Compilare: user.cpp: In function ‘void sorteaza(std::vector<int>, int)’: user.cpp:22:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v.size(); i++) ^ user.cpp:29:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:66:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < solution.size(); i++) ^