Eroare de compilare: main.cpp: In function 'int main()': main.cpp:80:22: error: 'log2' was not declared in this scope 80 | cout << ceil(log2(maxx))<<"\n"; | ^~~~ main.cpp:80:17: error: 'ceil' was not declared in this scope 80 | cout << ceil(log2(maxx))<<"\n"; | ^~~~ main.cpp:17:12: warning: unused variable 'j' [-Wunused-variable] 17 | int i, j, nr, n, m,u,v; | ^ main.cpp:17:15: warning: unused variable 'nr' [-Wunused-variable] 17 | int i, j, nr, n, m,u,v; | ^~ Non zero exit status: 1