Compilare: user.cpp: In function ‘int main()’: user.cpp:28:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<elemente.size();j++) ^ user.cpp:35:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<a[actual].size()&&a[actual][k]<=b;k++) inceput=k; ^ user.cpp:44:65: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(inceput<=sfarsit&&inceput<a[actual].size()&&sfarsit>=0) ^