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main.cpp
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34 lines (32 loc) · 880 Bytes
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#include <iostream>
#include <cmath>
using std::cout;
using std::cin;
using std::endl;
void Doit( double x, double y){
if (x >= -3 && x < -2) {
y = -2 - x;
cout << "Функция равна: " << y;
} else if (x >= -2 && x < -1) {
y = sqrt(1 - (x + 1) * (x + 1));
cout << "Функция равна: " << y;
} else if (x >= -1 && x < 1) {
y = 1;
cout << "Функция равна: " << -y;
} else if (x >= 1 && x < 2) {
y = -x + 1;
cout << "Функция равна: " << y;
} else if (x >= 2 && x <= 5) {
y = -1;
cout << "Функция равна: " << y;
} else {
cout << "x вне диапазона функции" << endl;
}
}
int main() {
double x, y;
cout << "Введите значение x: ";
cin >> x;
Doit(x,y);
return 0;
}