Compilare: In constructor 'rmq::rmq(int, std::vector<int>&)', inlined from 'int main()' at main.cpp:58:14: main.cpp:24:21: warning: 'rq.rmq::lg[<unknown>]' may be used uninitialized [-Wmaybe-uninitialized] 24 | lg[n] = lg[n / 2] + 1; | ~~~~~~~~^ main.cpp: In function 'int main()': main.cpp:58:7: note: 'rq' declared here 58 | rmq rq(n, v); | ^~ In constructor 'rmq::rmq(int, std::vector<int>&)', inlined from 'int main()' at main.cpp:58:14: main.cpp:24:21: warning: 'rq.rmq::lg[<unknown>]' may be used uninitialized [-Wmaybe-uninitialized] 24 | lg[n] = lg[n / 2] + 1; | ~~~~~~~~^ main.cpp: In function 'int main()': main.cpp:58:7: note: 'rq' declared here 58 | rmq rq(n, v); | ^~