LeetCode 1464: Maximum Product of Two Elements in an Array Solution
Master LeetCode problem 1464 (Maximum Product of Two Elements in an Array), 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.
1464. Maximum Product of Two Elements in an Array
Problem Explanation
Explanation
To find the maximum product of two elements in an array, we can simply find the two largest elements in the array and subtract 1 from each before multiplying them together. We can iterate through the array once to find the largest and second largest elements. The time complexity of this approach is O(n) where n is the length of the array, and the space complexity is O(1).
Solution Code
class Solution {
public int maxProduct(int[] nums) {
int max1 = Integer.MIN_VALUE;
int max2 = Integer.MIN_VALUE;
for (int num : nums) {
if (num > max1) {
max2 = max1;
max1 = num;
} else if (num > max2) {
max2 = num;
}
}
return (max1 - 1) * (max2 - 1);
}
}Try It Yourself
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