Compilare: user.cpp: In function ‘int verif(int)’: user.cpp:156:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n1.size();i++)for(int j=0;j<n2.size();j++)//intesectez segmenntul orizontal i si segmentul veritcal j ^ user.cpp:156:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n1.size();i++)for(int j=0;j<n2.size();j++)//intesectez segmenntul orizontal i si segmentul veritcal j ^ user.cpp:160:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<nod.size();i++) ^ user.cpp:162:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<nod.size()-1;i++)for(int j=i+1;j<nod.size();j++) ^ user.cpp:162:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<nod.size()-1;i++)for(int j=i+1;j<nod.size();j++) ^