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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int keisan, tate, yoko, takasa;
  5.  
  6. 	scanf("%d",&keisan);
  7.  
  8. 	switch(keisan){
  9. 		case 1:
  10. 			scanf("%d %d",&tate,&yoko);
  11. 			printf("2*(%d+%d)=%d\n",tate,yoko,2*(tate+yoko));
  12. 			break;
  13. 		case 2:
  14. 			scanf("%d %d",&tate,&yoko);
  15. 			printf("%d*%d=%d",tate,yoko,tate*yoko);
  16. 			break;
  17. 		case 3:
  18. 			scanf("%d %d %d",&tate,&yoko,&takasa);
  19. 			printf("%d*%d*%d=%d",tate, yoko, takasa,tate*yoko*takasa);
  20. 			break;
  21. 		default:
  22. 			printf("不正な入力です");
  23. 			break;
  24.  
  25. 	}
  26. 	return 0;
  27. }
  28.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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2 5 6
stdout
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5*6=30
https://ideone.com/WQ6O5n
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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