Finding the min and max

[obliviga]

Hello all. I wrote a program that gives me 100 random values from the range between -100 to +100. How am I supposed to find the minimum, maximum, and average of the values that will be listed when I run the program? I appreciate the help anyone can give me. Also, this is for a class and we are not allowed to use Arrays. Thanks again.
Here is what I have so far:

#include "stdafx.h"  
#include <windows.h>
#include <iostream>
//#include <conio.h>
#include <ctime>
#include <cstdlib>
using namespace std;

float main() {
	
{
	srand((unsigned)time(0));

		float random_integer;
		float lowest=-100.00, highest=100.00;
		float range=(highest-lowest)+1;

	for(float index=0; index<100; index++) {

	random_integer = lowest+float(range*rand()/(RAND_MAX + 1.0));
	cout << random_integer << endl; }

	

	float sum;
	float average;
	float minimum, maximum;

	minimum= (not sure what to put here...);

	cout << ("Minimum:")<<minimum  << endl;

//_getch();
system("pause");
} 
    }

[MrHutch]

If you can't use arrays then you just have to implement checks for the lowest/highest etc in the loop.

Here's a short example of the lowest. You can make the necessary changes to adapt it to your program.

#include <iostream>
#include <ctime>

int main( int argc, char* argv[] )
{
  // Seed PRNG
  srand( time( NULL ) );

  // Lowest number data
  int lowest = 100, lowestIdx = -1;
  int n;

  // Number of iterations
  const int MAX_NUMS = 100;

  for( int i=0; i < MAX_NUMS; i++ )
  {
    n = rand()%100 + 1;

    if( n < lowest )
    {
      lowest = n;
      lowestIdx = i;
    }
  }

  std::cout << "The lowest number was " << lowest\
            << " found at iteration " << lowestIdx << std::endl;
}

Finding the highest would be very similar. Finding the average would be keeping a running sum of the numbers then dividing them by 100 post loop.