LeetCode 3005: Count Elements With Maximum Frequency Solution
Master LeetCode problem 3005 (Count Elements With Maximum Frequency), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
3005. Count Elements With Maximum Frequency
Problem Explanation
Explanation
To solve this problem, we will iterate through the array to count the frequency of each element. Then, we will find the maximum frequency. Finally, we will iterate through the frequencies to count how many elements have the maximum frequency.
- Initialize a hashmap to store the frequency of each element.
- Iterate through the array to count the frequency of each element.
- Find the maximum frequency.
- Iterate through the frequencies to count how many elements have the maximum frequency.
Time Complexity: O(n) Space Complexity: O(n)
Solution Code
import java.util.*;
class Solution {
public int countMaxFrequency(int[] nums) {
Map<Integer, Integer> freqMap = new HashMap<>();
for (int num : nums) {
freqMap.put(num, freqMap.getOrDefault(num, 0) + 1);
}
int maxFrequency = 0;
for (int freq : freqMap.values()) {
maxFrequency = Math.max(maxFrequency, freq);
}
int count = 0;
for (int freq : freqMap.values()) {
if (freq == maxFrequency) {
count++;
}
}
return count;
}
}Try It Yourself
Loading code editor...
Related LeetCode Problems
Frequently Asked Questions
How to solve LeetCode 3005 (Count Elements With Maximum Frequency)?
This page provides optimized solutions for LeetCode problem 3005 (Count Elements With Maximum Frequency) in Java, C++, and Python, along with a detailed explanation and an interactive code editor to test your code.
What is the time complexity of LeetCode 3005 (Count Elements With Maximum Frequency)?
The time complexity for LeetCode 3005 (Count Elements With Maximum Frequency) varies by solution. Check the detailed explanation section for specific complexities in Java, C++, and Python implementations.
Can I run code for LeetCode 3005 on DevExCode?
Yes, DevExCode provides an interactive code editor where you can write, test, and run your code for LeetCode 3005 in Java, C++, or Python.