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463. Island Perimeter

Posted on 2025-03-29 Edited on 2025-04-20 In Leetcode

463. Island Perimeter

Description

You are given row x col grid representing a map where grid[i][j] = 1 represents land and grid[i][j] = 0 represents water.

1041. Robot Bounded In Circle

Posted on 2025-03-29 Edited on 2025-04-20 In Leetcode

1041. Robot Bounded In Circle

Description

On an infinite plane, a robot initially stands at (0, 0) and faces north. Note that:

759. Employee Free Time

Posted on 2025-03-29 Edited on 2025-04-20 In Leetcode

759. Employee Free Time

Description

We are given a list schedule of employees, which represents the working time for each employee.

1352. Product of the Last K Numbers

Posted on 2025-03-29 Edited on 2025-04-20 In Leetcode

1352. Product of the Last K Numbers

Description

Design an algorithm that accepts a stream of integers and retrieves the product of the last k integers of the stream.

706. Design HashMap

Posted on 2025-03-29 Edited on 2025-04-20 In Leetcode

706. Design HashMap

Description

Design a HashMap without using any built-in hash table libraries.

705. Design HashSet

Posted on 2025-03-29 Edited on 2025-04-20 In Leetcode

705. Design HashSet

Description

Design a HashSet without using any built-in hash table libraries.

189. Rotate Array

Posted on 2025-03-29 Edited on 2025-04-20 In Leetcode

189. Rotate Array

Description

Given an integer array nums, rotate the array to the right by k steps, where k is non-negative.

93. Restore IP Addresses

Posted on 2025-03-28 Edited on 2025-04-20 In Leetcode

93. Restore IP Addresses

Description

A valid IP address consists of exactly four integers separated by single dots. Each integer is between 0 and 255 (inclusive ) and cannot have leading zeros.

2560. House Robber IV

Posted on 2025-03-28 Edited on 2025-04-20 In Leetcode

2560. House Robber IV

Description

There are several consecutive houses along a street, each of which has some money inside. There is also a robber, who wants to steal money from the homes, but he refuses to steal from adjacent homes .

2401. Longest Nice Subarray

Posted on 2025-03-28 Edited on 2025-04-20 In Leetcode

2401. Longest Nice Subarray

Description

You are given an array nums consisting of positive integers.

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