iSum = iSum; } } public int maxSubArray(int[] nums) { return getInfo(nums, 0, nums.length - 1).mSum; } public Status getInfo(int[] a, int l, int r) { if (l == r) { return new Status(a[l], a[l], a[l], a[l]); } int m = (l + r) >> 1; Status lSub =...
public int crossSum(int[] nums, int left, int right, int p) { if (left == right) return nums[left]; int leftSubsum = Integer.MIN_VALUE; int currSum = 0; for(int i = p; i > left - 1; --i) { currSum += nums[i]; leftSubsum = Math.max(leftSubsum, currSum); } in...
The maximum sum in the first I elements is either the maximum sum in the first i - 1 elements (which we'll call MaxSoFar), or it is that of a subvector that ends in position i (which we'll call MaxEndingHere). MaxEndingHere is either A[i] plus the previous MaxEndingHere, or ...
int maxSubArray(vector<int>& nums) { // 暴力求解 int maxValue = -100000; for (int i = 0; i < nums.size(); i++) //遍历起始值 { int nowSub = 0; for (int j = i; j < nums.size(); j++) // 全部遍历一遍 { nowSub += nums[j]; if (nowSub > maxValue) maxValue = ...
int maxSubArray(int A[], int n) { int ret=maxsub(A,0,n-1); return ret; } protected: int maxsub(int A[], int start, int end) { int max_left=INT_MIN,max_mid=INT_MIN,max_right=INT_MIN; if(start==end) return A[start]; ...
Palindromic Substrings 相向双指针:(以two sum为基础的一系列题) Leetcode 1. Two Sum (这里使用的是先排序的双指针算法,不同于hashmap做法) Leetcode 167. Two Sum II - Input array is sorted Leetcode 15. 3Sum Leetcode 16. 3Sum Closest Leetcode 18. 4Sum Leetcode 454. 4Sum II Leet...
0215 Kth Largest Element in an Array LeetCode 力扣 Python CSDN Medium 快排、堆 0222 Count Complete Tree Nodes完全二叉树的节点个数 LeetCode 力扣 Python CSDN Medium 二叉树 0225 Implement Stack using Queues LeetCode 力扣 Python CSDN Easy 栈、队列 0226 Invert Binary Tree LeetCode 力扣 Python Go ...
117 find-minimum-in-rotated-sorted-array-ii 📗 Easy LeetCode Array 118 find-peak-element 📗 Medium LeetCode Array 119 jump-game 📗 Medium LeetCode DP 120 jump-game-ii 📗 Hard LeetCode DP 121 max-chunks-to-make-sorted 📗 Medium LeetCode Array 122 maximum-swap 📗 Medium LeetCod...
0695 Max Area of Island Go 62.7% Medium 0696 Count Binary Substrings 56.0% Easy 0697 Degree of an Array Go 53.8% Easy 0698 Partition to K Equal Sum Subsets 44.9% Medium 0699 Falling Squares Go 41.8% Hard 0700 Search in a Binary Search Tree 73.1% Easy 0701 Insert into a Binary...
【题目】Given a non-empty array containing only positive integers, find if the array can be partitioned into two subsets such that the sum of elements in both subsets is equal. Note: Each of the array element will not exceed 100. The array size will not exceed 200. Example 1: ...