C Exercises: A menu-driven program to compute the area of the various geometrical shape
C Conditional Statement: Exercise-25 with Solution
Write a program in C which is a Menu-Driven Program to compute the area of the various geometrical shape.
Pictorial Presentation:
Sample Solution:
C Code:
#include <stdio.h>
void main ()
{
int choice,r,l,w,b,h;
float area;
printf("Input 1 for area of circle\n");
printf("Input 2 for area of rectangle\n");
printf("Input 3 for area of triangle\n");
printf("Input your choice : ");
scanf("%d",&choice);
switch(choice)
{
case 1:
printf("Input radious of the circle : ");
scanf("%d",&r);
area=3.14*r*r;
break;
case 2:
printf("Input length and width of the rectangle : ");
scanf("%d%d",&l,&w);
area=l*w;
break;
case 3:
printf("Input the base and hight of the triangle :");
scanf("%d%d",&b,&h);
area=.5*b*h;
break;
}
printf("The area is : %f\n",area);
}
Sample Output:
Input 1 for area of circle Input 2 for area of rectangle Input 3 for area of triangle Input your choice : 1 Input radious of the circle : 5 The area is : 78.500000
Flowchart:
C Programming Code Editor:
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Previous: Write a program in C to read any Month Number in integer and display the number of days for this month.
Next: Write a program in C which is a Menu-Driven Program to perform a simple calculation.
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C Programming: Tips of the Day
Static variable inside of a function in C
The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().
The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.
The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().
Ref : https://bit.ly/3fOq7XP
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