Compilare: main.cpp: In function 'int findMin(std::vector<int>)': main.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); i++) ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:39:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ans.size() == n - k) ~~~~~~~~~~~^~~~~~~~ main.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(ans.size() > n - k) ~~~~~~~~~~~^~~~~~~ main.cpp:44:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ans.size() != n - k) ~~~~~~~~~~~^~~~~~~~