Missing Number
You are given an array nums containing n distinct numbers taken from the range . The array has one missing number from this range. Find the missing number. Sample Input…
Cyclic Sort
Set Mismatch
You have a set of integers nums that contains integers from 1 to n. However, there is one duplicate number and one missing number in the set. Return an array…
Find the Duplicate Number
Given an array nums containing n + 1 integers where each integer is in the range , prove that there is only one duplicate number in the array. Return this…
Find All Numbers Disappeared in an Array
Given an array nums of n integers where each integer is in the range , return an array of all the integers that do not appear in the array, sorted…
Find All Duplicates in an Array
Given an array nums of n integers where each integer is in the range , return an array of all the integers that appear more than once in the array,…
First Missing Positive
Given an unsorted integer array nums, find the smallest missing positive integer.
Kth Missing Positive Number
Given an array arr of positive integers sorted in ascending order, and an integer k, find the kth positive integer that is missing from the array.