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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a = 10;
  5. int b = 20;
  6. printf("%d", a + b);
  7. return 0;
  8. }
  9.  
Success #stdin #stdout 0s 4468KB
stdin
Standard input is empty
stdout
30