how to write a program in C++ which receives 10 numbers from input and checks whether these numbers are in ascending order or not? [closed]

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I am a newbie. And I wa开发者_如何学编程nt to do this program without using array and only with 3 variables. Looking forward for your help. I stuck up here:

#include<iostream>
#include <math.h>
using namespace std;

int main()
{
    float a,b,c;

    cout << "Please Enter the numbers: " << endl;
    for(float k=0; k<=9; k++)
    {
        cout << "Enter number " << k+1 << " : ";
        cin >> c    
    }
}

I am not getting the part how to take the values in a & b and compare them with each other. Please let me know if I am heading towards wrong direction. looking forward for the help.

Thanks in advance.

Regard, Sam

---

You only need two variables, not three.

#include <iostream>
#include <limits>

using namespace std;

int main(int argc, char* argv[]){

  float old = std::numeric_limits<float>::min(), current = 0.f;

  for(int i = 0; i < 10; i++){

    std::cin >> current;

    if(current > old){
      old = current;
    }else{
      std::cout << "Not ascending order!" << std::endl;
      return 0;
    }
  }
  std::cout << "Ascending order!" << std::endl;
  return 0;
}