Compilare: user.cpp: In function ‘int main()’: user.cpp:299:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < graph[nnod].size(); ++i ) ^ user.cpp:176:33: warning: ‘resy’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << resx << " " << resy << " " << mat[resx][resy] - 1 << "\n"; ^ user.cpp:176:18: warning: ‘resx’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << resx << " " << resy << " " << mat[resx][resy] - 1 << "\n"; ^