Compilare: user.cpp: In function ‘void unic(std::vector<point>&)’: user.cpp:81:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 1 ; i < A.size() ; ++i ){ ^ user.cpp: In function ‘void nofitpolygon(std::vector<point>&, std::vector<point>&)’: user.cpp:119:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0 ; i < poligon.size() ; ++i ){ ^ user.cpp:120:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int j = 0 ; j < origine.size() ; ++j ){ ^