Compilare: user.cpp:105:2: warning: no newline at end of file user.cpp: In function 'void doJob()': user.cpp:61: warning: comparison between signed and unsigned integer expressions user.cpp:65: warning: comparison between signed and unsigned integer expressions user.cpp:30: warning: unused variable 'count' user.cpp: In function 'int main()': user.cpp:89: warning: comparison between signed and unsigned integer expressions