We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. C++
  3. Introduction
  4. Variable Sized Arrays
  5. Discussions

Variable Sized Arrays

  • abhinav00kr00
     + 0 comments

    using namespace std;

    int main() { int n, q; cin >> n >> q;

    vector<std::vector<int>> arr(n);

for (int i = 0; i < n; i++) {
    int size;
    cin >> size;

    arr[i].resize(size);

    for (int j = 0; j < size; j++) {
        cin >> arr[i][j];
    }
}

for (int k = 0; k < q; k++) {
    int i, j;
    cin >> i >> j;

    cout << arr[i][j] << endl;
}

return 0;

    }