### Messages

1/22/2022

17 : 54

**Daily Coding Problem: Problem #655 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Facebook. Given a 32-bit integer, return the number with its bits reversed. For example,

1/21/2022

17 : 44

**Daily Coding Problem: Problem #654 [Medium]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Amazon. Given a string, find the length of the smallest window that contains every

1/20/2022

17 : 44

**Daily Coding Problem: Problem #653 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Google. You are given given a list of rectangles represented by min and max x- and y-

1/19/2022

17 : 54

**Daily Coding Problem: Problem #652 [Hard]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Apple. You are going on a road trip, and would like to create a suitable music playlist.

1/18/2022

17 : 44

**Daily Coding Problem: Problem #651 [Medium]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by LinkedIn. Determine whether a tree is a valid binary search tree. A binary search tree

1/17/2022

18 : 4

**Daily Coding Problem: Problem #650 [Hard]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Google. Let A be an N by M matrix in which every row and every column is sorted. Given i

1/16/2022

17 : 44

**Daily Coding Problem: Problem #649 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Google. Given a string, return the first recurring character in it, or null if there is

1/15/2022

17 : 54

**Daily Coding Problem: Problem #648 [Medium]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This question was asked by Snapchat. Given the head to a singly linked list, where each node also has a “random”

1/14/2022

17 : 44

**Daily Coding Problem: Problem #647 [Medium]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Facebook. Given a multiset of integers, return whether it can be partitioned into two

1/13/2022

18 : 4

**Daily Coding Problem: Problem #646 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Twitter. A classroom consists of N students, whose friendships can be represented in an

1/13/2022

15 : 30

**Daily Coding Problem: Problem #645 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Microsoft. Given a 2D matrix of characters and a target word, write a function that

1/11/2022

17 : 54

**Daily Coding Problem: Problem #644 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Google. A unival tree (which stands for "universal value") is a tree where all

1/10/2022

17 : 44

**Daily Coding Problem: Problem #643 [Hard]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by YouTube. Write a program that computes the length of the longest common subsequence of

1/9/2022

17 : 44

**Daily Coding Problem: Problem #642 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Pivotal. A step word is formed by taking a given word, adding a letter, and anagramming

1/8/2022

17 : 44

**Daily Coding Problem: Problem #641 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Amazon. Given a sorted array, find the smallest positive integer that is not the sum of

1/7/2022

17 : 54

**Daily Coding Problem: Problem #640 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Google. You are given a starting state start , a list of transition probabilities for a

1/6/2022

17 : 54

**Daily Coding Problem: Problem #639 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Yelp. Given a mapping of digits to letters (as in a phone number), and a digit string,

1/5/2022

18 : 4

**Daily Coding Problem: Problem #638 [Medium]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Google. Given a string of words delimited by spaces, reverse the words in string. For

1/4/2022

17 : 44

**Daily Coding Problem: Problem #637 [Easy]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Snapchat. Given a list of possibly overlapping intervals, return a new list of intervals

1/3/2022

18 : 4

**Daily Coding Problem: Problem #636 [Medium]**

Daily Coding Problem Good morning! Here's your coding interview problem for today. This problem was asked by Uber. Suppose an array sorted in ascending order is rotated at some pivot unknown to you