Eroare de compilare: user.cpp: In function ‘void readFile()’: user.cpp:75:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (_inElements.size() != _inNoOfElements) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ user.cpp: At global scope: user.cpp:163:11: error: ‘::main’ must return ‘int’ void main() ^ user.cpp: In function ‘int main()’: user.cpp:169:9: error: return-statement with no value, in function returning ‘int’ [-fpermissive] return; ^~~~~~