#include <iostream>
#include <ctime>
#include <cstdlib>
#include <iostream>
#include <vector>
 
using namespace std;
int main()
{
    srand(time(0));
 
    //Random number from 3 to 7
    int numberOfVectors = (rand() % 4) + 3;
 
    //Random number from 5 to 10.
    int size = (rand() % 5) + 5;
 
    std::cout << "There are " << numberOfVectors << " vectors." << std::endl;
    std::cout << "Each vector has " << size  << " elements." << std::endl;
 
    std::vector< std::vector<int> > vectorOfVectorOfInt;
 
    std::cout << "Value per element: 0 = Not available, 1 = available" << std::endl;
 
    for(int vec = 0; vec < numberOfVectors; vec++)
    {
        //Create a new vector with 'size' elements.
        std::vector<int> newVector(size);
 
        for(int i = 0; i < size; i++)
        {
            //Generate a random value between 0 and 50
            newVector[i] = (rand() % 50);
        }
 
        //Add the vector to our vector-of-vectors.
        vectorOfVectorOfInt.push_back(newVector);
 
        std::cout << "The values for Vector #" << (vec+1) << " is:";
        for(int b = 0; b < size; b++)
        {
            int value = vectorOfVectorOfInt[vec][b];
            std::cout << "\t" << value;
        }
        std::cout << std::endl;
    }
 
    return 0;
}

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