Borderou de evaluare (job #176505)

Compilare: user.cpp: In function ‘bool portf()’: user.cpp:197:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:213:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘bool calef()’: user.cpp:223:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:233:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘bool portf()’: user.cpp:219:1: warning: control reaches end of non-void function [-Wreturn-type]