fork download
copy 
  1. union {
  2.    float a;
  3.    int b;
  4. }c;
  5. int main() {
  6.    c.a = 3.0; //float is active
  7.    std::cout << c.a; //allowed, float was last thing written
  8.    c.b = 3; //int is active
  9.    std::cout << c.a; //OMG YOU BROKE THE RULES DONT DO THAT
  10. }
Not running #stdin #stdout 0s 0KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/yaPgB
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!