Compilare: main.cpp: In function 'void bkt(int)': main.cpp:44:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | if(poz==W.size()) | ~~~^~~~~~~~~~ main.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int i=q;i<W.size();i++) | ~^~~~~~~~~