You are given an array nums consisting of positive integers.
Return the total frequencies of elements in nums such that those elements all have the maximum frequency.
The frequency of an element is the number of occurrences of that element in the array.
Example 1:
Input: nums = [1,2,2,3,1,4] Output: 4 Explanation: The elements 1 and 2 have a frequency of 2 which is the maximum frequency in the array. So the number of elements in the array with maximum frequency is 4.
Example 2:
Input: nums = [1,2,3,4,5] Output: 5 Explanation: All elements of the array have a frequency of 1 which is the maximum. So the number of elements in the array with maximum frequency is 5.
Constraints:
1 <= nums.length <= 1001 <= nums[i] <= 100This approach uses an iterative method to traverse the structure utilizing a stack for efficient element retrieval and management. This reduces the overhead associated with recursion, like function call stack management.
This C program uses a stack data structure to store integers and perform basic stack operations such as push and pop. The stack is implemented using an array with helper functions to manage stack operations.
C++
Time Complexity: O(1) for both push and pop operations.
Space Complexity: O(n) where n is the capacity of the stack.
This approach utilizes a recursive method to process elements. It is intuitive and straightforward but needs careful consideration of recursive depth and stack limits in various environments.
This Java program computes the factorial of a number using a recursive method, demonstrating the straightforwardness and concise nature of recursion.
Python
Time Complexity: O(n) where n is the input number.
Space Complexity: O(n) due to recursive call stack.
| Approach | Complexity |
|---|---|
| Approach 1: Iterative Traversal with Stack | Time Complexity: O(1) for both push and pop operations. |
| Approach 2: Recursive Method | Time Complexity: O(n) where n is the input number. |
Top K Frequent Elements - Bucket Sort - Leetcode 347 - Python • NeetCode • 665,789 views views
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