LeetCode

Given an integer array nums and an integer k, return the length of the shortest non-empty subarray o

You are given an $n \times n$ binary matrix grid where 1 represents land and 0 represents water. An

Given an integer array nums, partition it into two (contiguous) subarrays left and right so that: Ev

You are given two strings word1 and word2. Merge the strings by adding letters in alternating order,

We have n jobs, where every job is scheduled to be done from startTime[i] to endTime[i], obtaining a

Design an algorithm that collects daily price quotes for some stock and returns the span of that sto

We build a table of n rows (1-indexed). We start by writing 0 in the 1-st row. Now in every subseque

The school cafeteria offers circular and square sandwiches at lunch break, referred to by numbers 0

Given an array of digits which is sorted in non-decreasing order. You can write numbers using each d

You are visiting a farm that has a single row of fruit trees arranged from left to right. The trees

We want to split a group of n people (labeled from 1 to n) into two groups of any size. Each person

You are given an integer array target and an integer n. You have an empty stack with the two followi

Given a string s, return the number of distinct non-empty subsequences of s. Since the answer may be

You are given an integer array arr of length n that represents a permutation of the integers in the

You are given the head of a linked list containing unique integer values and an integer array nums t

You are given two strings s1 and s2 of equal length. A string swap is an operation where you choose

You are given two integer arrays of the same length nums1 and nums2. In one operation, you are allow

Given a balanced parentheses string s, return the score of the string. The score of a balanced paren

You are given two integer arrays nums1 and nums2 both of the same length. The advantage of nums1 wit

Given an array of positive integers nums, return the maximum possible sum of an ascending subarray i