#include #include using namespace std;

int main() { double etholon = 360; cout << setprecision(13); /long/ double pi(3.24f); double rad(55.55555555555f); double pi2(3.14159265358f); double rad2(57.29577951308f);

double round = (pi * 2.f) * rad; if (round == etholon) cout << " π = 3.24" << endl; cout << round << endl; double round2 = (pi2 * 2.f) * rad2; if (round2 == etholon) cout << " π = 3.14159265358979"; cout << round2 << endl;

 double PI = (360.00000000000/2)/55.55555555555;

cout << PI << endl; double Degrice = ( PI * 2) * 55.55555555555; if (Degrice == etholon) cout << " π = 3.24" << endl; cout << Degrice << endl; }