#include "stdafx.h"
#include "math.h"
#define g 32.17
float angle_of_elevation, gun_height, estimated_velocity, actual_distance;
const flight_time();
//distance_to_impact();
//errors_in_hitting_the_target();

int _tmain(int argc, _TCHAR* argv[])
{
printf("** U.S. Military flight Trajectory Sofware **\nInstructions: Please follow the prompts belowand enter the appropriate\ninformation when prompted. Pay particular attention to the requested\nunits to ensure correct computations!\n\n");
printf("Enter the Angle of Elevation of the Gun (in radians): ");
scanf("%f", &angle_of_elevation);
printf("Enter the gun's height relative to the target (in ft): ");
scanf("%f", &gun_height);
printf("Enter the Estimated Velocity of the Shell (in ft/sec): ");
scanf("%f", &estimated_velocity);
printf("Enter the Actual Distance to the target (in ft): ");
scanf("%f", &actual_distance);

const flight_time();
}

flight_time()

{
printf("\nComputing...\n\n");
printf("Flight");
return(0);
}

// iostream contains the definitions for cout and cin, the "console out" and// "console in" objects, respectively.#include <iostream>// "const" is better for compile-time constants than #define, because it// allows for type-safety, among other things.// #define g 32.17const float gravitational_accel = 32.17f;// You don't need these as globals; you could just as easily pass them to// the flight_time() function. However, I will leave that as a challenge// for you.float angle_of_elevation, gun_height, estimated_velocity, actual_distance;// I assume you want to calculate the flight time with this function?// "const" alone does not specify a type, so we need to further clarify// with a type. Also, there is no reason for the return to be "const"// anyhow, as it will restrict you.//const flight_time()float flight_time();int main(int argc,char **argv){  // cout and cin use the << and >> operators to "put data into" and "pull  // data out of" the objects (called "streams") respectively.  // So here, we are "putting data into" the output stream, so it appears  // to the user.  std::cout << "Enter angle of elevation (radians): ";    // Note the use of "std::" in front of cout. cout (and cin) exist in the  // std (standard) namespace. A namespace is exactly what it sounds like --  // a localized space for names; it aides in preventing name conflicts  // between libraries.  // Now we "pull data out of" the input stream and put it into one of our  // variables. You can note that the direction of the "arrows" indicate the  // direction of data flow (from our input stream to our variable); this may  // help you remember.  std::cin >> angle_of_elevation;    // ...I'll leave the rest of the prompting and parsing to you...  // To call flight time, we don't require the "const" qualifier. We  // do, however, probably want to store the result of flight time.float  result_time = flight_time();  // main() should return a value. 0 indicates success.  return (0);}// Defining a function needs to include the return type, too:float flight_time(){  // You'll actually want to compute the_time, based on your globals.  // You'll eventually want to change those globals to parameters and just  // pass them to this function instead, but like I said, that's for you  // to figure out.float  the_time = 10.0f;  return (the_time);}