Compilare: user.cpp: In function ‘void act(int)’: user.cpp:40:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n1.size();i++) ^ user.cpp:59:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n2.size();i++) ^ user.cpp: In function ‘int verif(int)’: user.cpp:85:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n1.size();i++) ^ user.cpp:88:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<n2.size();j++)//intesectez segmenntul orizontal i si segmentul veritcal j ^