View Compilation Error

0_0_28658555_10342.cpp: In function 'int main(int, const char**)':
0_0_28658555_10342.cpp:59:23: error: cannot pass objects of non-trivially-copyable type 'std::string {aka class std::basic_string<char>}' through '...'
     while(scanf("%s",s)!=EOF)
                       ^