Compilare: user.cpp: In function ‘int main()’: user.cpp:22:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < V.size(); i++) ^ user.cpp:38:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < V.size(); j++) ^ user.cpp:49:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < S.size(); i++) ^ user.cpp:51:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < S.size(); j++) ^ user.cpp:66:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = j + 1; k < V.size(); k++) ^