#include <iostream>#include <cstring>#include <conio.h>#include <cstdlib>using namespace std;struct phone{    char name[50];    char address[20];    long  number;} x[50];//All Rights Reserved I: Wael Adel Alselwi ©int a,b=0,c=1,q=0;void input(){    int s;    do    {        b=b+1;        c=c+1;        for( a=b; a<c; a++)        {            q=q+a;            cout<<"name ["<<a<<"]=";            cin>>x[a].name;            cout<<"address ["<<a<<"]=";            cin>>x[a].address;            cout<<"phone ["<<a<<"]=";            cin>>x[a].number;            cout<<"---------------------------------------------\n";        }        cout<<"\nPlease press [1] to add another user\nPlease press [0] to return to the main menu \n";        cin>>s;    }    while(s==1);}//All Rights Reserved I: Wael Adel Alselwi ©void SearchName(){    int r;    char ser[20];    cin>>ser;    for(int j=0; j<q+1; j++)    {        r=strcmp(ser,x[j].name);        //by:With regards to the programmer: Wael Adel Alselwi ©        if(r==0)        {            cout<<"ok\n";            cout<<"name          address       number\n";            cout<<x[j].name<<"            ";            cout<<x[j].address<<"           ";            cout<<x[j].number<<"  \n";        }    }}//All Rights Reserved I: Wael Adel Alselwi ©void SearchTitle(){    int g;    char serr[20];    cin>>serr;    for(int h=0; h<q+1; h++)    {        g=strcmp(serr,x[h].address);        if(g==0)        {            cout<<"#######\n";            cout<<"   ok  \n";            cout<<"########\n\n";            cout<<"address              name                number\n";            cout<<x[h].address<<"                    "<<x[h].name<<"                   "<<x[h].number<<"\n\n";        }    }}//All Rights Reserved I: Wael Adel Alselwi ©void DataShow(){    for(int a=0; a<q+1; a++)    {        cout<<x[a].name<<"               ";        cout<<x[a].address<<"             ";        cout<<x[a].number;        cout<<"\n------------------------------------------";        cout<<"\n\n";    }}//All Rights Reserved I: Wael Adel Alselwi ©void MainMenu(){    cout<<"       by:All Rights Reserved I: Wael Adel Alselwi ©\n";    cout<<"          You are welcome to phone program   \n";    cout<<"             << Main Menu >>                 \n";    cout<<"********************************************\n";    cout<<"* 1-Add a new user                        *\n";    cout<<"* 2-To search for users                    *\n";    cout<<"* 3-Show all users                         *\n";    cout<<"* 4-Edit user data                         *\n";    cout<<"* 5-Delete user data                       *\n";    cout<<"********************************************\n";    cout<<"Please enter the number[1-or-2-or-3-or-4-or-5] ";}//All Rights Reserved I: Wael Adel Alselwi ©void edit(){    int u;    cin>>u;    for(a=u; a<u+1; a++)    {        cout<<"name old= (* "<<a<<"  "<<x[a].name<<" *) new name  = ";        cin>>x[a].name;        cout<<"address old= (* "<<a<<"  "<<x[a].address<<" *) new address = ";        cin>>x[a].address;        cout<<"numbre phone old= (* "<<a<<"  "<<x[a].number<<" \n*) new numbre phone = ";        cin>>x[a].number;    }}//All Rights Reserved I: Wael Adel Alselwi ©void MessageBack(){    cout<<"Back to the main menu press the number (0)\n";}//by:With regards to the programmer: Wael Adel Alselwi ©void ForDelete(){    cout<<"Select the User ID you want to delete \n";    int m;    cin>>m;    for(a=m; a<q; a++)    {        strcpy(x[a].name,x[a+1].name);        strcpy(x[a].address,x[a+1].address);        x[a].number=x[a+1].number;    }}//All Rights Reserved I: Wael Adel Alselwi ©main(){    int p;    do    {        int i,t,w;        MainMenu();        int g;        cin>>g;        if(g!=1&&g!=2&&g!=3&&g!=4&&g!=5)        {            cout<<"error\nExiting The program"<<endl;            exit(1);        }        switch(g)        {        case 1:            system("clr");            cout<<"Please enter data\n";            input();            MessageBack();            cin>>p;            if(p!=0)            {                cout<<"error\nExiting The program"<<endl;                exit(1);            }            break;        case 2:            system("clr");            cout<<"search users \n";            cout<<"To Search by Name Press [1]\nTo search by address Press [2]\n";            cout<<"plese enter number [1-or-2]";            int o;            cin>>o;            if(o==1)            {                cout<<"Please enter the name you want that you're looking for \n";                SearchName();                MessageBack();                cin>>p;            }            else if(o==2)            {                cout<<"Please enter the address you want that you're looking for \n";                SearchTitle();                MessageBack();                cin>>p;            }            else if(o<0||o>2)            {                cout<<"not found\?";                MessageBack();                cin>>p;            }            break;        case 3:            system("clr");            cout<<"\n\n";            cout<<"name            address         number\n";            DataShow();            MessageBack();            cin>>p;            break;        case 4:            system("clr");            cout<<"\n\n";            cout<<"name          address       number\n";            DataShow();            cout<<"Modify the data user to select User ID number and then press\n";            edit();            MessageBack();            cin>>p;            break;        case 5:            cout<<"name          address       number\n";            DataShow();            ForDelete();            cout<<"\n";            cout<<"name          address       number\n";            DataShow();            MessageBack();            cin>>p;            break;        }        system("clr");    }    while(p==0);}//All Rights Reserved I: Wael Adel Alselwi ©