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  1. #include <stdio.h>
  2. int main()
  3. {
  4. 	int a,b, n=0;
  5.  
  6.     printf("整数を入力してください\n");
  7.     scanf("%d",&b);
  8.  
  9.  
  10. 	for ( a=b ; a<=b ; a-- )
  11. 	{
  12. 		n++;
  13. 		if((a>0 && n<=20))
  14. 		{
  15. 	          printf(" %d",a);
  16. 	    }
  17.  
  18. 	}
  19. 	return 0;
  20.  
  21. }
  22.  
Success #stdin #stdout 1.5s 5440KB
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stdin
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30
stdout
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整数を入力してください
 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11
https://ideone.com/45Eyz1
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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