UVa 11715 - Car.

	/**
	* Author : Md.Mehadi Hasan Menon.
	* Problem : 11715 - Car.
	* Status : Accepted.
	* Date : 07-10-2014.
	**/
	#include <stdio.h>
	#include <math.h>
	int main()
	{
	double a, b, c, ans1, ans2;
	int t, tCase;
	tCase = 1;
	while( scanf("%d", &t) && t!= 0 && (scanf("%lf %lf %lf", &a, &b, &c) == 3) )
	{
	if(t == 0) break;
	if(t == 1)
	{
	ans1 = (b - a) / c;
	ans2 = (a*c) + (0.5 *ans1 * c * c);
	printf("Case %d: %0.3lf %0.3lf\n", tCase++, ans2, ans1);
	}
	else if(t == 2)
	{
	ans1 = (b - a) / c;
	ans2 = (a * ans1) + (0.5 * c *ans1 * ans1);
	printf("Case %d: %0.3lf %0.3lf\n", tCase++, ans2, ans1);
	}
	else if(t == 3)
	{
	ans1 = sqrt( (a * a) + (2 * b * c) );
	ans2 = (ans1 - a) / b;
	printf("Case %d: %0.3lf %0.3lf\n", tCase++, ans1, ans2);
	}
	else if(t == 4)
	{
	ans1 = sqrt( (a * a) - (2 * b * c) );
	ans2 = (a - ans1) / b;
	printf("Case %d: %0.3lf %0.3lf\n", tCase++, ans1, ans2);
	}
	}
	return 0;
	}

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