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371. Sum of Two Integers

Posted on 2025-01-08 Edited on 2025-10-25 In Leetcode

371. Sum of Two Integers

Description

Given two integers a and b, return the sum of the two integers without using the operators + and -.

846. Hand of Straights

Posted on 2025-01-08 Edited on 2025-10-25 In Leetcode

846. Hand of Straights

Description

Alice has some number of cards and she wants to rearrange the cards into groups so that each group is of size groupSize, and consists of groupSize consecutive cards.

332. Reconstruct Itinerary

Posted on 2025-01-08 Edited on 2025-10-25 In Leetcode

332. Reconstruct Itinerary

Description

You are given a list of airline tickets where tickets[i] = [from_i, to_i] represent the departure and the arrival airports of one flight. Reconstruct the itinerary in order and return it.

338. Counting Bits

Posted on 2025-01-08 Edited on 2025-10-25 In Leetcode

338. Counting Bits

Description

Given an integer n, return an array ans of length n + 1 such that for each i (0 <= i <= n), ans[i] is the number of 1‘s in the binary representation of i.

329. Longest Increasing Path in a Matrix

Posted on 2025-01-08 Edited on 2025-10-25 In Leetcode

329. Longest Increasing Path in a Matrix

Description

Given an m x n integers matrix, return the length of the longest increasing path in matrix.

312. Burst Balloons

Posted on 2025-01-08 Edited on 2025-10-25 In Leetcode

312. Burst Balloons

Description

You are given n balloons, indexed from 0 to n - 1. Each balloon is painted with a number on it represented by an array nums. You are asked to burst all the balloons.