regat.cpp: In function 'int main()': regat.cpp:99: error: 'class std::vector<Query, std::allocator<Query> >' has no member named 'emplace_back' regat.cpp:79: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result regat.cpp:81: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result regat.cpp:83: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result regat.cpp:91: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result