UPC/1sem/adaptation courses/3/11.cpp
2019-11-18 10:01:42 +07:00

21 lines
No EOL
434 B
C++

// ac_3_11.cpp
// Горбацевич Андрей
#include <iostream>
#include <cmath>
using namespace std;
bool in_D(double x, double y)
{
bool moreTwo = (y >= 2);
bool inAbs = (y >= 2*abs(x));
return moreTwo or inAbs;
}
int main()
{
double x, y, a;
cout << "x, y, a >>>";
cin >> x >> y >> a;
double S = ((in_D(x, y) and (a < 2))? (pow(a, -x)) : log(1 + x*x));
cout << "S(x,y,a)= " << S << endl;
}