Monotone

#include<iostream>

using namespace std;

float f(float x, float a,float b,float c)
{
    return ((a*x*x)+(b*x)+c);
}

float g(float x, float a,float b,float c)
{
    return ((((-a)*x*x)-c)/b);
}

int main()
{
    float a, b, c, root;
    int it, count=0;
    cout<<"Enter The Value of a : ";
    cin>>a;
    cout<<"Enter The Value of b : ";
    cin>>b;
    cout<<"Enter The Value of c: ";
    cin>>c;

    cout<<"Enter The Number of iterations : ";
    cin>>it;

    int X[it];
    cout<<"Enter The Initial Guess : ";
    cin>>X[0];

    for(int i=0; i<=it; i++){
        X[i+1] = g(X[i],a,b,c);
        if(X[i+1] > X[i])
            count++;
        else
            count = 0;
        if(count > 3)
            break;
    }

    cout<<"System has Monotone divergence"<<endl;

    return 0;
}