C Programs

CAP180
01. WAP to find the largest no among 3 nos.                     Done
//Write a program to check the largest no. between three no. entered by the user.

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

void main()
{
    int a,b,c;

    printf("Please enter the first no.: ");
    scanf("%d", &a);
    printf("Please enter the second no.: ");
    scanf("%d", &b);
    printf("Please enter the third no.: ");
    scanf("%d", &c);

    if (a>b && a>c)
    {
        printf("%d is Greater", a);
    }
    else if (b>a && b>c)
    {
        printf("%d is Greater", b);
    }
    else
    {
        printf("%d is Greater", c);
    }

    getch();
}

02. WAP to check for leap years(it should be divisible by 4, 100, 400)
#include<stdio.h>
#include<conio.h>

void main()
{
    int year;
    printf("Enter a year \n");
    scanf("%d", &year);

    if (year % 400 == 0)
    printf("%d is a leap year \n", year);
    else if (year % 100 == 0)
    printf("%d is a not leap year \n", year);
    else if (year % 4 == 0)
    printf("%d is a leap year \n", year);
    else
    printf("%d is not a leap year \n", year);
}
03. WAP to check odd or even
#include<stdio.h>
#include<conio.h>

void main()
{
    int a;
    printf("Enter an integer number: ");
    scanf("%d", &a);

    if (a%2 == 0)
        printf("The no. %d is an even number.", a);
    else
        printf("The no. %d is a odd number", a);

    getch();
}
04. WAP to add two no. using function.
#include<stdio.h>

int addition(int, int);

main()
{
   int first, second, sum;
   printf("Enter two no.: \n");
   scanf("%d %d", &first, &second);
   sum = addition(first, second);
   printf("Sum = %d\n", sum);
   return 0;
}

int addition(int a, int b)
{
   int result;
   result = a + b;
   return result;
}
05. WAP to check if the entered alphabet is vawel or consonemt
06. WAP to display grades
07. WAP to check the no. is positive or negetive.
#include<stdio.h>
#include<conio.h>

void main()
{
    int a;
    printf("Enter an Integer no.: ");
    scanf("%d", &a);

    if (a>0)
    {
        printf("The no. is Positive");
    }
    else if (a<0)
    {
        printf("The no. is Negative");
    }
    else
    printf("Invalid Input");

    getch();
}
08. WAP to check if the entered value is digit or alphabet or special charecter.
09. WAP to check wheather the no. is divisible by 5 and 7 or not.
#include <stdio.h>

int main()
{
    int num;

    /* Input number from user */
    printf("Enter any number: ");
    scanf("%d", &num);

    /*
     * If  num modulo division 5 is 0
     * and num modulo division 7 is 0 then
     * the number is divisible by 5 and 7 both
     */
    if((num % 5 == 0) && (num % 7 == 0))
    {
        printf("Number is divisible by 5 and 7");
    }
    else
    {
        printf("Number is not divisible by 5 and 7");
    }

    return 0;
}
10. WAP to print the table of any no. entered by user.
#include <stdio.h>
int main()
{
    int n, i;

    printf("Enter an integer: ");
    scanf("%d",&n);

    for(i=1; i<=10; ++i)
    {
        printf("%d * %d = %d \n", n, i, n*i);
    }

    return 0;
}
11. WAP to find the factorial
//Factorial program

#include <stdio.h>

int main()
{
  int c, n, fact = 1;

  printf("Enter a number to calculate its factorial\n");
  scanf("%d", &n);

  for (c = 1; c <= n; c++)
    fact = fact * c;

  printf("Factorial of %d = %d\n", n, fact);

  return 0;
}
12. WAP to find prime no. using for loops
#include<stdio.h>

main()
{
   int n, c = 2;

   printf("Enter a number to check if it is prime\n");
   scanf("%d",&n);

   for ( c=2 ; c<=n-1; c++ )
   {
    if ( n%c == 0 )
    {
     printf("%d isn't prime.\n", n);
     break;
    }
   }
   if ( c == n )
    printf("%d is prime.\n", n);

   return 0;
}
13. WAP to find the sum of odd no. in n given values.
/* C Program to Print Sum of Odd Numbers from 1 to N */

#include<stdio.h>

int main()
{
  int i, number, Sum = 0;

  printf("Please Enter the Maximum Limit Value : ");
  scanf("%d", &number);

  printf("Odd Numbers between 0 and %d are : ", number);
  for(i = 1; i <= number; i=i+2)
  {
    Sum = Sum + i;
    printf("%d  ", i);
  }
  printf("\nThe Sum of Odd Numbers from 1 to %d  = %d", number, Sum);

  return 0;
}