LeetCode 2587: Rearrange Array to Maximize Prefix Score Solution
Master LeetCode problem 2587 (Rearrange Array to Maximize Prefix Score), 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.
2587. Rearrange Array to Maximize Prefix Score
Problem Explanation
Explanation:
To maximize the prefix score, we should rearrange the array in such a way that positive numbers are placed towards the beginning. This will increase the number of positive integers in the prefix array. To achieve this, we can follow the below algorithm:
- Sort the array in non-increasing order.
- Iterate through the sorted array and count the number of positive integers.
- Return the count as the maximum score.
Time Complexity: O(n log n) where n is the number of elements in the array due to sorting. Space Complexity: O(1) as we are using constant extra space.
:
Solution Code
import java.util.Arrays;
class Solution {
public int maxScore(int[] nums) {
Arrays.sort(nums);
int count = 0;
for (int num : nums) {
if (num > 0) {
count++;
} else {
break;
}
}
return count;
}
}Try It Yourself
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