Compilare: user.cpp: In function ‘long long int minim(int)’: user.cpp:15:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[inceput] <= st.front() && inceput < n && st.size() > 0) { ^ user.cpp: In function ‘void citire()’: user.cpp:56:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < n; i++) { ^ user.cpp: In function ‘int main()’: user.cpp:81:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < n || st.size() > 1) { ^ user.cpp: In function ‘long long int minim(int)’: user.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type] } ^