Compilare: main.cpp: In function 'int main()': main.cpp:9:12: warning: unused variable 'm' [-Wunused-variable] 9 | int n, m, i, rez, cost, costlit, noapte, j; | ^ main.cpp:12:9: warning: unused variable 'st' [-Wunused-variable] 12 | int st = 1; | ^~ main.cpp:13:9: warning: unused variable 'ans' [-Wunused-variable] 13 | int ans = 0; | ^~~ main.cpp:18:9: warning: unused variable 'sum' [-Wunused-variable] 18 | int sum = 0; | ^~~