Borderou de evaluare (job #483535)

Compilare: user.cpp: In function 'short int lower(short int, short int)': user.cpp:17:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'short int up(short int, short int)': user.cpp:30:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'short int vestic(short int, short int)': user.cpp:43:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'short int estic(short int, short int)': user.cpp:56:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]