代码: 1intmaxSubArray(int* nums,intnumsSize) {2returnmaxSubArrayEx(nums,0,numsSize-1);3}4intmaxSubArrayEx(int* nums,intleft,intright) {5if(left ==right)6returnnums[left];7intcenter = (left + right) /2;8intml =maxSubArrayEx(nums, left, center);9intmr = maxSubArrayEx(nums, cen...
leetcode-53-Maximum Subarray(动态规划详解) 题目描述: Given an integer arraynums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum. Example: Input: [-2,1,-3,4,-1,2,1,-5,4], Output: 6 Explanation: [4,-1,2,1] has the la...
## LeetCode 53 最大子数列和 Maximum Subarray class Solution(): def maxSubArray(self, nums): l = len(nums) dp = [0] * l ## 初始化数组全部为0 ## 套路第三步,初始特殊值为 nums 第一个元素 dp[0] = nums[0] #res_max = dp[0] ## 最终结果也初始化为 nums 第一个元素 for i in...
LeetCode 53. Maximum Subarray 程序员木子 香港浸会大学 数据分析与人工智能硕士在读 来自专栏 · LeetCode Description Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum. Example: Input: [-2,1,-3,4,-...
Leetcode No.53 Maximum Subarray(c++实现) 1. 题目 1.1 英文题目 Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum. 1.2 中文题目 给定一个整数数组 nums ,找到一个具有最大和的连续子数组(子数组最少包含一个元...
leetcode 53. Maximum Subarray Given an integer arraynums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum. Example: Input:[-2,1,-3,4,-1,2,1,-5,4], Output:6 Explanation:[4,-1,2,1]has the largest sum =6....
视频爱学习的饲养员 182:21 Leetcode力扣 301+题视频讲解合集|手画图解版+代码【持续更新ing】 2.4万32 视频爱学习的饲养员 暴力法 Python3版本 Java版本 d 动态规划 Dynamic Programming Python3版本 Java版本 分治法 Divide and Coqnuer Python3版本
思路:使用两层循环,时间复杂度是 O(n^2)。Python 代码:这种做法,虽然可以解决短的数列问题,但在提交时会超时。解法二:贪心+滑窗 思路:可以打败90%左右的用户,不过最经典的是分治法。最大子数列题,也是分治算法的经典应用。解法三:动态规划 第一步,定义临时数组,保存每个位置的临时结果。...
the contiguous subarray [4,-1,2,1] has the largest sum = 6.中文:主要是给定一个数组,求解数组的子数组中,数组元素和最大的那一个子数组,返回的是最大子数组的和。2. 求解解法一最简单也是最容易想到的思路就是三层循环,对(i,j),i<=j的情况进行遍历,这种情况下的算法复杂度为O($n^3$)。代码如...
publicintmaxSubArray(int[]nums){finalintn=nums.length;// BF 匹配intmaxSum=nums[0];for(inti=1;i<n;i++){// 加上当前值变大?不加当前值?// 变大intnum=nums[i];// 无脑直接加if(num>=0){maxSum+=num;}else{// 如果不是呢?// 也不能贸然丢弃 因为连续起来,后来可能又大于0的?// 那...