This C++ code defines functions for calculating the range of an object based on its initial velocity, time, and acceleration. It also defines a structure for storing numbers and a function for multiplying three numbers. The main function calls the range function, stores the result in a variable, calls a function to check if the result is positive or negative, and prints the outputs. It then defines three number objects, calls the multiplication function on their values, and prints the results while demonstrating pointer usage.

1. #include <iostream>
#include<iostream>
Using namespace std;
Float s;
Int range (float v, float t, float a)
{
S=(v*t)-(0.5*a)*pow(t,2));
Return(s);
}
Int bil (float x )
{
If(s<0)
Cout<<”the value of s is a negative number”<<endl;
Else
Cout<<”the value of s is a positive number”<<endl;
Return 0;
}
Int main()
{
Float r,u ;
R=range (5,4,2);
Cout<<”the value of s is :”<<s<<endl;
U=bil(r);
Cout<<endl<<endl;
System (“pause”);
Return 0;
}

2. # include<iostream>
Using namespace std ;
}one. Two , three
Int formula (int &i, int &o, nt &p )
{int r;
R=(i+o)*p;
Return(r);
}
Struct number {
Int value ;
}one. Two , three;
Int main ()
{
Int *px,x,y;
Cout <<”insert your nuimber with three step ..!”<<endl;
Cout<<”number 1=”;
Cin>>one.value;
Cout<<”number 2=”;
Con>>two.value;
Cout<<”number 3=”;
Con>>three.value;
Cout<<endl;
X= formula (one. Value, two. Value, three.value);
Px=&;
Y=*px;
Cout<<”the addreaa of x=”<<&x<<endl;

3. Cout<<”content of px=”<<px<<endl;
Cout<<”content of x =”<<x<<endl;
Cout<<”the value in the px=”<<*px<<endl;
Cout <<”the value of y=”<<y<<endl;
System (“pause”);
Return 0;
}