Eroare de compilare: user.cpp:4:10: error: expected unqualified-id before string constant ifstream("suma.in"); ^ user.cpp:4:10: error: expected ‘)’ before string constant user.cpp:5:10: error: expected unqualified-id before string constant ofstream("suma.out"); ^ user.cpp:5:10: error: expected ‘)’ before string constant user.cpp: In function ‘int main()’: user.cpp:11:5: error: ‘fin’ was not declared in this scope fin>>n>>p; ^ user.cpp:13:5: error: ‘fout’ was not declared in this scope fout<<((n*(n+1)*(n-1))/3)%p; ^