Compilare: main.cpp: In function 'void dfs(int)': main.cpp:39:30: warning: unused variable 'cost' [-Wunused-variable] 39 | int vec = get<0>(e), cost = get<1>(e), nrE = get<2>(e); | ^~~~ main.cpp: In function 'int main()': main.cpp:75:37: warning: unused variable 'c' [-Wunused-variable] 75 | int x = ed.x, y = ed.y, c = ed.c, e = ed.E; | ^