Borderou de evaluare (job #129022)

Compilare: user.cpp: In function ‘int main()’: user.cpp:15:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:24:64: warning: statement has no effect [-Wunused-value] user.cpp:25:65: warning: statement has no effect [-Wunused-value] user.cpp:26:66: warning: statement has no effect [-Wunused-value] user.cpp:27:67: warning: statement has no effect [-Wunused-value] user.cpp:31:64: warning: statement has no effect [-Wunused-value] user.cpp:32:65: warning: statement has no effect [-Wunused-value] user.cpp:33:66: warning: statement has no effect [-Wunused-value] user.cpp:34:67: warning: statement has no effect [-Wunused-value]