How to produce a random vehicle number (i.e RJ14CG3894) using rand() function ?

Question

It must consist of state code such as RJ or MP... or such followed by two alphabets and 4 digit Numbers.

C++

Answer 1

//==========================
// Vehicle number generator
// Done for: bhuwan Chandna
// By : Babak Sheykhan
//==========================

#include <iostream>
#include <string>
#include <cstdlib>
#include <ctime>
using namespace std;

int main()
{
srand(static_cast<size_t>(time(0)));

string num = "xxyyxxyyyy"; // x: letter, y: number
for (auto i = 0; i < num.length(); ++i) {
if (num.at(i) == 'x') num.at(i) = 65 + rand() % (91 - 65);
else num.at(i) = 48 + rand() % (58 - 48);
}
cout << num;
}

[https://code.sololearn.com/cM7oGReNXXqe]

Answer 2

Student must listen to his mentor more than ever. Thank you dear JPM7. @~)~~~~

Answer 3

What's the vehicle numbers' syntax?