/in/foo.cc: In function 'int main()':
/in/foo.cc:121:45: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
         if(ratio<min_ratio||ratio==min_ratio&&h[i]>max_h)
                             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/in/foo.cc: At global scope:
/in/foo.cc:142:1: error: 'Copy' does not name a type
 Copy
 ^~~~