vector<unsigned long long> divideFile(string, int&);
int divideFile(string, int&, vector<string>&);
vector<unsigned long long> setFilePosEachLine(string, int&);
vector<unsigned long long> divideFile(string, int&);
int divideFile(string, int&, vector<string>&);
vector<unsigned long long> setFilePosEachLine(string, int&);