solution { public int minDepth(TreeNode root) { if (root == null){ return 0; } return helper(root); } //这个题目和求最大(最小深度)不一样的是要走到叶子节点才算行,也就说要到了叶子节点才OK ...
原题链接在这里:https://leetcode.com/problems/minimum-falling-path-sum/ 题目: Given a square array of integersA, we want the minimum sum of afalling paththroughA. A falling path starts at any element in the first row, and chooses one element from each row. The next row's choice must...