Sunday, January 20, 2013

CZ 1007 Lab 2 Q1
#include stdio.h
int main()
{
float sum =0, item, count =0, average;
int num;
printf("Enter number of lines:\n ");
scanf("%d",&num);
for(int i =1; i<=num; i++)
{
printf("Enter line %d : \n", i);
scanf("%f", &item);
while(item != -1)
{
sum +=item;
scanf("%f", &item);
count ++;
}
average = sum/count;
printf("Average = %f \n", average);
}
return 0;
}

Saturday, January 19, 2013

CZ1007 Soln To lab1

FS2 CZ 1007 LAB 1. Attached are my solutions to lab 1. *************************************************************************

Q1.
#include stdio .h
int main()
{
float celsiusTemp, fahrenheitTemp;
printf("Enter the temperature in degree F: ");
scanf("%f", &fahrenheitTemp);
celsiusTemp = (fahrenheitTemp - 32)*5/9;
printf("Converted degree in C: %f", celsiusTemp);
return 0; }

**************************************************************************

Q2.
#include stdio .h
#define _USE_MATH_DEFINES
#include math .h
main()
{
double radius, height, volume, surfaceArea;
printf("Enter the radius: ");
scanf("%lf", &radius);
printf("Enter the height: ");
scanf("%lf", &height);
volume = M_PI * radius * radius * height;
surfaceArea = 2*M_PI * radius * height + 2 * M_PI * radius * radius;
printf("The volume is: %f \n", volume);
printf("The surface area is: %f", surfaceArea);
return 0;
}

***************************************************************************

Q3.
#include stdio .h
int main()
{
float a1, b1, c1, a2, b2, c2, x, y, ans;
printf("Enter the values for a1, b1, c1, a2, b2, c2: ");
scanf("%f %f %f %f %f %f", &a1, &b1, &c1, &a2, &b2, &c2);
if (a1*b2-a2*b1 != 0)
{
x = (b2 * c1 - b1 * c2)/ (a1 * b2 - a2 * b1);
y = (a1 * c2 - a2 * c1)/ (a1 * b2 - a2 * b1);
printf("x = %f and y = %f", x, y);
}
else
{
printf("Invalid inputs");
}
return 0;
}

******************************************************************************

Q4.
#include stdio .h
#define _USE_MATH_DEFINES
#include math .h
int main()
{
float x1, y1, x2, y2, distance;
printf("Enter the first point x1 y1: ");
scanf("%f %f", &x1, &y1);
printf("Enter the second point x2 y2: ");
scanf("%f %f", &x2, &y2);
distance = sqrt((x1-x2) * (x1 - x2) + (y1 - y2) * (y1-y2));
printf("The distance is %f", distance);
return 0;
}

*****************************************************************************