Computer Programming Lab Programs I Sem 2018-19

PRIORITY & ASSOCIATIVITY OF OPERATORS USING EXPRESSIONS

AIM:

The main aim this programs is  To write a C program to understand the priority and associativity of operators using expressions.

PROGRAM:

#include<stdio.h>

#include<conio.h>

void main()

{

            int r;

            clrscr();

            r=2+3*8;

            printf("\n Result of the above expression is=%d",r);

           r=4*8/2+8;

            printf("\n Result of the above expression is=%d",r);

}

INPUT & OUTPUT:

RESULT:

DIFFERENT LIBRARY FUCNCTIONS IN C

AIM:

The main aim this programs is  to Write a C program to use different library functions of C language

PROGRAM:

#include<stdio.h>

#include<conio.h>

#include<math.h>

#include<string.h>

void main()

{

            int n;

            float f;

            char name[20];

            clrscr();

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

            scanf("%d",&n);

            f=sqrt(n);

            printf("\n Square root of number=%6.4f",f);

            printf("\n Ceil value of above result= %f",ceil(f));

            printf("\n Floor value of above result= %f",floor(f));

            flushall();

            printf("\n Enter a name :");

            scanf("%s",name);

            printf("\n Length of the name=%d",strlen(name));

            printf("\n Given name in uppercase= %s",strupr(name));

            printf("\n Given name in lowercase= %s",strlwr(name));

            printf(" \n Reverse of the name= %s",strrev(name));

}

INPUT & OUTPUT:

RESULT:

GENERATE SERIES OF PRIME NUMBERS

AIM:

The main aim this programs is to write a C program to generate all the prime numbers between 1 and n .

PROGRAM:

#include<stdio.h>

#include<conio.h>

void  main()

{

               int n,i,j,k=0;

               clrscr();

               printf("Enter n value upto where prime numbers to be found: ");

               scanf("%d",&n);

               if(n==0)

               {

                               printf(" \n Invalid number entered");

               }

               printf(" \n Required prime numbers are :");

               for(i=2;i<=n;i++)

                 {

                               k=0;

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

                               {

                                              if(i%j==0)

                                                              k++;

                               }

                                   if(k==2)

                                      printf("\t%d",i);

               }

getch();

}

INPUT & OUTPUT:

RESULT:

FIBONACCI SERIES

AIM:

The main aim this programs is  to write a C program to generate the Fibonacci numbers in the given range.

PROGRAM:

#include<stdio.h>

#include<conio.h>

void main()

{

            int n,i,f1=0,f2=1,f;

            clrscr();

            printf(" \n Enter how many fibonacci numbers you want to print : ");

scanf("%d",&n);

            printf("\n Fibonacci series is :\n");

            printf("%d\t%d",f1,f2);

            for(i=3;i<=n;i++)

            {

                        f=f1+f2;

                        printf("\t%d",f);

                        f1=f2;

                        f2=f;

            }

            getch();

}

INPUT & OUTPUT:

RESULT:

MAXIMUM & MINIMUM OF SET OF NUMBERS

AIM:

The main aim this programs is  to write a C program to find maximum and minimum of set of numbers.

#include<conio.h>

PROGRAM:

#include<stdio.h>

void main()

{

            int a[20],i,min,max,n;

            clrscr();

            printf("\n Enter no. of elements:");

            scanf("%d",&n);

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

            for(i=1;i<=n;i++)

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

            min=max=a[1];

            for(i=2;i<=n;i++)

            {

                         if(a[i]>max)

                            max=a[i];

                         if(a[i]<min)

                            min=a[i];

            }

            printf("\n Given elements are:\n");

            for(i=1;i<=n;i++)

                        printf("%5d",a[i]);

            printf("\n Maximum Value is=%d",max);

            printf("\n Minimum Value is=%d",min);

            getch();

}

INPUT & OUTPUT:

RESULT:

SUM OF POSITIVE & NEGATIVE NUMBERS IN A GIVEN SET

AIM:

The main aim this programs is  to write a program to find the sum of positive and negative numbers in a given set of numbers.

PROGRAM:

#include<stdio.h>

#include<conio.h>

void main()

{

            int a[20],n,sp=0,sn=0,i;

            clrscr();

            printf("\n Enter size of the array :");

            scanf("%d",&n);

            printf("\n Enter the values of array :");

            for(i=1;i<=n;i++)

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

            for(i=1;i<=n;i++)

            {

                        if(a[i]<0) // negative

                                    sn=sn+a[i];

                        else // positive

                                    sp=sp+a[i];

            }

            printf("\n In given numbers,sum of positive values is :%d",sp);

            printf("\n In given numbers,sum of negative values is :%d",sn);

}

INPUT & OUTPUT:

RESULT:

SUM OF SERIES

AIM:

The main aim this programs is  to write a program to evaluate the sum of the given series = 1+x+/2!+/3!+/4!+----

PROGRAM:

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

            float sum=1.0;

            int n,x,i,fact=1;

            clrscr();

            printf("\n enter x and n values:");

            printf("\n x=");

            scanf("%d",&x);

            printf("\n n=");

            scanf("%d",&n);

            for(i=1;i<n;i++)

            {

                        fact=fact*i;

                        sum=sum+(float)pow(x,i)/fact;

            }

            printf("\n sum of the given series is %f",sum);

            getch();

}

INPUT & OUTPUT:

RESULT: