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  1. #include <stdio.h>
  2.  
  3. int sum(n);
  4.  
  5. int main(void) {
  6. 	int a;
  7. 	scanf("%d",&a);
  8. 	printf("%d",sum(a));
  9. 	return 0;
  10. }
  11.  
  12. int sum(n){
  13. 	int sum=0;
  14. 	int num=n;
  15. 	for(int i=0; i<n; i++){
  16. 		sum=sum+num;
  17. 		num=num*10+n;
  18. 	}
  19. 	return sum;
  20. }
  21.  
Success #stdin #stdout 0.01s 5236KB
comments (?)
stdin 
5
stdout 
61725
https://ideone.com/6EeT5T
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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