Coding Interview Questions

Problem Statement: Given an array, you need to 2 elements in the array, such that the sum of all the elements of the array is equal to 2…

Problem Statement: You are given an array, you need to find Pythagorean triplet. Pythagorean triplet = a^2 +b^2 = c^2 Example: Input: arr[] =…

Problem Statement: You are given a string s and key k, you need to check if all the occurrence of k are together Example: Input: s =…

Problem Statement: You are given a sorted array and a value x. You need to find the index of ceiling of x, such that it is the smallest…

Problem Statement: You are given an array, you need to find all the possible index of triplet, such that the sum is equal to zero. Example:…

Problem Statement: You are given an array with +ve and -ve integers, return a pair with highest product Example: Input [1, 3, -4, 2, -5]…

Problem Statement: You are given a array of a range. There are some numbers missing. You need to find how many numbers needs to be added to…

Problem Statement: You are given an array that has number repeating once or twice. You need to identify the numbers that occurs once in an…

Problem Statement: Given an unsorted array, find the minimum difference between any pair in the given array Example: Input: [1, 4, 8, 6, 11,…

Problem Statement: You are given an array, you need to remove the elements form the array to make the array as sorted. Example: Input: arr =…