Compilare: main.cpp: In function 'void debug(std::vector<int>)': main.cpp:51:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i = 0;i < v.size();i++) | ~~^~~~~~~~~~ main.cpp: In function 'std::string decToBin(int, int)': main.cpp:75:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 75 | while(ans.size() < sz) ans.insert(ans.begin(), '0'); | ~~~~~~~~~~~^~~~ main.cpp:68:9: warning: unused variable 'it' [-Wunused-variable] 68 | int it = 0; | ^~ main.cpp: In function 'int main()': main.cpp:94:9: warning: unused variable 'st' [-Wunused-variable] 94 | int st = 0; | ^~