#include <stdio.h>

int main(void)
{
	float pi1 = 3.142, pi2 = 0.3142E1 ,pi3 = 3142E-3;
	float float_x = 12345.678901234567890;		/* 20 significant digits */
	double double_y = 12345.678901234567890; 	/* same */	
	float sensex1 = 25341.86;
	float sensex2, gain;
	
	printf("pi1 = %f, pi2 = %e, pi3 = %g\n", pi1,pi2,pi3);
	printf("float_x = %.15f\n",float_x);
	printf("double_y = %.15f\n",double_y);
	
	/* Uncomment these 2 lines if your computer supports long double */

	/* long double ldouble_z = 12345.678901234567890;
	printf("ldouble_z = %.20LF\n", ldouble_z); */
	
	printf("Enter today's value of Sensex: ");
	scanf("%f",&sensex2);
	gain = (sensex2 - sensex1) / sensex1 * 100;
	printf("Sensex returns since March 31,2016 : %f%%\n",gain);
	return 0;
}