Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:31:13: warning: unused variable 'dist' [-Wunused-variable] 31 | int dist = Q.top().first; | ^~~~ main.cpp: In function 'int main()': main.cpp:51:13: warning: unused variable 'x' [-Wunused-variable] 51 | for(int x, y, i = 1; i <= p; i++) | ^ main.cpp:51:16: warning: unused variable 'y' [-Wunused-variable] 51 | for(int x, y, i = 1; i <= p; i++) | ^