Compilare: main.cpp: In function 'int main()': main.cpp:24:20: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 24 | if(v.size()==k+1) | ~~~~~~~~^~~~~ main.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(j=0;j<v.size();j++) | ~^~~~~~~~~