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  1. #define Sq(a) a*a
  2. main()
  3. {
  4. int a=6;
  5. int res=Sq(a);
  6. printf("%d\n",res);
  7. res=Sq(++a);
  8. printf("%d",res);
  9. }
Success #stdin #stdout 0s 2156KB
stdin
Standard input is empty
stdout
36
64