Compilare: user.cpp: In function ‘int main()’: user.cpp:18:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x > V.back() && V.size() + n - i >= m){ ^ user.cpp:19:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(x > V.back() && V.size() + n - i >= m && V.size() != 0){ ^ user.cpp:11:13: warning: unused variable ‘j’ [-Wunused-variable] int n,m,j; ^