Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8:9: error: ‘n’ was not declared in this scope in>>n; ^ user.cpp:10:9: error: ‘x’ was not declared in this scope x[i] = i-1; ^ user.cpp:13:9: error: ‘nr’ was not declared in this scope nr += 2*xi]; ^ user.cpp:13:17: error: ‘xi’ was not declared in this scope nr += 2*xi]; ^ user.cpp:13:19: error: expected ‘;’ before ‘]’ token nr += 2*xi]; ^ user.cpp:15:13: error: ‘a’ was not declared in this scope a[j] -= a[i]; ^ user.cpp:18:10: error: ‘nr’ was not declared in this scope out<<nr; ^