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  1. #include <string.h>
  2.  
  3. void reverse(char* str)
  4. {
  5.   int length = strlen(str);
  6.   char temp;
  7.   int j = length - 1;
  8.  
  9.   for (int i = 0; i < j; ++i)
  10.   {
  11.      temp = str[i];
  12.      str[i] = str[j];
  13.      str[j] = temp;
  14.      --j;
  15.   }
  16. }
  17.  
  18. int main(int argc, char* argv[])
  19. {
  20.    char str[] = "Hello";
  21.    reverse(&str[0]);
  22.    printf("%s\n", str);
  23.    return 0;
  24. }
Success #stdin #stdout 0s 2112KB
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olleH
https://ideone.com/LnOtDL
language:
C (clang 8.0)
created:
10 years ago
visibility:
public

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