Subarray with given sum
Count the triplets
Kadane’s Algorithm
Missing number in array
Merge two sorted arrays
Rearrange array alternatively
Number of pairs
Inversion of Array
Sort an array of 0s, 1s and 2s
Equilibrium point
Leaders in an array
Minimum Platforms
Reverse array in groups
K’th smallest element
Trapping Rain Water
Pythagorean Triplet
Chocolate Distribution Problem
Stock buy and sell
Element with left side smaller and right side greater
Convert array into Zig-Zag fashion
Last Index of 1
Spirally traversing a matrix
Largest Number formed from an Array