Compilare: main.cpp: In function 'int main()': main.cpp:18:30: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 18 | while(n-k-nr.size()-1>=n-i-1 && !nr.empty() && nr.back()<cif) | ~~~~~~~~~~~~~~~^~~~~~~