Compilare: user.cpp: In function ‘int main()’: user.cpp:62:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[i].size();j++) ^ user.cpp:64:59: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(v[i][j]>v[poz][k] && k!=v[poz].size()) ^ user.cpp:83:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[poz].size();i++) ^ user.cpp:86:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[poz].size();i++) ^