Random program generator for optimists

main.cc

// Compile with g++ -std=c++11 -O2 main.c -o main

#include <iostream>
#include <fstream>
#include <string>
#include <random>
#include <ctime>
#include <cstdlib>

using namespace std;

int main(int argc, char *argv[]) {
  // To generate random numbers:
  mt19937_64 rng(time(0));
  uniform_real_distribution<> unif;
  uniform_int_distribution<char> rchar(35, 125);
  
  // Size of the program:
  const int size = (int)(unif(rng) * 10000);

  // Print program:
  ofstream program("program.cc");
  for (int i = 0; i < size; ++i) {
    program << rchar(rng);
  }
  program.close();
  
  // Compile and execute!
  system("g++ program.cc -o program && ./program");
  return 0;
}