новая папка / Laba1 вариант 1

// 20160919 z-66.cpp : Defines the entry point for the console application.
//

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


int _tmain(int argc, _TCHAR* argv[])
{
	float a,b,c,D,x1,x2;
	a=b=c=D=x1=x2=0.0;
	printf("Programma nahozdeniya korney uravneniya vida ax^2+bx+c=0\n");
	printf("Vvedite a, b, c:\n");
	scanf("%f", &a);
	scanf("%f", &b);
	scanf("%f", &c);

	D=b*b-4*a*c;

	if(D<0)
	{
		printf("Korney net!");
	}
	else
	{
		x1=(-b+sqrt(D))/(2*a);
		x2=(-b-sqrt(D))/(2*a);
		printf("x1=%f, x2=%f",x1,x2);
	}
	

	getch();
	return 0;
}