Message#Boolean 37

#Boolean 37 #include <iostream> #include <cmath> using namespace std; int main (){ int x1, y1, x2, y2; bool a; cout << "x1 = "; cin >> x1; cout << "y1 = "; cin >> y1; cout << "x2 = "; cin >> x2; cout << "y2 = "; cin >> y2; a = abs(x1 - x2) <= 1 && abs(y1 - y2) <= 1; cout << boolalpha << a << endl; return 0; }