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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. // your code goes here
  5. int a,b,c,d,e,f,g,h;
  6. scanf("%d%d%d",&a,&b,&c);
  7. switch(c){
  8. case 1:
  9. printf("%d+%d=%d",a,b,a+b);
  10. break;
  11. case 2:
  12. printf("%d-%d=%d",a,b,a-b);
  13. break;
  14. case 3:
  15. printf("%d×%d=%d",a,b,a*b);
  16. break;
  17. case 4:
  18. printf("%d÷%d=%d余り%d",a,b,a/b,a%b);
  19. break;
  20. }
  21. return 0;
  22. }
  23.  
Success #stdin #stdout 0.01s 5224KB
stdin
123
34
4
stdout
123÷34=3余り21