Applications of c++ in diffret aspects like for result ,in bank,in fun game

Applications of c++ in different aspects like for result ,in bank,in fun game

ALGORITHM C++:-

#include <iostream>   

#include <algorithm>   

#include <vector>

#include <conio.h>     

using namespace std;

int main ()

{

  int arr[] = { 200, 100, 300 ,400, 50, 150, 246 };

  int prr[] = { 11, 22, 33, 44, 55, 66, 77 };

  int * p;

 

  //find algorithm

  cout<<"\n\t****FIND*****"<<endl<<endl;

  p = find (arr,arr+7,300);

  ++p;

  cout << "The element after 300 is " << *p <<endl;

 

  //copy algorithm

  cout<<"\n\t**** COPY *****"<<endl<<endl;

  vector <int> v(7);

  copy(arr,arr+7,v.begin());

  vector <int>::iterator it;

  for(it=v.begin(); it!=v.end(); ++it)

      cout << "The element is " << *it <<endl;

     

  //sorting algorithm

  cout<<"\n\t**** SORT *****"<<endl<<endl;

  sort(v.begin(),v.end());

  for(it=v.begin(); it!=v.end(); ++it)

      cout << "The element is " << *it <<endl;

    

  //merging algorithm

  cout<<"\n\t**** MERGING arr & 3 element of prr *****"<<endl<<endl;

  vector<int> v1(10);

  merge(arr,arr+7,prr,prr+3,v1.begin());

  vector<int>::iterator itt;

  for(itt=v1.begin(); itt!=v1.end(); ++itt)

      cout << "The element is " << *itt <<endl;

  cout<<"\nPROGRAMMING @ C#ODE STUDIO";

  getch();

  return 0;

}

BUBBLE SORT GENERIC METHOD:-

#include"conio.h"

#include"iostream"

using namespace std;

template<typename data_type>

int sort(data_type *d,int size)

{

    int i,j;

    data_type a;

    for(i=1;i<size;i++)

        for(j=size-1;j>=i;j--)

        {

            if(d[j-1]>d[j])

            {

                a=d[j-1];

                d[j-1]=d[j];

                d[j]=a;

            }

        }

}

int main()

{

    int g[10];

    double h[10];

    int i;

    cout<<"\nInsert Integer Type No. : ";

    for(i=0;i<10;i++)

    {

        cout<<"\nEnter "<<i<<" No. :";

        cin>>g[i];

    }

    cout<<"\nInsert Float Type No. : ";

    for(i=0;i<10;i++)

    {

        cout<<"\nEnter "<<i<<" No. :";

        cin>>h[i];

    }

    sort(g,10);

    sort(h,10);

    cout<<"\nOutput after sorting integer values"<<endl;

    for(i=0;i<10;i++)

    {

        cout<<"\nInt "<<i+1<<" No. :";

        cout<<g[i];

    }

    cout<<"\nOutput after sorting floating values"<<endl;

    for(i=0;i<10;i++)

    {

        cout<<"\nFloat "<<i+1<<" No. :";

        cout<<h[i];

    }

    cout<<"\n\nProgramming @ C#ODE STUDIO";

    getch();

    return 0;

}

CH 1.1:-

#include<iostream>

#include<conio.h>

using namespace std;

int main ()

{

      int k;

      k=10;

      if(k < 15)

      {

            cout << " //...\\";

            k++;

     

      }

      cout <<"\n 2k is "<<2*k--;

      getch ();

}

FILE HANDLING IN C++:-

#include<iostream>

#include<fstream>

#include<cstdlib>

using namespace std;

struct account_query

{

    char account_number[20];

    char firstName[10];

    char lastName[10];

    float total_Balance;

    void read_data();

    void show_data();

    void write_rec();

    void read_rec();

    void search_rec();

    void edit_rec();

    void delete_rec();

};

void account_query::read_data()

{

    cout<<"\nEnter Account Number: ";

    cin>>account_number;

    cout<<"Enter First Name: ";

    cin>>firstName;

    cout<<"Enter Last Name: ";

    cin>>lastName;

    cout<<"Enter Balance: ";

    cin>>total_Balance;

    cout<<endl;

}

void account_query::show_data()

{

    cout<<"Account Number: "<<account_number<<endl;

    cout<<"First Name: "<<firstName<<endl;

    cout<<"Last Name: "<<lastName<<endl;

    cout<<"Current Balance: Rs.  "<<total_Balance<<endl;

    cout<<"-------------------------------"<<endl;

}

void account_query::write_rec()

{

    ofstream outfile;

    outfile.open("record.bank", ios::binary|ios::app);

    read_data();

    outfile.write(reinterpret_cast<char *>(this), sizeof(*this));

    outfile.close();

}

void account_query::read_rec()

{

    ifstream infile;

    infile.open("record.bank", ios::binary);

    if(!infile)

    {

        cout<<"Error in Opening! File Not Found!!"<<endl;

        return;

    }

    cout<<"\n****Data from file****"<<endl;

    while(!infile.eof())

    {

        if(infile.read(reinterpret_cast<char*>(this), sizeof(*this))>0)

        {

            show_data();

        }

    }

    infile.close();

}

void account_query::search_rec()

{

    int n;

    ifstream infile;

    infile.open("record.bank", ios::binary);

    if(!infile)

    {

        cout<<"\nError in opening! File Not Found!!"<<endl;

        return;

    }

    infile.seekg(0,ios::end);

    int count = infile.tellg()/sizeof(*this);

    cout<<"\n There are "<<count<<" record in the file";

    cout<<"\n Enter Record Number to Search: ";

    cin>>n;

    infile.seekg((n-1)*sizeof(*this));

    infile.read(reinterpret_cast<char*>(this), sizeof(*this));

    show_data();

}

void account_query::edit_rec()

{

    int n;

    fstream iofile;

    iofile.open("record.bank", ios::in|ios::binary);

    if(!iofile)

    {

        cout<<"\nError in opening! File Not Found!!"<<endl;

        return;

    }

    iofile.seekg(0, ios::end);

    int count = iofile.tellg()/sizeof(*this);

    cout<<"\n There are "<<count<<" record in the file";

    cout<<"\n Enter Record Number to edit: ";

    cin>>n;

    iofile.seekg((n-1)*sizeof(*this));

    iofile.read(reinterpret_cast<char*>(this), sizeof(*this));

    cout<<"Record "<<n<<" has following data"<<endl;

    show_data();

    iofile.close();

    iofile.open("record.bank", ios::out|ios::in|ios::binary);

    iofile.seekp((n-1)*sizeof(*this));

    cout<<"\nEnter data to Modify "<<endl;

    read_data();

    iofile.write(reinterpret_cast<char*>(this), sizeof(*this));

}

void account_query::delete_rec()

{

    int n;

    ifstream infile;

    infile.open("record.bank", ios::binary);

    if(!infile)

    {

        cout<<"\nError in opening! File Not Found!!"<<endl;

        return;

    }

    infile.seekg(0,ios::end);

    int count = infile.tellg()/sizeof(*this);

    cout<<"\n There are "<<count<<" record in the file";

    cout<<"\n Enter Record Number to Delete: ";

    cin>>n;

    fstream tmpfile;

    tmpfile.open("tmpfile.bank", ios::out|ios::binary);

    infile.seekg(0);

    for(int i=0; i<count; i++)

    {

        infile.read(reinterpret_cast<char*>(this),sizeof(*this));

        if(i==(n-1))

            continue;

        tmpfile.write(reinterpret_cast<char*>(this), sizeof(*this));

    }

    infile.close();

    tmpfile.close();

    remove("record.bank");

    rename("tmpfile.bank", "record.bank");

}

int main()

{

    account_query A;

    int choice;

    cout<<"***Acount Information System***"<<endl;

    while(true)

    {

        cout<<"Select one option below ";

        cout<<"\n\t1-->Add record to file";

        cout<<"\n\t2-->Show record from file";

        cout<<"\n\t3-->Search Record from file";

        cout<<"\n\t4-->Update Record";

        cout<<"\n\t5-->Delete Record";

        cout<<"\n\t6-->Quit";

        cout<<"\nEnter your choice: ";

        cin>>choice;

        switch(choice)

        {

        case 1:

            A.write_rec();

            break;

        case 2:

            A.read_rec();

            break;

        case 3:

            A.search_rec();

            break;

        case 4:

            A.edit_rec();

            break;

        case 5:

            A.delete_rec();

            break;

        case 6:

            exit(0);

            break;

        default:

            cout<<"\nEnter corret choice";

            exit(0);

        }

    }

    system("pause");

    return 0;

}

HAPPY HEART:-

#include <iostream>

#include <cmath>

using namespace std;

int main()

{

    double x, y, size=10;

    char ch=3;

    string message(" Happy Valentine's Day ");

    int print_line = 4;

    if (message.length() % 2 != 0) message += " ";

    for (x=0;x<size;x++)

    {

        for (y=0;y<=4*size;y++)

        {

            double dist1 = sqrt( pow(x-size,2) + pow(y-size,2) );

            double dist2 = sqrt( pow(x-size,2) + pow(y-3*size,2) );

            if (dist1 < size + 0.5 || dist2 < size + 0.5 ) {

                cout << ch;

            }

            else cout << " ";

        }

        cout<<"\n";

    }

    for (x=1;x<2*size;x++)

    {

        for(y=0;y<x;y++) cout << " ";

        for (y=0; y<4*size + 1 - 2*x; y++)

        {

            if (x >= print_line - 1 && x <= print_line + 1) {

                int idx = y - (4*size - 2*x - message.length()) / 2;

                if (idx < message.length() && idx >= 0) {

                    if (x == print_line) cout<<message[idx];

                    else cout << " ";

                }

                else cout << ch;

            }

            else cout << ch;

        }

        cout<<endl;

    }

    return 0;

}

HEART:-

#include <stdio.h>

#include <math.h>

int main()

{

    int x, y, size=8;

    for (x=0; x<size; x++)

    {

        for (y=0; y<=4*size; y++)

        {

            double dist1 = sqrt( pow(x-size,2) + pow(y-size,2) );

            double dist2 = sqrt( pow(x-size,2) + pow(y-3*size,2) );

            if (dist1 < size + 0.5 || dist2 < size + 0.5 )

                 printf("%c",97);

            else

                 printf(" ");

        }

        printf("\n");

    }

    for (x = 1; x <= 2*size; x++)

    {

        for (y=0; y<x; y++)

        printf(" ");

        for (y=0; y<4*size + 1 - 2*x; y++)

            printf("%c",97);

        printf("\n");

    }

    return 0; 

}

INDIA MAP:-

#include<iostream>

using namespace std;

int main (void) {

    int a=10, b=0, c=10;

    char* bits ="TFy!QJu ROo TNn(ROo)SLq SLq ULo+UHs UJq TNn*RPn/QPbEWS_JSWQAIJO^NBELPeHBFHT}TnALVlBLOFAkHFOuFETpHCStHAUFAgcEAelclcn^r^r\\tZvYxXyT|S~Pn SPm SOn TNn ULo0ULo#ULo-WHq!WFs XDt!";

    a = bits[b];

    while (a != 0) {

        a = bits[b];

        b++;

        while (a > 64) {

            a--;

            if (++c == 'Z') {

                c /= 9;

                putchar(c);

            } else {

                putchar(33 ^ (b & 0x01));

            }

        }

    }

  

system("pause");

}

JOIN TWO CLASS:-

#include<iostream>

#include<conio.h>

#include<string>

using std::string;

int main()

{

       string f,s2;

       char a[3];

       int c,n,l,q,w,e;

    cout << "Enter String: ";

       getline(cin,f);

     cout<< f <<endl;

     cout<<"\nEnter no. of character you want to skip: ";

     cin>>c;

     s2=f.substr(c);

     n=s2.empty();

    if(n==0)

    {

        cout<<s2;

         cout<<"\nSize of string after skipping chars:"<<s2.size();

         cout<<"\nLength of string :”<<f.length()";

         cout<<"\nEnter 3 character to insert in s2:”";

         cin>>a;

        cout<<"\nEnter position from which you overwrite:”";

         cin>>l;

         cout<<"\nS2 after inserting at 2nd position:”<<s2.insert(l,a)"

             ;

         cout<<"\nNo. of element you want to  delete:”";

         cin>>q;

         cout<<"\nPosition of element from where you want to  delete:”";

         cin>>w;

         cout<<"\nAfter <erase> fn.:”"<<s2.erase(w,q);

        

    }

     cout<<"\n\nPROGRAMMING @C#ODE STUDIO";

     getch();

}

MATRIX:-

#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

    try

    {

        int a[10][10],b[10][10],c[10][10],m,n,o,p,i,j;

        line:

            cout<<"Enter number of rows of A: ";

        cin>>m;

        cout<<"Enter number of coloumns of A: ";

        cin>>n;

        cout<<endl<<"Enter elements of matrix A: "<<endl;

        for(i=0;i<m;i++)

           {

            for(j=0;j<n;j++)

            {

                cout<<"Enter element a"<<i+1<<j+1<<": ";

                cin>>a[i][j];

            }

        }

        cout<<endl<<"Enter number of rows of B: ";

        cin>>o;

        cout<<"Enter number of coloumns of B: ";

        cin>>p;

        cout<<endl<<"Enter elements of matrix B: "<<endl;

        for(i=0;i<o;i++)

        {

            for(j=0;j<p;j++)

            {

                cout<<"Enter element b"<<i+1<<j+1<<": ";

                cin>>b[i][j];

            }

        }

        cout<<endl<<"Displaying Matrix A: "<<endl<<endl;

        for(i=0;i<m;i++)

        {

            for(j=0;j<n;j++)

            {

                cout<<a[i][j]<<" ";

            }

            cout<<endl<<endl;

           }

           cout<<endl<<"Displaying Matrix B: "<<endl<<endl;

        for(i=0;i<o;i++)

        {

            for(j=0;j<p;j++)

            {

                cout<<b[i][j]<<" ";

            }

               cout<<endl<<endl;

           }

           if(m!=p || n!=o)

                   throw m;

           for(i=0;i<m;i++)

           {

              for(j=0;j<p;j++)

            {

                c[i][j]=0;

                 for(int k=0;k<n;k++)

                 {

                    c[i][j]=c[i][j]+a[i][k]*b[k][j];

                 }

              }

        }

        cout<<endl<<"Matrix A * Matrix B = Matrix C: "<<endl<<endl;

        for(i=0;i<m;i++)

        {

            for(j=0;j<p;j++)

            {

                cout<<c[i][j]<<" ";

             }

            cout<<endl<<endl;

         }

      }

      catch(int x)

      {

          cout<<"\n\nMULTIPLICATION NOT POSSIBLE : DIMENSION OF MATRICES ARE NOT SAME";

    }

    cout<<"\n\nProgramming @C#ODE STUDIO";

    getch();

}

NESTED STRUCTURE:-

#include<conio.h>

#include<iostream>

using namespace std;

struct bookout

{

       char name[25];

       int price;

       int pages;

       struct bookin

       {

              char isbn[10];

              char author[25];

              int pub_yr;

       }b;

};

int main()

{

    struct bookout a;

    cout<<"\nBOOK DESCRIPTION :)\n";

    cout<<"\nNAME OF BOOK : ";

    cin>>a.name;

    cout<<"\nPRICE : ";

    cin>>a.price;

    cout<<"\nPAGES : ";

    cin>>a.pages;

    cout<<"\nISBN NO. : ";

    cin>>a.b.isbn;

    cout<<"\nAUTHOR : ";

    cin>>a.b.author;

    cout<<"\nPUBLICATION YEAR : ";

    cin>>a.b.pub_yr;

    cout<<"\n\nBOOK DESCRIPTION output :) —- \n\n"

        <<"\nNAME:\t"<<a.name

        <<"\nPRICE:\t"<<a.price

        <<"\nPAGES:\t"<<a.pages

        <<"\nISBN NO.:\t"<<a.b.isbn

        <<"\nAUTHOR:\t"<<a.b.author

        <<"\nPUBLICATION YEAR:\t"<<a.b.pub_yr;

    cout<<"\n\nPROGRAMMING @ C#ODE STUDIO";

    getch();

}

NULL POINTEER:-

#include<stdio.h>

#include<conio.h>

int main()

{

int a[10],b[10],i,sum;

printf("enter the 5 element of a");

for(i=0;i<5;i++)

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

printf("enter the second 5 element");

for(i=0;i<5;i++)

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

for(i=0;i<5;i++)

sum=sum+a[i]*b[i];

printf("%d",sum);

getch();

}

OVERLOADING:-

#include<iostream>

#include<conio.h>

using namespace std;

class inc

{

    private:

        int count ;

    public:

        inc(int x)

        {

            count=x;

        }

        inc()

        {

            count=0;

        }

        friend istream & operator >>(istream &ip, inc &i)

        {

            ip>>i.count;

            return ip;

        }

        friend ostream & operator <<(ostream &op, inc &j)

        {

            op<<j.count;

            return op;

        }

};

int main()

{

    inc obj1(8),obj2,obj3;

    cout<<"\nENTER THE VALUE IN OBJ3 : ";

    cin >> obj3;

    cout<<"\nVALUE IN OBJ1 : ";

    cout << obj1;

    cout<<"\nVALUE IN OBJ2 : ";

    cout<< obj2;

    cout<<"\nVALUE IN OBJ3 : ";

    cout << obj3;

    cout<<"\n\nPROGRAMMING @C#ODE STUDIO";

    getch();

}

PATTERN PRINT:-

 #include<iostream>

 using namespace std;

int main()

{

int i,j,k=0,c=0,l=0;

for(i=1 ; i<=5 ; i++)

{

c=i;

k='a';

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

{

c=i+l;

printf("%d",c+1-i);

c=c+k;

k--;

l++;

}

cout<<"\n";

}

}

STACK:-

#include<iostream>

#include<conio.h>

#include <stdio.h>

#include <stdlib.h>

using namespace std;

int top = 10;

struct node

{

char ch;

struct node *next;

struct node *prev;

} *stack[11];

typedef struct node node;

void push(node *str)

{

if (top <= 0)

printf("Stack is Full ");

else

{

stack[top] = str;

top--;

}

}

node *pop()

{

node *exp;

if (top >= 10)

printf("Stack is Empty ");

else

exp = stack[++top];

return exp;

}

void convert(char exp[])

{

node *op1, *op2;

node *temp;

int i;

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

if (exp[i] >= 'a'&& exp[i] <= 'z'|| exp[i] >= 'A' && exp[i] <= 'Z')

{

temp = (node*)malloc(sizeof(node));

temp->ch = exp[i];

temp->next = NULL;

temp->prev = NULL;

push(temp);

}

else if (exp[i] == '+' || exp[i] == '-' || exp[i] == '*' || exp[i] == '/' ||

exp[i] == '^')

{

op1 = pop();

op2 = pop();

temp = (node*)malloc(sizeof(node));

temp->ch = exp[i];

temp->next = op1;

temp->prev = op2;

push(temp);

}

}

void display(node *temp)

{

if (temp != NULL)

{

display(temp->prev);

printf("%c", temp->ch);

display(temp->next);

}

}

int main()

{

char exp[50];

printf("Enter the postfix expression :");

scanf("%s", exp);

convert(exp);

printf("\nThe Equivalant Infix expression is:");

display(pop());

printf("\n\n");

getch();

}