Compilare: main.cpp: In constructor 'Bit::Bit(long long int)': main.cpp:21:9: warning: 'Bit::n' will be initialized after [-Wreorder] 21 | int n; | ^ main.cpp:20:17: warning: 'std::vector<long long int> Bit::v' [-Wreorder] 20 | vector<int> v; | ^ main.cpp:22:5: warning: when initialized here [-Wreorder] 22 | Bit(int n) : n(n) , v(n + 1 , 0) { } | ^~~ main.cpp: In function 'int32_t main()': main.cpp:132:21: warning: 'poz1' may be used uninitialized in this function [-Wmaybe-uninitialized] 132 | ans += val1[poz1] - val2[poz1]; | ^