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IT-Step/task2.cpp

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#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
int main() {
int level;
int questions;
int correct = 0;
srand(time(0));
cout << "=== ПЕРЕВIРКА ТАБЛИЦI МНОЖЕННЯ ===" << endl;
cout << "Оберiть рень складностi:" << endl;
cout << "1) Легкий (1-5, 5 питань)" << endl;
cout << "2) Середнiй (1-10, 7 питань)" << endl;
cout << "3) Важкий (1-15, 10 питань)" << endl;
cout << "Введiть номер рiвня (1-3): ";
cin >> level;
switch(level) {
case 1:
questions = 5;
cout << "\n=== ЛЕГКИЙ РIВЕНЬ ===" << endl;
break;
case 2:
questions = 7;
cout << "\n=== СЕРЕДНРIВЕНЬ ===" << endl;
break;
case 3:
questions = 10;
cout << "\n=== ВАЖКИЙ РIВЕНЬ ===" << endl;
break;
default:
cout << "Невiрний вибiр!" << endl;
return 1;
}
for (int i = 1; i <= questions; i++) {
int a, b, answer, userAnswer;
if (level == 1) {
a = rand() % 5 + 1;
b = rand() % 5 + 1;
} else if (level == 2) {
a = rand() % 10 + 1;
b = rand() % 10 + 1;
} else {
a = rand() % 15 + 1;
b = rand() % 15 + 1;
}
answer = a * b;
cout << "\nПитання " << i << "/" << questions << ": " << a << " * " << b << " = ";
cin >> userAnswer;
if (userAnswer == answer) {
cout << "Правильно! +1 бал" << endl;
correct++;
} else {
cout << "Неправильно! Правильна вiдповiдь: " << answer << endl;
}
}
cout << "\n=== РЕЗУЛЬТАТИ ===" << endl;
cout << "Правильних вiдповiдей: " << correct << " з " << questions << endl;
double percentage = (double)correct / questions * 100;
if (percentage >= 90) {
cout << "Оцiнка: ВМIННО! (5)" << endl;
} else if (percentage >= 80) {
cout << "Оцiнка: ДОБРЕ (4)" << endl;
} else if (percentage >= 70) {
cout << "Оцiнка: ЗАДОВЬНО (3)" << endl;
} else {
cout << "Оцiнка: НЕЗАДОВЬНО (2)" << endl;
}
return 0;
}