Malhar's Tech Blog: GTU Programs

/*Program to print 1 to 10 using while loop 
  Program No         :- 8 of GTU Practice Programs SEM I 
  Developed by       :- Malhar Vora 
  Developed on       :- 21/07/2010 
  Email              :- vbmade2000@gmail.com 
  Web Site           :- http://malhar2010.blogspot.com 
  Development Status :- Completed
**************************************************/  
void main()
{
     int n=1;

     while(n<=10){
 printf("%d\n",n);//Prints n
 n++; //Incrementing n
     }
}

Saturday, July 24, 2010

Program to get data from user and store in STUDENT file, again read it from STUDENT file and write to DATA file and display same on screen ( GTU Sem I Program No : 41)

/*Program to get student data from user,
  write it to STUDENT file , read it again in
  store in DATA file and display same on screen
  Program No   : 41 of GTU Practice Programs SEM I
  Developed by : Malhar Vora
  Developed on : 21/07/2010
  Email        : vbmade2000@gmail.com
  Web Site     : http://malhar2010.blogspot.com
**************************************************/


struct studata
{
   int rollno;
   char name[20];
};

typedef struct studata student;
student s;

//Get Student data from user
void readData()
{
    short temp;
    printf("Enter Roll No of Student :");
    scanf("%d",&temp);
    s.rollno=temp;

    fflush(stdin);
    printf("\nEnter Name of Student :");
    gets(s.name);

}

//Write inputted data to STUDENT file
void writeStudentFile()
{
   FILE *stufile;
   stufile=fopen("STUDENT","wt");
   if(stufile==NULL)
   {
      printf("\nError in writing STUDENT file");
      return;
   }
   fwrite(&s,sizeof(s),1,stufile);
   fclose(stufile);
}

//Clear structure s to hold new data
void clearData()
{
   s.rollno=0;
   strcpy(s.name,"");
}

//Read data from STUDENT file
void readStudentFile()
{
   FILE *stufile;
   stufile=fopen("STUDENT","rt");
   if(stufile==NULL)
   {
      printf("\nError in reading STUDENT file");
      return;
   }
   fread(&s,sizeof(s),1,stufile);
   fclose(stufile);
}

//Write data to DATA file
void writeDataFile()
{
   FILE *datafile;
   datafile=fopen("STUDENT","wt");
   if(datafile==NULL)
   {
      printf("\nError in writing DATA file");
      return;
   }

   fwrite(&s,sizeof(s),1,datafile);
   fclose(datafile);
}

//Display data fetched from STUDENT file
void displayData()
{
   printf("\nData from STUDENT file");
   printf("\nRoll No : %d",s.rollno);
   printf("\nName    : %s",s.name);
}

void main()
{
  clrscr();
  readData();
  writeStudentFile();
  clearData();
  readStudentFile();
  writeDataFile();
  displayData();
}

Thursday, July 22, 2010

Program to create linear linked list and print contents and total items( GTU Sem I Program No : 42)

/*Program to create a linear linked list interactively and print its
  content and total no of items in list
  Program No   : 42 of GTU Practice Programs SEM I
  Developed by : Malhar Vora
  Developed on : 20/07/2010
  Email        : vbmade2000@gmail.com
  Web Site     : http://malhar2010.blogspot.com
****************************************************************************/


#include

#define LIMIT 5

//structure to hold data and link to next node
struct node
{
   int data;
   struct node *next;
};


short count=0; //Gloab lcounter to count no of items in list
typedef struct node *listnode;

listnode root=NULL;

void insert(int newdata)
{
    listnode newnode,temp;
    newnode=(listnode)malloc(sizeof(listnode));
    newnode->data=newdata;
    temp=root;
    while(temp->next!=NULL)
    {
       temp=temp->next;
    }
    temp->next=newnode;
    newnode->next=NULL;
    count++;
}

void print()
{
   listnode temp;
   temp=root;
   printf("\nPrinting items");
   while(temp->next!=NULL)
   {
       temp = temp->next;
       printf("\n%d",temp->data);
   }
}

void printcount()
{
   printf("\nTotal %d items are stored in linked list",count);
}

void main()
{
   clrscr();
   insert(1);
   insert(2);
   insert(3);
   insert(4);

   print();

   printcount();

}

Program to find maximum element from 1D array ( GTU Sem I Program No : 19)

/*Program to find maximum element from 1D array
  Program No   : 19 of GTU Practice Programs SEM I
  Developed by : Malhar Vora
  Developed on : 20/07/2010
  Email        : vbmade2000@gmail.com
  Web Site     : http://malhar2010.blogspot.com
****************************************************************************/


#include

#define LIMIT 5

int getMax(int *arr,int n)
{
   int i,max;
   max=arr[i];
   for(i=0;i
   {
      if(arr[i]>max)
     max=arr[i];
   }
   return max;
}

void main()
{
   int arr[LIMIT],i,max=0;
   clrscr();

   printf("Enter elements in array :");
   for(i=0;i
   {
      scanf("%d",&arr[i]);
   }


   printf("Max is : %d",getMax(arr,LIMIT));

}

Function to check that no is prime or not ( GTU Sem I Program No : 30)

/*Write a fucntion prime which returns 1 is argument is prime no otherwise 0
  Program No   : 30 of GTU Practice Programs
  Developed by : Malhar Vora
  Developed on : 20/07/2010
  Email        : vbmade2000@gmail.com
  Web Site     : http://malhar2010.blogspot.com
****************************************************************************/


#include


short prime(int no)
{
    if(no % 2==0)
       return 0;
    else
       return 1;
}


void main()
{
   int no;
   printf("Enter a no :");
   scanf("%d",&no);
   if(prime(no)==1)
   {
      printf("\nNo is prime");
   }
   else
   {
      printf("\nNo is not prime");
   }

}

Program to count length of given string ( GTU Sem I Program No : 23)

/*Program to find length of inputted string
  Program No   : 23 of GTU Practice Programs
  Developed by : Malhar Vora
  Developed on : 20/07/2010
  Email        : vbmade2000@gmail.com
  Web Site     : http://malhar2010.blogspot.com
****************************************************************************/


#include 

int strlen(char *str)
{
    int count=0;
    while(str[count]!=0)
      count++;
    return count;
}

void main()
{
   char *str;
   printf("Enter a string :");
   gets(str);
   printf("\nLength of string is : %d",strlen(str));
}