Find n unique integers sum up to zero

Array Math

78.5% acceptance

Feb 25, 2026

2484

620

Given an integer n, return any array containing n unique integers such that they add up to 0.

Solution

Rust

Time O(n)

Space O(1)

LeetCode

solution.rs

impl Solution {
  pub fn sum_zero(n: i32) -> Vec<i32> {
    let mut res: Vec<i32> = (1..n).collect();
    let s: i32 = res.iter().sum();
    res.push(-s);
    res
  }
}