Compilare: user.cpp: In function ‘void cauta(int, int)’: user.cpp:51:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < A.size(); j++){ ^ user.cpp:55:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j != A.size() + 2) ^ user.cpp: In function ‘int main()’: user.cpp:104:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < A.size(); k++) ^ user.cpp:116:63: warning: ‘yy’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << camere << "\n" << ariemax << "\n" << xx << " " << yy <<" "<< S; ^ user.cpp:116:50: warning: ‘xx’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << camere << "\n" << ariemax << "\n" << xx << " " << yy <<" "<< S; ^