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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	char * h = "Hello World\n";
  5.     printf("%s", h);
  6.     reverse(h);
  7. 	return 0;
  8. }
  9.  
  10. void reverse(char *str) {
  11.  char * end = str;
  12.  char tmp;
  13.  if (str) {
  14.    while (*end) {
  15.      printf("while %s", end);
  16.      ++end;
  17.    }
  18.    --end;
  19.    while (str < end) {
  20.      tmp = *str;
  21.  
  22.     printf("swapwhile %c\n", tmp);
  23.     *str = *end;
  24.     str++;
  25.  //    *str++ = *end;
  26.      *end-- = tmp;
  27.    }
  28.  
  29.  }
  30. }
  31.  
Runtime error #stdin #stdout 0s 9424KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/071QfK
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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