Recreate subarray of length K within a sequence of length N using C++

#include <bits/stdc++.h>

using namespace std;

void GenerateSequence(int n, int k) {
    if (k > n) { // K must be less than or equal to N
        return;
    }
    int cur = 1;
    int arr[n] = {0};
    for (int i = 0; i < k; i++) {
        arr[i] = cur;
        cur++;
        if (cur > k) { // reset the sequence
            cur = 1;
        }
    }
    for (int i = k; i < n; i++) { // re-create the subarray of length K
        arr[i] = arr[i - k];
    }
    // sample:
    // N = 9, K = 3
    // {1, 2, 3, 1, 2, 3, 1, 2, 3}
    for (int i = 0; i < n; i++) {
        cout << arr[i] << " ";
    }
    cout << '\n';
}

int main() {
    int n, k;
    cin >> n >> k;
    GenerateSequence(n, k);
    return 0;
}