1304. Find N Unique Integers Sum up to Zero

class Solution {
public:
    vector<int> sumZero(int n) {
        vector<int> v;

        if(n%2==0){
            for(int i=1; i<=n/2; i++){
                v.push_back(i);
                v.push_back(-i);
            }
        }

        else{
            v.push_back(0);
            for(int i=1; i<=n/2; i++){
                v.push_back(i);
                v.push_back(-i);
            }
        }

        return v;
    }
};