Stdle #52 · classes · 2026-07-28
What does this C++ snippet output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
#include <iostream>int main() { int x = 4; int& r1 = x; int& r2 = r1; // another alias to x r2 = 99; std::cout << x << " " << r1 << "\n"; return 0;}Classes