Easy Problems

Check if Array Is Sorted and Rotated

Max Consecutive Ones

Move Zeroes

Rotate arr by k elements

Remove Duplicates in array

Missing Number

Single number out of all double duplicates

Union of Two Sorted Arrays

Array Leaders

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 Rearrange Array Elements by Sign

Maximum Subarray(kadane’s algo)

Majority Element

Medium Problems

2sum

Search a 2D Matrix(similar to binary search)