Compilare: main.cpp: In function 'int main()': main.cpp:23:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(nums.size() > k){ ~~~~~~~~~~~~^~~ main.cpp:25:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < nums.size() - 1; ++i){ ~~^~~~~~~~~~~~~~~~~ main.cpp:30:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < nums.size() - 1; i++){ ~~^~~~~~~~~~~~~~~~~