fork download
  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a,b,c;
  5. scanf("%d %d %d",&a,&b,&c);
  6.  
  7. switch(c){
  8. case 1:
  9. printf("%d+%d=%d",a,b,a+b);
  10. break;
  11. case 2:printf("%d-%d=%d",a,b,a-b);
  12. break;
  13. case 3:printf("%d×%d=%d",a,b,a*b);
  14. break;
  15. case 4:
  16. if(a%b==0)
  17. printf("%d÷%d=%d",a,b,a/b);
  18. else
  19. printf("%d÷%d=%d余り%d",a,b,a/b,a%b);
  20. break;
  21. }return 0;
  22. }
  23.  
Success #stdin #stdout 0s 5312KB
stdin
5 3 4
stdout
5÷3=1余り2