Sample C Program To Find The Area Of A Rectangle.

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

float area_rect( float, float );
main()
{

clrscr();
float l, b, area;
printf( " \nEnter the length and breadth of the rectangle " );
scanf( " %f %f ", &l, &b );
area = area_rect ( l , b );
printf( " \nArea of rectangle is : %f square units. ", area );
return 0;

}

float area_rect ( float l, float b )
{

float area;
area = l * b;
return( area );

}


OUTPUT:

Enter the length and breadth of the rectangle
6
4

Area of rectangle is : 24.000000 square units.

Sample C Program To Find The Sum Of N Numbers.

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

main()
{

int n, sum = 0, c, var;

printf( " Enter the number of integers you want to add\n " );
scanf( " %d ", &n);

printf( " Enter %d numbers\n ", n );
for ( c = 1 ; c <= n ; c++ )
{

scanf( " %d ", &var );
sum = sum + var;

}
printf( " Sum of entered numbers = %d\n ", sum );
getch();
return 0;

}

OUTPUT:

Enter the number of integers you want to add: 3
Enter 3 numbers 1 2 3
Sum of entered numbers = 6

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