Compilare: main.cpp: In function 'int main()': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 23 | if (d.size() < k) | ~~~~~~~~~^~~ main.cpp:25:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for (int i = 0; i < k && i+k <= d.size(); i++){ | ~~~~^~~~~~~~~~~ main.cpp:11:21: warning: unused variable 'y' [-Wunused-variable] 11 | int n, k, a, x, y, max = 0; | ^