Compilare: main.cpp: In function 'int main()': main.cpp:37:12: warning: unused variable 'x' [-Wunused-variable] 37 | int i, x, y, cost, mx = 0; | ^ main.cpp:37:15: warning: unused variable 'y' [-Wunused-variable] 37 | int i, x, y, cost, mx = 0; | ^ main.cpp:37:18: warning: unused variable 'cost' [-Wunused-variable] 37 | int i, x, y, cost, mx = 0; | ^~~~