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  1.  
  2. #include <stdio.h>
  3. int bitcount(unsigned int a){
  4. 	int i =0;
  5. 	while(a){
  6. 		i++;
  7. 		a &= (a-1);
  8. 	}
  9. 	return i;
  10. }
  11. void lower(char* str){
  12. 	char c;
  13. 	int i = 0;
  14. 	while ((c = str[i]) != '\0' && c!='\n'){
  15. 		(c > 'A' && c < 'Z') ? (str[i] = c - 'A' + 'a') : (str[i] = c);
  16. 		i++;
  17. 	}
  18. }
  19. int main(){
  20. 	char test[50] = "HEllo wolrd";
  21. 	printf(test);
  22. 	lower(test);
  23. 	printf(test);
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 5276KB
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stdin
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Standard input is empty
stdout
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HEllo wolrdhello wolrd
https://ideone.com/bLdA5s
language:
C (gcc 8.3)
created:
5 hours ago
visibility:
public

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