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  1. Prepare
  2. C++
  3. Introduction
  4. Variable Sized Arrays
  5. Discussions

Variable Sized Arrays

  • xingshanxie
     + 57 comments
    int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    int n, q, size, value, which, index;
    cin >> n >> q;
    vector<vector<int>> nvec;
    for (int i = 0; i < n; ++i) {
        cin >> size;
        vector<int> ivec;
        for (int j = 0; j < size; ++j) {
            cin >> value;
            ivec.push_back(value);
        }
        nvec.push_back(ivec);
    }
    for (int k = 0; k < q; ++k) {
        cin >> which >> index;
        cout << nvec[which][index] << endl;
    }
    return 0;
}