Compilare: main.cpp: In function 'void solve()': main.cpp:28:22: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 28 | if(dq.size() < l) | ~~~~~~~~~~^~~ main.cpp:35:48: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 35 | while(dq.front() <= 0 && dq.size() > l) | ~~~~~~~~~~^~~ main.cpp:40:26: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 40 | if(dq.size() >= l) | ~~~~~~~~~~^~~~ main.cpp:42:26: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 42 | if(dq.size() == r) | ~~~~~~~~~~^~~~ main.cpp:55:22: warning: comparison of integer expressions of different signedness: 'std::deque<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 55 | if(dq.size() >= l) | ~~~~~~~~~~^~~~