Compilare: main.cpp: In function 'int main()': main.cpp:14:9: warning: variable 'wa' set but not used [-Wunused-but-set-variable] 14 | int wa[n], en[n], st[n], co[n]; // water, energy drink, steps, cost | ^~ main.cpp:14:16: warning: variable 'en' set but not used [-Wunused-but-set-variable] 14 | int wa[n], en[n], st[n], co[n]; // water, energy drink, steps, cost | ^~ main.cpp:14:23: warning: variable 'st' set but not used [-Wunused-but-set-variable] 14 | int wa[n], en[n], st[n], co[n]; // water, energy drink, steps, cost | ^~ main.cpp:14:30: warning: variable 'co' set but not used [-Wunused-but-set-variable] 14 | int wa[n], en[n], st[n], co[n]; // water, energy drink, steps, cost | ^~