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  1. #include <stdio.h>
  2.  
  3. const int NUMBER = 56287;
  4. const int DIGIT_TO_FIND = 4;
  5. int thisDigit;
  6.  
  7. int findIfDigitIsPresent(int thisNumber) {
  8.  
  9. 	while (thisNumber != 0) {
  10. 	    thisDigit = thisNumber % 10;    
  11. 	    thisNumber = thisNumber / 10; 
  12.  
  13. 	    if (thisDigit == DIGIT_TO_FIND) {
  14. 	        return 1;
  15. 	    }
  16. 	}
  17. 	return 0;
  18. }
  19.  
  20.  
  21. int main(void) {
  22. 	int increment = 0;
  23. 	for(int i = 1; i <= NUMBER; i++) {
  24. 		if(findIfDigitIsPresent(i)) {
  25. 			increment = increment + 1;
  26. 		}
  27. 	}
  28. 	printf("%d\n", NUMBER - increment);
  29. 	return 0;
  30. }
  31.  
  32.  
Success #stdin #stdout 0s 9432KB
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30120
https://ideone.com/7ooNEZ
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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