Tuesday, May 28, 2024

C – Programs for Practice

          1. WAP to calculate the area of a rectangle in c. [Hints: a = l x b]
            #include<stdio.h>
            #include<conio.h>
            void main()
            {
            int l, b, a;
            printf (“Enter Length: ”);
            scanf (“%d”, &l);
            printf (“Enter Breadth: “);
            scanf (“%d”, &b);
                 a = l * b;
                 printf (“The area is %d”, a);
            getch();
            }

          2. Write a program in C language to enter base and height of a triangle and calculate its area. [AOT = ½ × B × H]
            #include<stdio.h>
            #include<conio.h>
            Void main()
            {
            int b, h, area;
            printf("Enter base and height of triangle: ");
            scanf("%d %d", &b, &h);
                 area= (1/2)*b*h;
            printf("Area of triangle =%d",area);
                 getch();
            }

          3. Write a C program to accept principal, time and rate as input and calculate simple interest. [SI = (P × T × R) / 100)
            #include<stdio.h> 
            #include<conio.h>
            void main ()
            {
            float p, t, r, si=0;
            printf (“Enter principal time and rate: ”);
            scanf (“%f %f %f”, &p, &t, &r);
                 si= (p*t*r)/100;
            printf (“The interest is %f”, i);
            getch ();
            }

          4. Write a C program that ask a user to enter a number and check whether the number is odd or even.
            #include<stdio.h> 
            #include<conio.h>
            void main ()
            {
            int n;
            printf ("Enter any number: ");
            scanf ("%d ", &n);
            if (n % 2 ==0)
            {
                  printf("%d is an even number", n);
            }
            else
            {
                  printf ("%d is an odd number", n);
            }
            getch();
            }

          5. Write a C program that ask a user to enter a number and check whether the number is positive, negative or zero.
            #include<stdio.h> 
            #include<conio.h>
            void main ()
            {
            int n;
            printf ("Enter any number: ");
            scanf ("%d ", &n);
                 if (n > 0)
            {
                 printf ("%d is a positive number", n);
            }
            else if (n < 0)
            {
                 printf ("%d is a negative number", n);
            }
            else
            {
                 printf ("The entered number is zero");
            }
            getch();
            }

             

          6. Write a program in C language to display the series 1, 2, 3, 4, 5, ………up to 10th terms.
            #include<stdio.h>
            #include<conio.h>
            Void main()
            {
            int i;
            for (i=1; i<=10; i++)
            {
                 printf("% d \t", i);
            }
            getch();
            }

          7. Write a program in C language to display the series with their sum 1, 2, 3, 4, 5, …………up to 10th terms.
            #include<stdio.h>
            #include<conio.h>
            Void main()
            {
                 int i, s=0;
            for (i=1; i<=10; i++)
            {
                 s = s + i;
            }
                 printf("The sum of numbers=%d", s);
            getch();
            }

          8. Write a program in C language that asks any two number and display the greatest among them.
            #include<stdio.h>
            #include<conio.h>
            void main ()
            {
            int a, b;
            printf("enter any two numbers: ");
            scanf("%d %d", &a, &b);
            if (a > b)
            {
                 printf("% d is the greatest number", a);
            }
            else
            {
                 printf("% d is the greatest number", b);
            }
            getch();
            }

          9. Write a program in C language that asks any two number and display the smallest among them.
            #include<stdio.h>
            #include<conio.h>
            void main ()
            {
            int a, b;
            printf ("enter any two numbers: ");
            scanf ("%d %d", &a, &b);
            if (a < b)
            {
                 printf("% d is the smallest number", a);
            }
            else
            {
                 printf("% d is the smallest number", b);
            }
            getch();
            }

          10. Write a program in C language to display the series 2, 4, 6, 8, ………..up to 10th terms.
            #include<stdio.h>
            #include<conio.h>
            void main()
            {
            int i, a=2;
            for(i=1; i <=10; i++)
            {
            printf("%d \t", a);
            a = a+2;
            }
            getch();
            }

          11. Write a program in C language to input a number then check whether the number is completely divisible by 5 or not.
            #include<stdio.h>
            #include<conio.h>
            void main()
            {
            int n;
            clrscr();
            printf("Enter any number: ");
            scanf("%d ", &n);
            if(n%5==0)
            {
                 printf("%d is exactly divisible by 5", n);
            }
            else
            {
                 printf("%d is not exactly divisible by 5", n);
            }
            getch();
            }

          12. Write a program in C language to display the series of first 10 even numbers.
            #include<studio.h>
            #include<conio.h>
            void main()
            {
            int i, a=2;
            clrscr();
            for(i=1; i<=10; 1++)
            {
                 printf("%d \t", a);
                 a= a + 2;
            }
            getch();
            }

          13. Write a program in C language to display the series of first 10 natural numbers.
            #include<stdio.h>
            #include<conio.h>
            void main()
            {
            int i;
            clrscr();
            for(i=1; i<=10; 1++)
            {
                 printf("%d \t", i);
            }
            getch();
            }

          14. Write a program in C language to calculate the sum of odd numbers from 80 to 90.
            #include<stdio.h>
            #include<conio.h>
            void main()
            {
            int i, s=0;
            for(i=80; i<=90; i= i+2)
            {
                 s = s + i;
            }
            printf("Sum= %d", s);
            getch();
            }

          15. Write a C program to display the series 1,1,2,3,5,8,……….up to 10th terms.
            #include<stdio.h>
            #include<conio.h>
            void main()
            {
            clrscr();
            int i, a=1, b=1, c;
            printf("%d \t %d \t", a, b);
            for(i=3, i<=10; i++)
            {
                   c = a + b;
                   printf("% d \t", c);
                   a= b;
                   b= c;
            }
            getch();
            }

          16. Write a program in C language that asks any three numbers and display the greatest among them.
            
            #include<stdio.h>
            #include<conio.h>
            void main ()
            {
            int a, b, c;
            printf ("enter any three numbers: ");
            scanf ("%d %d %d", &a, &b, &c);
            if (a > b && a>c)
            {
                 printf ("% d is the greatest number", a);
            }
            else if(b > c && b > a)
            {
                 printf ("% d is the greatest number", b);
            }
            else
            {
                 printf("%d is the greatest number", c);
            }
            getch();
            }

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