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  1. #include <stdio.h>
  2.  
  3. int main(){
  4.  
  5. 	int a,b,c,sum,jyo;
  6. 	sum=0;
  7. 	jyo=0;
  8. 	scanf("%d %d %d",&a,&b,&c);/*cには1~4の数字を入れてください*/
  9.  
  10. 	switch(c){
  11. 		case 1:
  12. 		sum=a+b;
  13. 		printf("%d+%d=%d",a,b,sum);
  14. 		break;
  15.  
  16. 		case 2:
  17. 		sum=a-b;
  18. 		printf("%d-%d=%d",a,b,sum);
  19. 		break;
  20.  
  21. 		case 3:
  22. 		sum=a*b;
  23. 		printf("%d×%d=%d",a,b,sum);
  24. 		break;
  25.  
  26. 		case 4:
  27. 		if(a%b==0){
  28. 			sum=a/b;
  29. 			printf("%d÷%d=%d",a,b,sum);
  30. 		}
  31. 		else{
  32. 			sum=a/b;
  33. 			jyo=a%b;
  34. 			printf("%d÷%d=%d余り%d",a,b,sum,jyo);
  35. 		}
  36. 		break;
  37.  
  38. 		default:
  39. 		printf("いい加減にしてーや");
  40. 	}
  41. 	return 0;
  42. }
Success #stdin #stdout 0s 5316KB
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10 3 0
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いい加減にしてーや
https://ideone.com/iBylOP
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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