#include "stdafx.h"
#include <iostream>
#include <math.h>

using namespace std;
#define p 9.8
#define g 3.14159265

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

    double L;
    char v[255];
    char a[255];

    printf("Vvedit' znachen'a nyl'ovoy shvudkosty (v metrah na sekundu) ta kut (v graducah):\n ");
    cout << "v = ";
    cin >> v;
    if (v < 0)
        printf("Shvudkist' menshe nyla");
    else

    {
        cout << "a = ";
        cin>>a;

    }

    L = (atof(v)*atof(v)*sin(atof(a) * p / 180)) / g;
    printf("Dovguna poloty:%f \n", L);

    system("pause");
    return 0;
}