easy-coding-problem
Find Missing Element
Problem Statement: Write a function to find the missing element from given two arrays. Example: [1, 2, 4, 7, 9], [7, 9, 4, 2] --> 1.
3 min read • ReadValid Elements in a sorted array
Problem Statement: Write a function to count number of distinct elements in a given sorted array. Example: [1, 1, 2, 3, 4, 4, 5] --> 5
2 min read • ReadString Compression
Problem statement : Write a function to Compress a given string. Only return the compressed string if it saves space. Example: 'BBBAACCCCDD' --> 'B3A2C4D2'.
2 min read • Read