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  1. #include <stdio.h>
  2.  
  3. int main ()
  4. {
  5. 	int sum=0, i=0, j, pos=0;
  6. 	char isbn[10];
  7. 	gets(isbn);
  8. 	while (isbn[pos]) {
  9. 		i++;
  10. 		j = isbn[pos]-'0';
  11. 		if (i < 10)
  12. 			sum += j*i;
  13. 		pos++;
  14. 		//printf("n=%d\n",j);
  15. 	}
  16.  
  17. 	if (j == sum % 11)
  18. 		printf ("Kod ISBN korrekten\n");
  19. 	else
  20. 		printf ("Kod ISBN NEkorrekten\n");
  21.  
  22. return 0; 
  23. }
Success #stdin #stdout 0s 2160KB
comments (?)
stdin 
0321334876
stdout 
Kod ISBN NEkorrekten
https://ideone.com/3Tarc4
language:
C (gcc 8.3)
created:
8 years ago
visibility:
secret

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