View Compilation Error

0_0_14946512_31226.cpp: In function 'int main()':
0_0_14946512_31226.cpp:610:42: error: cannot convert 'std::string {aka std::basic_string<char>}' to 'char*' for argument '1' to 'char* gets(char*)'
         gets(deleteUnnecessaryBlank(data));
                                          ^