HAPPY NEW YEAR 2013

HAPPY NEW YEAR 2013

Mai wapas aa gaya hu. Kal se naye post karna start karunga

Haapy Deepavali

Happy Deepavali By :-
SATYAM SRIVASTAVA    /   DIKSHA SRIVASTAVA
SHUBHAM SRIVASTAVA
PRIYAM SRIVASTAVA

18.Program to demonstrate reversing of an input text using a function with string arguments.

// Program  to demonstrate reversing of  an input text
// using a function with string arguments.


#include <stdio.h>
#include <iostream.h>
#include<conio.h>
/* strlen - return length of string s
 */
int strlen(char s[])
    {
    int i;
    for (i = 0; s[i] != '\0'; ++i);
    return (i);
    }

/* reverse - reverses order of characters in a string
 */
void reverse(char s[])
    {
    char t;
    short i, j;

    for (i = 0, j = strlen(s) - 1; i < j; ++i, --j)
t = s[i], s[i] = s[j], s[j] = t;
    }

main()
    {
    char line[BUFSIZ];  /* the line of input text */

    cout<<endl;
    cout<<"Input String to obtain in reverse");
    cin.getline(line,BUFSIZ);
    reverse(line);
    cout<<endl;
    cout<<line;
    getch();
}

17.Matrices : To implement cell value of a defined matrix

// Program for  : Matrices : To implement cell value of a defined matrix
// Input: Row & Col. and Output : Cell element of the points Row, Col.

#include <stdlib.h>
#include <iostream.h>
#include<conio.h>
int main()
{
clrscr();
  int x, y;                    // Loop Counter
  int x1, y1, repeat;
  //         x, y           Think like that if you input x = 1, y = 3
  //                        You will output "69", that how a matrix works
  int matrix[4][4] = { 12, 4, 23, 6,
      45, 78, 3, 57,
      69, 23, 9, 2,
      34, 11, 5, 99 };
  cout<<"My Matrix: "<< endl << endl;
  for( x = 0; x < 4; x++)
  {
       for( y = 0; y < 4; y++)
       {
   cout<< matrix[x][y] << " ";
       }
       cout<<endl;
  }
  cout<< endl <<"Both x and y have a max point of 3" << endl;
  do
  {
       cout<< endl <<"Enter in x and y points[ x <space> y ]: ";
       cin>> x1 >> y1;

       cout<<"Point ("<< x1 <<", " << y1 <<") = " << matrix[x1][y1] << endl
  << endl;
       cout<<"Would You like Output new points (0 to quit)? ";
       cin>> repeat;
  }while( repeat != 0);
  cout<<endl;
  cout<<"Press any key to continue";
  getch();
  return 0;
}

16.Program to Calculate Polynomial. Loading the libraries.

// Program to  Calculate Polynoms

//Loading the libraries
#include <iostream.h>
#include <math.h>
#include<conio.h>
//Defining variables
int result=0; //here will be stored the result
int *arr; //here will be stored the numbers
int power; //this is the maximum power
int x; //the value for "x"

//Beginning the main function
void main()
{
 cout << "What s the maximum power in the polynom? : ";
 cin >> power;
 cout << endl;

 arr=new int[power]; //creates an array with "power" cells
 
 //Asking the user to enter the values...
 for(int n=0;n<power+1;n++)
 {
  cout <<"A"<<power-n<<" = ";
  cin >> arr[power-n];
 }

 cout << "The polynom is: ";

 //Prints the polynom on the screen
 for(int go=power; go >-1; go--)
 {
  if(go > 0)
   cout <<arr[go]<<"*x^"<<go<<" + ";
  else
   cout <<arr[go]<<"*x^"<<go;
 }
 cout <<endl;
 cout <<"Enter value for X : ";
 cin >> x;

 //Calculating the polynom
 for(int cal=0; cal < power+1; cal++)
 {
  result=result+(arr[cal]*(pow(x,cal)));
 }

 cout <<" Y(x)= "<< result<<endl; // showing the result
 getch();
}

15.Program to display Fibonaccis Heap

// Program to display  Fibonaccis Heap

#include <iostream.h>
#include<conio.h>

void main()
{
clrscr();
   unsigned int to,a,n,n1,n2,sum;

   cout << "Enter the limit: n=";
   cin >> to;
   to--;

   n1=n2=1;
   a=2;
   sum=2;

   cout << "Fibonacci's numbers: " << endl;
   cout << "1 1 ";

   while(a<=to)
   {
      n=n1+n2;
      cout << n << " ";
      n1=n2; n2=n;
      sum=sum+n;
      a++;
   }

   cout << endl << endl ;
   cout << "Sum of all numbers= "<< sum << endl;
   getch();
}