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  1. #include <stdio.h>
  2.  
  3.  
  4. void char_register(char * ch, int fl){
  5.  
  6.     if(fl == 1){
  7.         if ('a' <= *ch && *ch <= 'z')
  8.             *ch += ('A' - 'a');
  9.     }
  10.     if(fl == 0){
  11.         if ('A' <= *ch && *ch <= 'Z')
  12.             *ch += ('a' - 'A');
  13.     }	
  14. 	putchar(*ch);
  15.  
  16. }
  17.  
  18.  
  19. int main(void) {
  20.  
  21. 	char c;
  22. 	int fl;
  23.  
  24. 	scanf("%c %d", &c, &fl);
  25. 	char_register(&c, fl);
  26. }
Success #stdin #stdout 0s 9424KB
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Y
https://ideone.com/kc5E9m
language:
C (gcc 8.3)
created:
5 years ago
visibility:
secret

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