#include <stdio.h>
#include <math.h>
#include <windows.h>
#define b 9.81
int main()
{
float V, H;
printf("Vvedite count = \n");
scanf("%f,&V");
H=pow(V,2);
H=H/(2*b);
printf("\n Max widht H = %5.2f m \n", H);
system("pause");
return 0;
}