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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int a,b;
  6.     a = (1, 2);
  7.     cout << a << endl;
  8.     b = 1, 2;
  9.     cout << b << endl;
  10. }
stdin 
Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:6: warning: left-hand operand of comma has no effect
prog.cpp:8: warning: right-hand operand of comma has no effect
stdout 
2
1
https://ideone.com/cRNFS
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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