LeetCode 1887: Reduction Operations to Make the Array Elements Equal Solution
Master LeetCode problem 1887 (Reduction Operations to Make the Array Elements Equal), a medium 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.
Problem Explanation
Explanation:
To solve this problem, we can follow these steps:
- Sort the input array in non-increasing order.
- Iterate through the sorted array and calculate the number of operations required based on the frequency of each element.
- Keep track of the total number of operations performed.
Time Complexity: O(nlogn) where n is the number of elements in the array due to sorting. Space Complexity: O(n) to store the frequency of each element.
:
Solution Code
class Solution {
public int reductionOperations(int[] nums) {
Arrays.sort(nums);
int n = nums.length;
int operations = 0;
int totalOps = 0;
for (int i = 1; i < n; i++) {
if (nums[i] != nums[i - 1]) {
operations++;
}
totalOps += operations;
}
return totalOps;
}
}Try It Yourself
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