Borderou de evaluare (job #569664)

Compilare: user.cpp: In function ‘int main()’: user.cpp:23:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:31:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:41:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:44:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:45:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:57:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:79:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:99:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:102:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:103:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:116:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]