Understand how to identify all integers missing from an array where elements range from 1 to n. Learn to implement an efficient solution that runs in linear time and uses constant extra space, enhancing your skills in array manipulation and algorithm optimization.
Statement
Given an array, nums, of n integers where nums[i] is in the range [1,n], return an array of all the integers in the range [1,n] that doesn’t appear in nums.
Constraints:
n=nums.length
1≤n≤103
1≤nums[i]≤n
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:
Find All Numbers Disappeared in an Array
1.
What is the output if the following array is given as input?
nums = [1, 2, 7, 3, 8, 3, 4]
A.
[5, 6]
B.
[0, 5, 6]
C.
[1, 2, 3, 3, 4, 5, 6, 7, 8]
1 / 2
Try it yourself
Implement your solution in the following coding playground:
The optimal solution to this problem runs in O(n) time and takes O(1) space.
Understand how to identify all integers missing from an array where elements range from 1 to n. Learn to implement an efficient solution that runs in linear time and uses constant extra space, enhancing your skills in array manipulation and algorithm optimization.
Statement
Given an array, nums, of n integers where nums[i] is in the range [1,n], return an array of all the integers in the range [1,n] that doesn’t appear in nums.
Constraints:
n=nums.length
1≤n≤103
1≤nums[i]≤n
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:
Find All Numbers Disappeared in an Array
1.
What is the output if the following array is given as input?
nums = [1, 2, 7, 3, 8, 3, 4]
A.
[5, 6]
B.
[0, 5, 6]
C.
[1, 2, 3, 3, 4, 5, 6, 7, 8]
1 / 2
Try it yourself
Implement your solution in the following coding playground:
The optimal solution to this problem runs in O(n) time and takes O(1) space.