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  1. #include <iostream>
  2.  
  3. int main() {
  4. const int b = ({ int a; std::cin >> a; a; });
  5. const int c = []() -> int { int a; std::cin >> a; return a; }();
  6. }
  7.  
Success #stdin #stdout 0s 2828KB
stdin
Standard input is empty
stdout
Standard output is empty