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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. // your code goes here
  6.  
  7. cout << "Hello world!" << endl;
  8.  
  9. return 0;
  10. }
Success #stdin #stdout 0.01s 5304KB
stdin
Standard input is empty
stdout
Hello world!