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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. // your code goes here
  5. #include <stdio.h>
  6. int a,b,c,d,e,f,g,h,i;
  7. scanf("%d",&a);
  8. scanf("%d",&b);
  9. scanf("%d",&i);
  10. switch(i){
  11. case(1):
  12. f=a+b;
  13. printf("%d+%d=%d",a,b,f);
  14. break;
  15. case(2):
  16. g=a-b;
  17. printf("%d-%d=%d",a,b,g);
  18. break;
  19. case(3):
  20. h=a*b;
  21. printf("%d×%d=%d",a,b,h);
  22. break;
  23. case(4):
  24. if(b!=0){
  25. if(a%b==0){
  26. c=a/b;
  27. printf("%d÷%d=%d",a,b,c);}
  28. else{
  29. d=a/b;
  30. e=a%b;
  31. printf("%d÷%d=%d余り%d",a,b,d,e);}}
  32. break;}
  33. return 0;
  34. }
  35.  
Success #stdin #stdout 0.01s 5288KB
stdin
12
11
4
stdout
12÷11=1余り1