Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:30:9: warning: unused variable 'dist' [-Wunused-variable] 30 | int dist[NMAX]; | ^~~~ main.cpp: In function 'int main()': main.cpp:89:39: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 89 | for(int mask = 1; mask <= (1 << k + 1) - 1; ++ mask) | ~~^~~ main.cpp:109:24: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 109 | fout << dp[(1 << k +1) - 1][k] << '\n'; | ~~^~