Compilare: main.cpp: In function 'void solve()': main.cpp:54:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for (int k = 0; k < dq.size(); k++) { | ~~^~~~~~~~~~~ main.cpp:53:7: warning: unused variable 'ind' [-Wunused-variable] 53 | int ind = 1, last = 0; | ^~~ main.cpp:26:7: warning: 'best' may be used uninitialized in this function [-Wmaybe-uninitialized] 26 | int best; | ^~~~