Compilare: user.cpp: In function ‘int main()’: user.cpp:39:27: warning: unused variable ‘nod’ [-Wunused-variable] int n, m, x, y, c, i, nod, d, t, j; ^ user.cpp:99:22: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << dist[i][j] << "\n"; ^