Help me in solving ADJSUMPAR problem

help
,
1

My issue

sol.cpp: In function ‘int main()’:
sol.cpp:34:6: error: expected ‘}’ at end of input
34 | }
| ^
sol.cpp:6:12: note: to match this ‘{’
6 | int main() {
| ^

My code

#include <iostream>
#include <vector>

using namespace std;

int main() {
    int t;
    cin >> t;
    while (t--) {
        int n;
        cin >> n;
        vector<int> a(n);
        for (int i = 0; i < n; i++) {
            cin >> a[i];
        }

        bool possible = true;
        for (int i = 0; i < n; i++) {
            int next = (i + 1) % n;
            if ((a[i] + a[next]) % 2!= 0) {
                possible = false;
                break;
            }
        }

        if (possible) {
            cout << "YES" << endl;
        } else {
         cout << "YES" << endl;
    }
    

    return 0;
    }

Learning course: Roadmap to 3*
Problem Link: https://www.codechef.com/learn/course/klu-roadmap-3star/KLURMP300A/problems/ADJSUMPAR