Compilare: user.cpp: In function ‘void torol(int)’: user.cpp:31:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p*2<x.size() && x[p*2]<x[poz]) poz=p*2; ^ user.cpp:32:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p*2+1<x.size() && x[p*2+1]<x[poz]) poz=p*2+1; ^ user.cpp: In function ‘int main()’: user.cpp:64:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=x.size()-1;j++) ^