Borderou de evaluare (job #468782)

Compilare: user.cpp: In function ‘void intersectie()’: user.cpp:57:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:56:9: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] user.cpp: In function ‘void intersectie2()’: user.cpp:80:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void evaluare()’: user.cpp:119:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]