Compilare: user.cpp: In function ‘int main()’: user.cpp:36:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v.size();i++) ^ user.cpp:39:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i1=0;i1<muchii[now].size();i1++) ^ user.cpp:57:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<analyze.size();i++) ^