View Compilation Error

0_0_17447365_29217.cpp: In function 'int main()':
0_0_17447365_29217.cpp:128:28: error: cannot pass objects of non-trivially-copyable type 'std::string {aka class std::basic_string<char>}' through '...'
    printf("%s\n",fx[ways[i]]);
                            ^