Missing Number
Explore how to find the missing number in an array with distinct integers using the cyclic sort pattern. This lesson helps you master a common interview problem by implementing an efficient solution in Go, strengthening your ability to solve sorting and array manipulation challenges.
We'll cover the following...
Statement
Given an array, nums, containing distinct numbers in the range , return the only number in the range that is missing from the array.
Constraints:
-
nums.length -
nums[i] - There are no duplicates in the array.
Examples
Understand the problem
Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:
Missing Number
What would be the output if the following array is given as input?
[0, 2, 4, 6, 7, 8, 3, 9, 5, 10]
11
2
1
3
Figure it out!
We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.
Try it yourself
Implement your solution in main.go in the following coding playground. The supporting code template provided in traversal.go is meant to assist in developing your solution to the problem.
package mainfunc findMissingNumber(nums []int) int {// Your code will replace this placeholder return statementreturn -1}