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  1. #include <stdio.h>
  2. int main(void) 
  3. {
  4. 	int a,b,c,ans,tmp;
  5. 	printf("整数と演算を表す数字を入力:\n"); scanf("%d %d %d",&a,&b,&c);
  6. 	switch(c)
  7. 	{
  8. 		case 1: ans = a + b; printf("%d + %d = %d",a,b,ans); break;
  9. 		case 2: ans = a - b; printf("%d - %d = %d",a,b,ans); break;
  10. 		case 3: ans = a * b; printf("%d × %d = %d",a,b,ans); break;
  11. 		case 4: ans = a / b; tmp = a % b; printf("%d ÷ %d = %d余り%d",a,b,ans,tmp); break;
  12. 		default: printf("error");
  13. 	}
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0.01s 5288KB
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整数と演算を表す数字を入力:
error
https://ideone.com/F5aejw
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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