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Title	Difficulty	Companies
Phone Number Prefix	Easy
Find Subsequence of Length K With the Largest Sum	Easy
Divide a String Into Groups of Size k	Easy
Maximum Difference Between Increasing Elements	Easy
Maximum Difference by Remapping a Digit	Easy
Maximum Difference Between Adjacent Elements in a Circular Array	Easy
Maximum Difference Between Even and Odd Frequency I	Easy
Ant on the Boundary	Easy
Distribute Candies Among Children I	Easy
Distribute Candies	Easy	liveramp microsoft
Alternating Groups 1	Easy
Alternating Digit Sum	Easy
Adjacent Increasing Subarrays Detection I	Easy
Account Balance After Rounded Purchase	Easy
1-bit and 2-bit Characters	Easy	google ixl microsoft quora
Divisible and Non-divisible Sums Difference	Easy
Find Words Containing Character	Easy
Print all substrings of a given string	Easy
Add one to a number without using plus or minus sign	Easy
All Permutations of a String 3 in Lexicographic Order	Easy
Assign Mice To Holes	Easy	amazon
Button with Longest Push Time	Easy
Calculate floor of Log2n without using built-in function	Easy
Check if given undirected graph is connected	Easy
Check if ith bit is set in a 32 bit integer	Easy
Check if number is odd or even	Easy
Clear the n-th bit	Easy
Count all divisors of a natural number	Easy
Count Binary Strings Without Consecutive 1s	Easy
Count Employees per department	Easy
Count number of ways to fill an n x 4 grid using 1 x 4 tiles	Easy
Count of Pairs of Squares Summing to N Squared	Easy
Count Squares on a Chessboard	Easy
Count the divisors of a given number	Easy
Create a word with a single 0-bit at the position of the rightmost 1-bit	Easy
Create a word with a single 1-bit at the position of the rightmost 0-bit	Easy
Decrypt Word with cumulative ASCII shift	Easy
Detect Cycle in Undirected Graph	Easy	pandora
Determine whether two lines would intersect on a Cartesian plane	Easy
Double Stacks	Easy
Factorial of a Number	Easy
Fast way to multiply a number by 7	Easy
Fibonacci Iterator	Easy
Find a line to cut two squares in half	Easy
Find all divisors of a natural number	Easy
Find Even Occurring Element	Easy
Find First Index Where Zeros Begin in Binary Array	Easy
Find if there is a path between two vertices in a directed graph	Easy	google facebook amazon microsoft
Find Largest element in array	Easy
Find last digit of Nth Fibonacci Number	Easy