Borderou de evaluare (job #446612)

Compilare: user.cpp: In function ‘int main()’: user.cpp:20:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:20:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:34:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:34:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:48:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:48:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:63:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:63:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]