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  1. #include <stdio.h>
  2. int sum =0;
  3. void add(int k){
  4. sum += k;
  5.  
  6. }
  7. void sub(int k){ //subtract
  8. sum -= k;
  9. }
  10. int main(void){
  11. add(10);
  12. add(3);
  13. add(21);
  14. sub(1);
  15. sub(19);
  16. add(1);
  17. printf("答え：%d\n", sum);
  18. return 0;
  19. }
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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答え：15
https://ideone.com/Hp7pdf
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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