Compilare: user.cpp: In function ‘long long int minim(int)’: user.cpp:15:47: 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:56:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i++) { ^ user.cpp:66:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i++) { ^ user.cpp: In function ‘int main()’: user.cpp:86:13: 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] } ^