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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a = 0;
  5. printf("~-a = %d\n-~a = %d\n", ~-a, -~a);
  6. return 0;
  7. }
  8.  
Success #stdin #stdout 0s 3412KB
stdin
Standard input is empty
stdout
~-a = -1
-~a = 1