Надо нарисовать блок схему #include #include #include using namespace std; class contact { long ph; char name[20], add[20]; public: void create_contact() { cout<<"Phone: "; cin>>ph; cout<<"Name: "; cin.ignore(); cin>>name; cout<<"Address: "; cin.ignore(); cin>>add; cout<<"\n"; } void show_contact() { cout< cout< cout< } long getPhone() { return ph; } char* getName() { return name; } char* getAddress() { return add; } }; fstream fp; contact cont; void save_contact() { fp.open("contactBook.txt", ios::out|ios::app); cont.create_contact(); fp.write((char*)&cont, sizeof(contact)); fp.close(); cout< getchar(); } void show_all_contacts() { cout<<"\n\t\t===\n\t\t\tLIST OF CONTACTS\n\t \t===\n"; fp.open("contactBook.txt", ios::in); while(fp.read((char*)&cont, sizeof(contact))) { cont.show_contact(); cout< } fp.close(); } void display_contact(int num) { bool found; int ch; found=false; fp.open("contactBook.txt", ios::in); while(fp.read((char*)&cont, sizeof(contact))) { if(cont.getPhone()==num) { cont.show_contact(); found=true; } } fp.close(); if(found == false){ cout<<"\n\nNo record found...";} getchar(); } void edit_contact() { int num; bool found=false; cout<<"Edit contact\n===\n\n\t*_*Enter the number of contact to edit:"; cin>>num; fp.open("contactBook.txt", ios::in|ios::out); while(fp.read((char*)&cont, sizeof(contact)) && found==false) { if(cont.getPhone()==num) { cont.show_contact(); cout<<"\nPlease Enter The New Details of Contact: "< cont.create_contact(); int pos=-1*sizeof(cont); fp.seekp(pos, ios::cur); fp.write((char*)&cont, sizeof(cont)); cout< found=true; } } fp.close(); if(found==false) cout< } int main(int argc, char *argv[]) { for(;;) { int ch; cout<<"\n\t ? ??? ? Welcome to Contact Management System ? ??? ?"; cout<<"\n\n\n\t\t\tMAIN MENU\n\t\t=\n\t\t[1] Add a new Contact\n\t\t[2] List all Contacts\n\t\t[3] Search for contact\n\t\t[4] Edit a Contact\n\t\t[5] t"; cout<<"Enter the choice:"; cin>>ch; switch(ch) { case 0: cout<<"\n\n\t\tThank you for using CMS? ??? ?"; break; case 1:save_contact(); break; case 2:show_all_contacts(); break; case 3: int num; cout<<"\n\n\tPhone: "; cin>>num; display_contact(num); break; case 4:edit_contact(); break; } int opt; cout<<"\n\n\n*_*Enter the Choice:\n\n\t[1] Main Menu\t\t[0] Exit\n"; cin>>opt; switch (opt) { case 1: continue; case 0: break; } } return 0; }