Run id: 79417

Main.cc: In function 'int main()':
Main.cc:16:28: error: 'class std::vector' has no member named 'length'
     printf("%.2f", abc / a.length())
                            ^
Main.cc:19:27: error: 'class std::vector' has no member named 'length'
         if(rrow > abc / a.length()){
                           ^