View Compilation Error

0_0_24081189_25519.cpp:2:5: error: 'nbsp' declared as reference but not initialized
 int main() {
     ^
0_0_24081189_25519.cpp:2:17: error: expected constructor, destructor, or type conversion before 'nbsp'
 int main() {
                 ^
0_0_24081189_25519.cpp:2:22: error: expected unqualified-id before '{' token
 int main() {
                      ^