Compilare: main.cpp: In function 'int main()': main.cpp:21:29: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 21 | if (q.size()>K){ | ~~~~~~~~^~ main.cpp:36:21: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 36 | if (q.size()<K) | ~~~~~~~~^~