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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a, b, keisan;
  5.  
  6. 	scanf("%d %d %d",&a,&b,&keisan);
  7.  
  8. 	switch(keisan){
  9. 		case 1:
  10. 			printf("%d+%d=%d",a,b,a+b);
  11. 			break;
  12. 		case 2:
  13. 			printf("%d-%d=%d",a,b,a-b);
  14. 			break;
  15. 		case 3:
  16. 			printf("%d×%d=%d",a,b,a*b);
  17. 			break;
  18. 		case 4:
  19. 			if(a%b==0){
  20. 				printf("%d÷%d=%d",a,b,a/b);
  21. 			}
  22. 			else{
  23. 				printf("%d÷%d=%d余り%d",a,b,a/b,a%b);
  24. 			}
  25. 			break;
  26. 		default:
  27. 			printf("不正な入力です");
  28. 			break;
  29. 	}
  30. 	return 0;
  31. }
  32.  
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
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66 5 4
stdout
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66÷5=13余り1
https://ideone.com/S71uh9
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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