Compilare: user.cpp: In function ‘void dijkstra()’: user.cpp:91:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < mat[x][y].size(); ++i) ^ user.cpp:99:71: warning: ‘ceeste’ may be used uninitialized in this function [-Wmaybe-uninitialized] dv[mat[x][y][i].first][mat[x][y][i].second].d = ceeste; ^