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  1. #include <stdio.h>
  2.  
  3. int main(){
  4.  
  5. 	int a,b,c,d,e,f,g,h;
  6.  
  7. 	scanf("%d %d %d", &a,&b,&c);
  8. {
  9. 	switch(c){
  10.  
  11. 		case 1:
  12. 		d=a+b;
  13. 		printf("%d+%d=%d",a,b,d);
  14. 		break;
  15.  
  16. 		case 2:
  17. 		e=a-b;
  18. 		printf("%d-%d=%d",a,b,e);
  19. 		break;
  20.  
  21. 		case 3:
  22. 		f=a*b;
  23. 		printf("%d×%d=%d",a,b,f);
  24. 		break;
  25.  
  26. 		case 4:
  27. 		g=a/b;	h=a%b;
  28. 		{
  29. 		switch(h){
  30. 			case 0:
  31. 			printf("%d÷%d=%d",a,b,g);
  32. 			break;
  33.  
  34. 			default:
  35. 			printf("%d÷%d=%d 余り %d",a,b,g,h);
  36. 			break;
  37. 			}
  38. 		}
  39. }
  40. }
  41. return 0;
  42. }
Success #stdin #stdout 0s 5300KB
comments (?)
stdin
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100 2 4
stdout
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100÷2=50
https://ideone.com/WP6lIm
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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