C Programme to print all the numbers and sum of all the integers that are greater then 100 and less than 200 and are divisible by 7.

#include<stdio.h>

#include<conio.h>

int main()

{

            int i,sum=0;

            clrscr();

            for(i=100;i<200;i++)

            {

                        if(i%7==0)

                        {

                                    printf(" %d ",i);

                                    sum=sum+i;

                        }

            }

            printf("\n\n Sum of all above integers that are divisible by 7 is  %d",sum);

            getch();

            return 0;

}

Output:

C Programme to print the triangle.

            a  b  c  d  e

              a  b  c  d

                a  b  c

                  a  b

                    a

#include<stdio.h>

#include<conio.h>

int main()

{

            int i,n,j,k;

            clrscr();

            printf("Enter  the number : ");

            scanf("%d",&n);

            printf("\n");

            for(i=0;i<n;i++)

            {

                        for(k=1;k<=i;k++)

                        {

                                    printf(" ");

                        }

                        for(j=1;j<=n-i;j++)

                        {

                                    printf(" %c",96+j);

                        }

                        printf("\n");

            }

            getch();

return 0;

}                                                                                                                    

Output:

C Programme to print series 2, 4, 16,……,n*n using shorthand operator and while loop.

Print series 2, 4, 16,……,n*n using shorthand operator and while loop.

#include<stdio.h>

#include<conio.h>

int main()

{

            int n,x;  // declare the variable

            long double i=2;  //declare the variable of long double type

            clrscr(); 

            printf("Enter the number : ");

            scanf("%d",&n);

            printf("\n");

            x=1;

            while(x<=n)   //  loop will be execute till the value of x I less or equal n

            {

                        printf("%.2Lf\n",i);  // print the value of I upto 2 decimals only

                        x++;

                        i*=i;

            }

            getch();

            return 0;

}

Output:

C Programme program to print Name, Address and Birth Date.

program to print Name, Address and Birth Date.

#include<stdio.h>

#include<conio.h>

int main()

{

            clrscr();   //  clears the output window

            printf("\n Name : David");             // prints the name

            printf("\n Address : London");        // prints the address

            printf("\n Birth Date : 02-08-1958");    // prints the birth date

            getch();

            return 0;

}

Output:

C Programme to print “Hello World” message

program to print “Hello World” message.

#include<stdio.h>

#include<conio.h>

int main()

{

            clrscr();   // clears the output window

            printf("\n \"Hello World\"");    // prints the message

            getch();

            return 0;

}

Output:

C Programme to generate Fibonacci series

program to generate Fibonacci series.


#include<stdio.h>

#include<conio.h>

int main()

{

            int n1=0,n2=1,n3=1,n,i;

            clrscr();

            printf("Enter the Number : ");

            scanf("%d",&n);

            printf("\n");

            for(i=1;i<=n;i++)

            {

                        printf(" %d ",n3);

                        n3=n1+n2;

                        n1=n2;

                        n2=n3;

            }

            getch();

            return 0;

}

Output:

C Programme to find the roots of an equation ax2 + bx + c = 0

program to find the roots of an equation ax² + bx + c = 0.


#include<stdio.h>

#include<conio.h>

#include<math.h>

int main()

{

            float a,b,c,alf,bt,dlt;

            clrscr();

            printf("\n Enter a: ");

            scanf("%f",&a);

            printf("\n Enter b: ");

            scanf("%f",&b);

            printf("\n Enter c: ");

            scanf("%f",&c);

            dlt=b*b-4*a*c;

            if(dlt==0)

            {

                        printf("\n ALPHA=BETA=%f",-b/(2*a));

            }

            else if(dlt<0)

            {

                        printf("\n Imaginary Roots");

            }

            else

            {

                        alf=(-b+sqrt(dlt))/(2*a);

                        bt=(-b-sqrt(dlt))/(2*a);

                        printf("\n\n Alpha = %f\n Beta=%f\n",alf,bt);

            }

            getch();

            return 0;

}

Output:

C Programme to print series 2, 4, 6, 8,…....,n.

Print series 2, 4, 6, 8,…....,n.

#include<stdio.h>

#include<conio.h>

int main()

{

            int i,n;  // declare two integer type variables

            clrscr();  // clears the output window

            printf("\n Enter the number : ");

            scanf("%d",&n);  // input the value of n

            printf(“\n”);   // will break the line on output window

            for(i=2;i<=n;i++)

            {

                        if(i%2==0)

                        {          

                                    printf(" %d ",i);

                        }

            }

            getch();

            return 0;

}

Output:

C Programme to print size of int, float, double variable.

program to print size of int, float, double variable.

#include<stdio.h>

#include<conio.h>

int main()

{

            clrscr();

            printf("Size of int is -> %d\n",sizeof(int));

            printf("Size of long is -> %d\n",sizeof(float));

            printf("Size of double is -> %d\n",sizeof(double));

            getch();

            return 0;

}

Output:

C Programme program to sort given array in ascending order.

program to sort given array in ascending order.

#include<stdio.h>

#include<conio.h>

int main()

{

            int a[20],i,j,n,temp;

            clrscr();

            printf("\n Enter no. of elements for 1-D array : ");

            scanf("%d",&n);

            for(i=0;i<n;i++)

            {

                        printf(" Enter element[%d] : ",i+1);

                        scanf("%d",&a[i]);

            }

            for(i=0;i<n;i++)

            {

              for(j=i+1;j<n;j++)

              {

                        if(a[i]>a[j])

                        {

                                    temp=a[i];

                                    a[i]=a[j];

                                    a[j]=temp;

                        }

              }

            }

            printf("\n\n Ascending order of inserted  array is : ");

            for(i=0;i<n;i++)

            {

                        printf("\n %d ",a[i]);

            }

            getch();

           

            return 0;

}

Output:

C Programme for recursive calls to evaluate f(x) = x – x3/3! + x5/5! – x7/7! + ……

A Programme for recursive calls to evaluate f(x) = x – x3/3! + x5/5! – x7/7! + ……

C Programme that prints the Floyd’s triangle

program that prints the following Floyd’s triangle.

    1
    2  3   
    4  5  6
    7  8  9  10
    11 ………..15
    .
    .
    79 …………………91

C Programme for a function that will scan a character string passed as an argument and convert all lower-case character into their upper-case equivalent.

Write a function that will scan a character string passed as an argument and convert all lower-case character into their upper-case equivalent.

C Programe for a function which returns 1 if the given number is palindrome otherwise returns 0.

Write a function which returns 1 if the given number is palindrome otherwise returns 0.