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count digits, white space and others

/ Published in: C
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  1. #include <stdio.h>
  2.  
  3. // count the digit, white space, and others
  4. int main()
  5. {
  6. 	char c,nwhite,nother;
  7.  
  8. 	int ndigit[10];
  9.  
  10. 	nwhite = 0;
  11. 	nother = 0;
  12.  
  13. 	for(int i = 0; i < 10; i++) 
  14. 		ndigit[i] = 0;
  15.  
  16. 	while( (c = getchar()) != EOF ) {
  17. 		if ( c >= '0' && c <= '9' )
  18. 			++ndigit[c-'0'];
  19. 		else if ( c == '\n' || c == '\t' || c == ' ')
  20. 			++nwhite;
  21. 		else
  22. 			++nother;
  23. 	}
  24.  
  25. 	printf("The number of white space is: %d\n",nwhite);
  26. 	printf("The number of other char is: %d\n",nother);
  27.  
  28. 	int j = 9;
  29. 	while( j !=0 ){
  30. 		printf("The number of digit %d is",j);
  31. 		printf("%d\n",ndigit[j]);
  32. 		--j;
  33. 	}
  34. 	return 0;
  35. }

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