haunted_2.cpp

int matrixElementsSum(std::vector<std::vector<int>> matrix) {
    int price  = 0;

    for (int row = 0; row < matrix[0].size(); ++row) {
        for (int col = 0; col < matrix.size(); ++col) {
            if (matrix[col][row] == 0) {
                break;
            } else {
                price += matrix[col][row];
            }
        }
    }
    
    return price;
}