foo.cc: In function 'int main()':
foo.cc:65:13: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
   65 | printf("%I64d", dist(str, g[length][sum]));
      |         ~~~~^   ~~~~~~~~~~~~~~~~~~~~~~~~~
      |             |       |
      |             int     long long int
      |         %I64lld
foo.cc:25:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   25 | scanf("%d", &length);
      | ~~~~~^~~~~~~~~~~~~~~
foo.cc:26:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   26 | scanf("%s", str);
      | ~~~~~^~~~~~~~~~~

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