Compilare: user.cpp: In function ‘void prelucreaza()’: user.cpp:20:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<tip1.size(); i++) ^ user.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<tip2.size(); i++) ^ user.cpp:26:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<tip1.size(); i++) ^ user.cpp:28:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<tip2.size(); i++) ^ user.cpp:32:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<tip1.size(); i++) ^ user.cpp:34:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<tip2.size(); i++) ^ user.cpp: In function ‘bool exista_intersec(int)’: user.cpp:41:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^