Compilare: main.cpp: In function 'int main()': main.cpp:23:20: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 23 | if(d.size()==k+1) | ~~~~~~~~^~~~~ main.cpp:29:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int i=1;i<=d.size();i++) | ~^~~~~~~~~~