Compilare: main.cpp: In function 'void solve()': main.cpp:27:22: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 27 | if(dq.size() < l) | ~~~~~~~~~~^~~ main.cpp:34:26: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 34 | if(dq.size() == r) | ~~~~~~~~~~^~~~ main.cpp:51:22: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 51 | if(dq.size() >= l) | ~~~~~~~~~~^~~~