Using namespace std; namespace school {
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Dasturlash 1 lab (2)
1. A.
B. #include #include
using namespace std; namespace school { class School { protected: string name; int number, found_date, students_count; public: void set(string _name, int _number, int _found_date, int _students_count) { name = _name; number = _number; found_date = _found_date; students_count = _students_count; }
void get() { cout << endl< cout << "Maktab nomi: " << name << endl; cout << "Maktab raqami: " << number << endl; cout << "Maktab o'quvchilar soni: " << students_count << endl; cout << "Maktab tashqil qilingan yil: " << found_date << endl; }
friend void search(school::School s[], int n); friend void sort(school::School s[], int n);
friend void students_count_increase(school::School s[], int n); };
void search(school::School s[], int n) { cout << endl< cout << "Qidirilayotgan maktab raqamini kiring: " << endl; int query; cin >> query; bool has = false;
for (int i = 0; i < n; i++) { if (s[i].number == query) { has = true; s[i].get(); } }
if (!has) cout << "Siz qidirgan maktab mavjud emas" << endl; }
void sort(school::School s[], int n) { cout << endl< cout << endl << "Maktablarni nomi bilan tartiblash"; school::School temp;
for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) {
if (s[i].name.compare(s[j].name) < 0) { temp = s[i];
s[i] = s[j]; s[j] = temp;
} }
} for (int i = 0; i < n; ++i) s[i].get(); }
cout< int count; cin>>count; cout << endl << "Barcha maktablardagi o'quvchilar sonini "< oshirish";
for (int i = 0; i < n; i++) { s[i].get(); } }
class College: public School{ void set(string _name, int _number, int _found_date, int _students_count) { name = _name; number = _number; found_date = _found_date; students_count = _students_count; } }; }
int main() { int numbers[5] = {1, 3, 6, 12, 5}; string names[5] = {"Dasturchilar maktabi", "Kimyogarlar maktabi", "Donolar maktabi", "Sportchilar maktabi", "Tilchilar maktabi"}; int found_dates[5] = {1999, 1954, 2003, 1992, 2020}; int students_counts[5] = {1222, 894, 1934, 999, 1340};
school::School s[5]; for (int i = 0; i < 5; ++i) { s[i].set(names[i], numbers[i], found_dates[i], students_counts[i]); }
school::sort(s, 5); school::search(s, 5);
school::students_count_increase(s, 5);
} C.
Maktablarni nomi bilan tartiblash
Maktab nomi: Dasturchilar maktabi Maktab raqami: 1 Maktab o'quvchilar soni: 1222 Maktab tashqil qilingan yil: 1999
Maktab nomi: Donolar maktabi Maktab raqami: 6 Maktab o'quvchilar soni: 1934 Maktab tashqil qilingan yil: 2003
Maktab raqami: 3 Maktab o'quvchilar soni: 894 Maktab tashqil qilingan yil: 1954
Maktab nomi: Sportchilar maktabi Maktab raqami: 12 Maktab o'quvchilar soni: 999 Maktab tashqil qilingan yil: 1992
Maktab raqami: 5 Maktab o'quvchilar soni: 1340 Maktab tashqil qilingan yil: 2020
Qidirilayotgan maktab raqamini kiring: 12
Maktab nomi: Sportchilar maktabi Maktab raqami: 12 Maktab o'quvchilar soni: 999 Maktab tashqil qilingan yil: 1992
Barcha maktablardagi o'quvchilar sonini 2 taga oshirish
Maktab nomi: Dasturchilar maktabi Maktab raqami: 1 Maktab o'quvchilar soni: 1224 Maktab tashqil qilingan yil: 1999
Maktab nomi: Donolar maktabi Maktab raqami: 6 Maktab o'quvchilar soni: 1936 Maktab tashqil qilingan yil: 2003
Maktab raqami: 3 Maktab o'quvchilar soni: 896 Maktab tashqil qilingan yil: 1954
Maktab nomi: Sportchilar maktabi Maktab raqami: 12 Maktab o'quvchilar soni: 1001 Maktab tashqil qilingan yil: 1992
Maktab raqami: 5 Maktab o'quvchilar soni: 1342 Maktab tashqil qilingan yil: 2020
2. A.
B. #include #include
using namespace std; class Time { private: int hour, minutes, seconds;
public:
Time(int _hour, int _minutes, int _seconds) { hour = _hour; minutes = _minutes; seconds = _seconds; }
return hour; }
Time() {} };
class User { private: string FIO, operat; public: User(string _FIO, string _operator) { FIO = _FIO; operat = _operator; }
string getOperator() { return operat; }
};
class Traffic : public Time, public User { private: Time time; User user; public: Traffic(Time time, User user) { this->time = time; this->user = user; }
string operat = user.getOperator(); int hours = time.getHour(); bool isGold = true; if (operat == "UMS") isGold = hours >= 0 && hours <= 5; else if (operat == "UCELL") isGold = hours >= 2 && hours <= 8; else if (operat == "BEELINE") isGold = hours >= 2 && hours <= 6; else isGold = hours >= 0 && hours <= 9;
return isGold; } };
int main() { string name, _operator; int h, m, s;
cout << "Xurmatli foydalanuvchi, iltimos ismingizni kiriting: " << endl; cin >> name;
cout << name << " iltimos o'z operatoringizni kiriting" << endl; cin >> _operator;
cout << "Hozirgi vaqtni kiriting, (24-formatda):" << endl; cout << endl << "Soat: "; cin >> h;
cout << endl << "Minut: "; cin >> m;
cout << endl << "Sekund: "; cin >> s;
User user(name, _operator); Time time(h, m, s);
Traffic traffic(time, user); bool isGold = traffic.isGoldTime();
isGold ? cout << "Xurmatli " << name << " siz uchun hozir imtiyozli vaqt" : cout << "Hozr siz uchun imtiyozli vaqt emas";
C.
Xurmatli foydalanuvchi, iltimos ismingizni kiriting: Lazizbek Lazizbek iltimos o'z operatoringizni kiriting UCELL Hozirgi vaqtni kiriting, (24-formatda): Soat: 3
Minut: 12 Sekund: 12 Xurmatli Lazizbek siz uchun hozir imtiyozli vaqt
3. A. B.
#include #include #include
using namespace std; class PhotoDevice { protected: string model, material; int optical_zoom;
public: PhotoDevice(string _name, int _optical_zoom, string _material) { model = std::move(_name); optical_zoom = _optical_zoom; material = std::move(_material); }
virtual int cost() { return (optical_zoom + 2) * (material == "plastmassa" ? 10 : 15); }
bool isExpensive() { return cost() >= 200; }
virtual void print() { cout << endl << model << endl; cout << "Material: " << material << endl; cout << "Optical Zoom: " << optical_zoom << endl; cout << "Cost: " << cost() << " $" << endl; cout << "Status: " << (isExpensive() ? "Expensive" : "Cheap") << endl; }
};
class Digital : public PhotoDevice { private: int MP; public: Digital(string _name, int _optical_zoom, string _material, int _MP) { model = std::move(_name); optical_zoom = _optical_zoom; material = std::move(_material); MP = _MP; }
return PhotoDevice::cost() * MP; }
void print() override { cout << endl << model << endl; cout << "Material: " << material << endl; cout << "Optical Zoom: " << optical_zoom << endl; cout << "Megapixel: " << MP << endl; cout << "Cost: " << cost() << " $" << endl; cout << "Status: " << (isExpensive() ? "Expensive" : "Cheap") << endl; }
MP += 2; }
};
int main() { PhotoDevice photodevice("Fotoapparat", 4, "plastik"); Digital digital("Sifrovoy fotoapparat", 3, "metall", 8);
photodevice.print(); digital.print(); digital.updateModel(); digital.print(); }
C.
Fotoapparat Material: plastik Optical Zoom: 4 Cost: 90 $ Status: Cheap
Sifrovoy fotoapparat Material: metall Optical Zoom: 3 Megapixel: 8 Cost: 600 $ Status: Expensive
Sifrovoy fotoapparat Material: metall Optical Zoom: 3 Megapixel: 10 Cost: 750 $ Status: Expensive
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