/in/foo.cc: In function 'int main()':
/in/foo.cc:133:39: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if(ratio<min_ratio||ratio==min_ratio&&h[i]>max_h)
                       ~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/in/foo.cc:140:19: warning: format '%d' expects argument of type 'int', but argument 2 has type 'LL {aka long long int}' [-Wformat=]
  printf("%d\n",res);
                   ^