Code Archives - Page 5 of 33

Solved! Leetcode 1376. Time Needed to Inform All Employees

Jul

7

2023

source: https://leetcode.com/problems/time-needed-to-inform-all-employees/description/ Time Needed to Inform All Employees Table of ContentsTime Needed to Inform All EmployeesDescriptionExample 1:Example 2:Constraints:Solution Description A company has n employees with a unique ID for each employee from 0 to n – 1. The head of the company is the one with headID. Each employee has one direct manager given in ...

Solved! Leetcode 1214. Two Sum BSTs

Jul

5

2023

source: https://leetcode.com/problems/two-sum-bsts/ Two Sum BSTs Description Given the roots of two binary search trees, root1 and root2, return true if and only if there is a node in the first tree and a node in the second tree whose values sum up to a given integer target. Example 1: Input: root1 = [2,1,4], root2 = ...

Solved! Leetcode 2462. Total Cost to Hire K Workers 1

Jun

28

2023

source: https://leetcode.com/problems/total-cost-to-hire-k-workers/description/ Total Cost to Hire K Workers Table of ContentsTotal Cost to Hire K WorkersDescriptionExample 1:Example 2:Constraints:Solution Description You are given a 0-indexed integer array costs where costs[i] is the cost of hiring the ith worker. You are also given two integers k and candidates. We want to hire exactly k workers according to ...

Solved! Leetcode 1575. Count All Possible Routes

Jun

27

2023

source: https://leetcode.com/problems/count-all-possible-routes/ Count All Possible Routes Description You are given an array of distinct positive integers locations where locations[i] represents the position of city i. You are also given integers start, finish and fuel representing the starting city, ending city, and the initial amount of fuel you have, respectively. At each step, if you are ...

Solved! Leetcode 2090. K Radius Subarray Averages

Jun

23

2023

source: https://leetcode.com/problems/k-radius-subarray-averages/description/ Table of ContentsK Radius Subarray AveragesDescriptionExample 1:Example 2:Example 3:Constraints:Solution K Radius Subarray Averages Description You are given a 0-indexed array nums of n integers and an integer k. The k-radius average for a subarray of nums centered at some index i with the radius k is the average of all elements in nums between ...

Solved! Leetcode 1732. Find the Highest Altitude

Jun

23

2023

source: https://leetcode.com/problems/find-the-highest-altitude/description/ Find the Highest Altitude Table of ContentsFind the Highest AltitudeDescriptionExample 1:Example 2:Constraints:Solution Description There is a biker going on a road trip. The road trip consists of n + 1 points at different altitudes. The biker starts his trip on point 0 with altitude equal 0. You are given an integer array gain ...

Solved! Leetcode 2352. Equal Row and Column Pairs

Jun

20

2023

source: https://leetcode.com/problems/equal-row-and-column-pairs/description/ Equal Row and Column Pairs Description Given a 0-indexed n x n integer matrix grid, return the number of pairs (ri, cj) such that row ri and column cj are equal. A row and column pair are considered equal if they contain the same elements in the same order (i.e., an equal array). ...

Solved! Leetcode 163. Missing Ranges

Jun

15

2023

source: https://leetcode.com/problems/missing-ranges/description/ Missing Ranges Table of ContentsMissing RangesDescriptionExample 1:Example 2:Constraints:Solution Description You are given an inclusive range [lower, upper] and a sorted unique integer array nums, where all elements are within the inclusive range. A number x is considered missing if x is in the range [lower, upper] and x is not in nums. Return ...

Solved! Leetcode 1150. Check If a Number Is Majority Element in a Sorted Array

Jun

14

2023

source: https://leetcode.com/problems/check-if-a-number-is-majority-element-in-a-sorted-array/description/ Check If a Number Is Majority Element in a Sorted Array Table of ContentsCheck If a Number Is Majority Element in a Sorted ArrayDescriptionExample 1:Example 2:Constraints:Solution Description Given an integer array nums sorted in non-decreasing order and an integer target, return true if target is a majority element, or false otherwise. A majority ...

Solved! Leetcode 1146. Snapshot Array

Jun

13

2023

source: https://leetcode.com/problems/summary-ranges/description/ Snapshot Array Table of ContentsSnapshot ArrayDescriptionExample 1:Constraints:Solution Description Implement a SnapshotArray that supports the following interface: SnapshotArray(int length) initializes an array-like data structure with the given length. Initially, each element equals 0. void set(index, val) sets the element at the given index to be equal to val. int snap() takes a snapshot of ...