W3School TIY Editor

#include <iostream> #include <cmath> using namespace std; int main() { cout << floor(0.60) << "\n"; cout << floor(0.40) << "\n"; cout << floor(5) << "\n"; cout << floor(5.1) << "\n"; cout << floor(-5.1) << "\n"; cout << floor(-5.9) << "\n"; return 0; }