Borderou de evaluare (job #420490)

Compilare: user.cpp: In function ‘void sterge()’: user.cpp:13:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:29:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:33:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:33:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:36:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:40:57: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:46:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:61:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]