Kv. urav

#include <math.h>
#include <stdio.h>
#include <conio.h>

int main()
{
	int a, b, c;
	float x1, x2, d, re, img;


	printf("Vavedete a: ");
	scanf_s("%d", &a);
	printf("Vavedete b: ");
	scanf_s("%d", &b);
	printf("Vavedete c: ");
	scanf_s("%d", &c);

	d = (b*b) - (4 * a*c);

	if (a == 0)
	{

		if (b == 0)
		{
			if (c == 0)
			{
				printf("Vsichki chisla sa koreni ");
			}
			else
			{
				printf("Nqma reshenie ");
			}

		}
		else
		{
			if (c == 0)
			{
				printf("Korenut e raven na 0 ");
			}
			else
			{
				x1 = (float) (-c) / b;
					printf("Edinstevniqt koren e %f", x1);
			}
		}
		_getche();
	}
	else
	{
		if (d < 0)
		{
			re = (float)(-b / (2 * a));
			img = (float)(sqrt(-d) / (2 * a));
			printf("x1=%.2f+i*%.2f\nx2=%.2f-i*%.2f", re, img, re, img);
		}
		else
		if (d == 0)
		{
			x1 = (float) (-b) / 2 * a;
			printf("Edinstveniqt koren e %f ", x1);
		}
		else
		{
			x1 = (float)(-b + sqrt(d)) / (2 * a);
			x2 = (float)(-b - sqrt(d)) / (2 * a);
			printf("Korenite sa %f,%f", x1, x2);
		}

		_getche();
		return 0;
	}
}