Compilare: main.cpp: In function 'void solve()': main.cpp:32:13: warning: unused variable 'd' [-Wunused-variable] int d = q.top().first; ^ main.cpp: In function 'void afis()': main.cpp:45:51: warning: left shift count >= width of type [-Wshift-count-overflow] fout << (dist[i] == inf) ? 0 : dist[i] << ' '; ^~~ main.cpp:45:54: warning: second operand of conditional expression has no effect [-Wunused-value] fout << (dist[i] == inf) ? 0 : dist[i] << ' '; ^ main.cpp:45:48: warning: third operand of conditional expression has no effect [-Wunused-value] fout << (dist[i] == inf) ? 0 : dist[i] << ' '; ~~~~~~~~^~~~~~