LeetCode 1304: Find N Unique Integers Sum up to Zero Solution
Master LeetCode problem 1304 (Find N Unique Integers Sum up to Zero), 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.
Problem Explanation
Explanation
To solve this problem, we can create an array of size n and fill it with integers from -n/2 to n/2 (inclusive). If n is odd, we can set the middle element to 0 to ensure that the sum is 0. This way, we will have n unique integers that add up to 0.
Solution Code
class Solution {
public int[] sumZero(int n) {
int[] result = new int[n];
int start = -(n / 2);
for (int i = 0; i < n; i++) {
result[i] = start++;
}
return result;
}
}Try It Yourself
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