Compilare: main.cpp: In function 'int main()': main.cpp:92:9: warning: unused variable 'station1' [-Wunused-variable] 92 | int station1, station2, cost; | ^~~~~~~~ main.cpp:92:19: warning: unused variable 'station2' [-Wunused-variable] 92 | int station1, station2, cost; | ^~~~~~~~ main.cpp:92:29: warning: unused variable 'cost' [-Wunused-variable] 92 | int station1, station2, cost; | ^~~~