intCCLeetcode7::CCSolution::reverseMethod1(intx){longres=0;while(x){res=res*10+x%10;x/=1...
Leet code problem 7: reverse integer digit classSolution {public:intreverse(intx) {intret =0;intint_max_divide_10 = INT_MAX /10;intint_max_mod_10 = INT_MAX %10;intint_min_divide_10 = INT_MIN /10;intint_min_mod_10 = INT_MIN %10;while(x !=0){intremainder = x %10;if(x ...
push(i); } return sum; } Problem 11: Leetcode 907 给定一个整数数组 arr,找到 min(b) 的总和,其中 b 的范围为 arr 的每个(连续)子数组。 由于答案可能很大,因此 返回答案模 10^9 + 7 。 举个例子,如果arr = [3,1,2,4],那么输出17,因为它的子数组有[3],[1],[2],[4],[3,1],[1,...
第二点就是记得看Note,Assume we are dealing with an environment which could only hold integers within the 32-bit signed integer range. For the purpose of this problem, assume that your function returns 0 when the reversed integer overflows. 就是超过int的范围了就需要返回0。这一点非常重要,因为...
简单 184. 部门工资最高的员工 53.6% 中等 185. 部门工资前三高的所有员工 56.4% 困难 196. 删除重复的电子邮箱 67.8% 简单 197. 上升的温度 54.2% 简单 262. 行程和用户 41.2% 困难 511. 游戏玩法分析 I 71.5% 简单 512. 游戏玩法分析 II 54.7% 简单 534. 游戏玩法分析 III 70.4% 中等 550. 游戏玩...
如何实现Leetcode 310的最小高度树算法? Leetcode 310最小高度树的时间复杂度是多少? 310 最小高度树 每日一题 4月6日 给定一个树的各个边,要求选择根节点,使得树的高度最小 初步的想法是使用广度优先搜索,对于每一个根节点进行尝试,找到最小的那个。因为广度优先搜索的复杂度为O(n),因此整体复杂度为O(n^...
【题目】Follow up for N-Queens problem. Now, instead outputting board configurations, return the total number of distinct solutions. 【解答】紧跟着 N-Queens 那道题,思路简直一模一样。不是很理解为啥弄两道差不多的题目。 代码语言:javascript 代码运行次数:0 运行 复制 public class Solution { private...
Jul 7, 2022 1254-number-of-closed-islands Attach NOTES - LeetHub Apr 7, 2023 1269-number-of-ways-to-stay-in-the-same-place-after-some-steps Time: 27 ms (42.21%), Space: 13.1 MB (53.03%) - LeetHub Oct 15, 2023 128-longest-consecutive-sequence Time: 1005 ms (24.83%), Space: 49...
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Leetcode Problem Rating Project Introduction This frontend project has been deployed toGithub Pages. The corresponding backend calculates the rating of the problems in leetcode weekly/biweekly contests based onElo rating systemas well asMaximum likelihood estimation. It is not a 100% accurate result,...