Compilare: user.cpp: In function ‘int main()’: user.cpp:43:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v1.size();i++)for(int j=0;j<v2.size();j++) ^ user.cpp:43:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v1.size();i++)for(int j=0;j<v2.size();j++) ^ user.cpp:45:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int p1=0;p1<v2.size();p1++)//orizontale ^ user.cpp:46:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int p2=p1+1;p2<v2.size();p2++)//pereche orizontala ^ user.cpp:50:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int p3=0;p3<v1.size();p3++)//parcurg sirul de verticale ^