Compilare: main.cpp: In function 'void update(int, int)': main.cpp:20:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i = poz; i < aib.size(); i += lsb(i)) aib[i] += val; | ~~^~~~~~~~~~~~ main.cpp: In function 'int cb1(int)': main.cpp:31:1: warning: no return statement in function returning non-void [-Wreturn-type] 31 | } | ^ main.cpp: In function 'int cb2(int)': main.cpp:36:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | if(ans + pas < aib.size() && sum + aib[ans + pas] <= x){ | ~~~~~~~~~~^~~~~~~~~~~~