Arrays: Given an array, and value K find the k th distinct element among unique elements in an array
Problem Statement: You are given an array and a value “k”. The array may have duplicates and the output should print the k-th…
Arrays: Given an array, check if it has any duplicate elements, 2 solutions
Your program should return true if the array has duplicates, else return false if all the array elements are unique. Example: Input: [1, 2, 3,…
Arrays: Given a string, reverse all the vowels in the string
Example 1: Input: hello Output: holle Example 2: Input: prodevelopertutorial Output: pradivolupertotereol We can solve this problem in 2…
Arrays: Get minimum number of moves to sort an array
Problem Statement: You are given an array and elements are in the range of 1 to n. You need to count the number of move to front operations to…
Arrays: Given an array, move all the negative number to the end by preserving the relative order.
Problem Statement: You are given an array, you need to find the prefix sum of the array. Prefix sum array is a new array of same size of…
Arrays: Given an array, find the minimum operations to make binary array to one
Problem Statement: You are given a binary array, you need to choose any 3 consecutive elements and you need to flip al the 3 elements. By…
Arrays: Given an array, find minimum number of swaps required to sort the array
Problem Statement: You are given an array. You need to find the minimum number of swaps required to sort the array. Example: Input: arr[] = {…
Arrays: Find the closest greater element for every array element from another array
Problem Statement: You are given 2 arrays a[] and b[], you need to build a new array c[], such that every element of c[i], contains a value…
Arrays: Print in a Circular Array
Problem Statement: You are given an array, and a name, you need to print all the people in the array staring from the given name. We consider…
Arrays: Given an array and a number n, rotate the array by n steps to its right.
Example: Array = {1, 2, 3, 4, 5 ,6, 7}; n = 4 Explanation: —————————— rotate 1…