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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a,b,n,s=0;
  5. 	scanf("%d %d %d",&n,&a,&b);
  6. 	for(int i=1;i<=n;i++){
  7. 		int t=0,r=i;
  8. 		while(r>0){
  9. 			int w=r%10;
  10. 			t+=w;
  11. 			r/=10;
  12. 		}
  13. 		if(a<=t&&b>=t)s+=i;
  14.  
  15. 	}
  16. 	printf("%d",s);
  17. 		return 0;
  18. }
  19.  
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/jgNzRR
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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