PROGRAM-27

// Program of reverse of string

#include

#include

#include

void main ()

{

int len,i,j;

char a[10],b;

clrscr();

printf("enter the string ");

scanf("%s",a);

len=strlen(a)-1;

for(i=len; i>=0; i--)

{

printf("%c",a[i]);

}

getch();

}

Algorithm

·                     start

·                     Declare len, i, j as integer

·                     Declare a[10] as character

·                     Write("the string ")

·                     Read(“the string”)

·                     len=strlen(a)-1

·                     for(i=len; i>=0; i--)

·                     Write(“a[i]”)

·                     Stop

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PROGRAM-25

// Program of bubble sorting

#include

#include

void main()

{

  clrscr();

  int i,a[30],n,j,temp;

  printf("Enter the number of array: ");

  scanf("%d", &n);

  for(i=1;i<=n;i++)

 {

  printf("Enter the element of array = ");

  scanf("%d", &a[i]);

 }

 for(i=1;i<=n;i++)

 {

  for(j=1;j<=n-1;j++)

 {

  if(a[j]>a[j+1])

 {

  temp=a[j];

  a[j]=a[j+1];

  a[j+1]=temp;

 }

 }

 }

 for(i=1;i<=n;i++)

{

 printf("a[%d] = %d,",i,a[i]);

}

 getch();

}

 

Algorithm

·                     Start

·                     Declare i, a[30], n, j, temp as integer

·                     Write("the number of array")

·                     Read(“the number of array”)

·                     for(i=1;i<=n;i++)

·                     Write("the element of array")

·                     Read(“the element of array”)

·                      for(i=1;i<=n;i++)

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

·                     if(a[j]>a[j+1])

·                     temp=a[j]

·                     a[j]=a[j+1]

·                     a[j+1]=temp

·                     for(i=1;i<=n;i++)

·                     Read(“I and a[i]”)

·                     Stop

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PROGRAM-24

//Program of maximum digit in array

#include

#include

void main()

{

  clrscr();

  int i,a[30],n,max;

  printf("Enter the number of array: ");

  scanf("%d", &n);

  for(i=0;i

  {

    printf("Enter the array = ");

    scanf("%d", &a[i]);

  }

   for(i=0;i

  {

   printf("a[%d] = %d,", i,a[i]);

   }

  max=a[0];

  for(i=1;i<=n-1;i++)

 {

   if(a[i]>max)

  {

   max=a[i];

  }

 }

  printf("\nmax = %d\n", max);

  getch();

}

Algorithm

·                     Start

·                     Declare i, a[30], n, max as integer

·                     Write("the number of array")

·                     Read(“the number of array”)

·                     for(i=0;i

·                     Write("the array ")

·                     Read(“a[i]”)

·                     for(i=0;i

·                     Read(“ i, a[i]”)

·                     max=a[0]

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

·                     if(a[i]>max)

·                     max=a[i]

·                     Read(“the maximum array”)

·                     Stop

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PROGRAM-23

// Program of Palindrome

#include

#include

#include

void main()

{

clrscr();

char string[25], revstring[25] = {'\0'};

int i,length=0;int flag=0;

printf("Enter the string\n");

gets(string);

for(i=0;string[i]!='\0';i++)

{

length++;

}

for(i=length-1;i>=0;i--)

{

revstring[length-1] = string[i];

}

{

if(revstring[i]==string[i])

flag=1;

else

flag=0;

}

if(flag==1)

{

printf("%s is not a palindrome\n", string);

}

else

{

printf("%s is a palindrome\n", string);

}

getch();

}

Algorithm

·                     Start

·                     Declare string[25], revstring[25] = {'\0'} as character

·                     Declare i, length=0; flag=0 as integer

·                     Write("the string")

·                     gets(string)

·                     for(i=0;string[i]!='\0';i++)

·                     length++

·                     for(i=length-1;i>=0;i--)

·                     revstring[length-1] = string[i]

·                     if(revstring[i]==string[i])

·                     flag=1

·                     else

·                     flag=0

·                     if(flag==1)

·                     Read(“It is not a palindrome”)

·                     else

·                     Read("It is a palindrome")

·                     Stop

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PROGRAM-22

// Program of struct

#include

#include

void main()

{

clrscr();

char author[20];

  struct MATH_BOOK

  {

    int book_num;

    char auther[20];

    char publish[20];

    float price;

  };

struct MATH_BOOK bkinfo;

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

scanf("%d", &bkinfo.book_num);

printf("Enter the name of author\n");

scanf("%s", &author);

printf("Enter the name of publisher\n");

scanf("%s", &bkinfo.publish);

printf("Enter the price of book\n");

scanf("%f", &bkinfo.price);

printf("..............\n");

printf("         MATH_BOOK\n");

printf("..............\n");

printf("Book number  : %d       \n", bkinfo.book_num);

printf("Author       : %s       \n", author);

printf("Publisher    : %s       \n", bkinfo.publish);

printf("price        : rs.%6.2f\n", bkinfo.price);

printf("............. \n");

getch();

}

Algorithm

·                     Start

·                     Declare author[20] as character

·                     struct MATH_BOOK

·                     Declare book_num as integer

·                      Declare publish[20] as character

·                     Decxlare price as float

·                     struct MATH_BOOK bkinfo

·                     Write("the book number")

·                     Read(“book number”)

·                     Write("the name of author")

·                     Read(“the name of author”)

·                     Write("the name of publisher")

·                     Read(“the name of publisher”)

·                     Write(“the price of book”)

·                     Read(“the price of book”)

·                     Write("..............")

·                     Write("         MATH_BOOK")

·                     Write("..............")

·                     Read(“Book number”)

·                     Read("Author")

·                     Read("Publisher ")

·                     Read("price")

·                     Read("............. ")

·                     Stop

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PROGRAM-21

//Program of concatenation

#include

#include

void main()

{

clrscr();

char string1[10],string2[10];

printf("Enter the first string\n");

scanf("%s", string1);

printf("Enter the second string\n");

scanf("%s", string2);

printf("concatenated string is   \n");

printf("%s %s", string1,string2);

getch();

}

 

Algorithm

·                     Start

·                     Declare string1[10], string2[10] as character

·                     Write("the first string")

·                     Read(“string1”)

·                     Write(“the second string”)

·                     Read("string2”)

·                     Read("concatenated string is")

·                     Read(“string1,string2”)

·                     Stop

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PROGRAM-20

// Program of pointer

#include

#include

void main()

{clrscr();

int *ptr1,*ptr2;

static int arr[5]={11,22,33,44,55};

ptr1=&arr[1];

ptr2=&arr[4];

if(ptr1

  printf("Address %d is less than address %d\n", ptr1,ptr2);

else

  printf("Address of %d is greater or equal to address %d\n", ptr1,ptr2);

  getch();

  }

Algorithm

·                     Start

·                     Declare *ptr1,*ptr2 as integer

·                     static int arr[5]={11,22,33,44,55}

·                     ptr1=&arr[1]

·                     ptr2=&arr[4]

·                     if(ptr1

·                     Read("Address of ptr1 is less than address of ptr2)

·                     else

·                     Read("Address of ptr1 is greater or equal to address of ptr2”)

·                     Stop

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PROGRAM-19

// Program to product of two matrices

#include

#include

void main()

{

  clrscr();

  int matA[10][10], matB[10][10], prodmat[10][10];

  int n,i,j,k,row1,col1,row2,col2;

  printf("Enter the order of matrixA\n");

  scanf("%d*%d", &row1,&col1);

  printf("Enter the order of matrixB\n");

  scanf("%d*%d", &row2,&col2);

  if(col1==row2)

     {

                printf("Enter the element of matrixA\n");

                for(i=0;i

                {

                   for(j=0;j

                     {

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

                   }

     }

  printf("Enter the element of matrixB\n");

                for(i=0;i

     {

                for(j=0;j

                {

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

                }

     }

                for(i=0;i

                {

                  for(j=0;j

                  {

                   prodmat[i][j]=0;

                   for(k=0;k

                   {

                   prodmat[i][j]=prodmat[i][j]+(matA[i][k]*matB[k][j]);

                   }

                  }

                 }

                 printf("Product matrix is \n");

                for(i=0;i

                {

                  for(j=0;j

                  {

                    printf("%3d", prodmat[i][j]);

                  }

                  printf("\n");

                  }

       }

       else

       printf("multiplication is not possible  \n");

       getch();

}

Algorithm

·                     Start

·                     Declare matA[10][10],  matB[10][10],  prodmat[10][10] as integer

·                       Declare n, i, j, k, row1, col1, row2, col2 as integer

·                       Write("the order of matrixA")

·                       Read(“row1 and col1”)

·                       Write("the order of matrixB")

·                       Read(“row2 and col2”)

·                       if(col1==row2)

·                     Read("Enter the element of matrixa")

·                     for(i=0;i

·                     for(j=0;j

·                     Read(“matA[i][j]”)

·                     printf("the element of matrixB")

·                     for(i=0;i

·                     for(j=0;j

·                     Read(“matB[i][j]”)

·                     for(i=0;i

·                     for(j=0;j

·                     prodmat[i][j]=0

·                     for(k=0;k

·                     prodmat[i][j]=prodmat[i][j]+(matA[i][k]*matB[k][j])

·                     Read("the Product matrix ")

·                     for(i=0;i

·                     for(j=0;j

·                     Read("the prodmat[i][j])

·                     write("in next line")

·                     else

·                     Write("multiplication is not possible")

·                     Stop

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