Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

Can you solve this real interview question? Palindrome Number - Given an integer x, return true if x is a palindrome, and false otherwise. Example 1: Input: x = 121 Output: true Explanation: 121 reads as …

Can you solve this real interview question? Climbing Stairs - You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can …

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

Can you solve this real interview question? Word Break - Given a string s and a dictionary of strings wordDict, return true if s can be segmented into a space-separated sequence of one or more …

Can you solve this real interview question? Find First and Last Position of Element in Sorted Array - Given an array of integers nums sorted in non-decreasing order, find the starting and ending position …

You are given the heads of two sorted linked lists list1 and list2. Merge the two lists into one sorted list. The list should be made by splicing together the nodes of the first two lists. Return the head of the …

Can you solve this real interview question? Running Sum of 1d Array - Given an array nums. We define a running sum of an array as runningSum [i] = sum (nums [0]…nums [i]). Return the running sum of …

Can you solve this real interview question? Find if Path Exists in Graph - There is a bi-directional graph with n vertices, where each vertex is labeled from 0 to n - 1 (inclusive). The edges in the graph are …

Can you solve this real interview question? Missing Number - Given an array nums containing n distinct numbers in the range [0, n], return the only number in the range that is missing from the array. …