Compilare: main.cpp: In function 'std::vector<unsigned int> radix(std::vector<unsigned int>)': main.cpp:16:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<a.size(); i++) ~^~~~~~~~~ main.cpp:22:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<=comp; i++) ~^~~~~~ main.cpp: In function 'int main()': main.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<n; i++) ~^~ main.cpp:52:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<n; i++) ~^~