View Compilation Error

0_0_20979723_881.cpp:28:15: error: stray '#' in program
 void BFS(int ×){
               ^
0_0_20979723_881.cpp:28:16: error: expected ',' or '...' before numeric constant
 void BFS(int ×){
                ^
0_0_20979723_881.cpp:28:19: error: expected ')' before ';' token
 void BFS(int ×){
                   ^
0_0_20979723_881.cpp:28:20: error: expected unqualified-id before ')' token
 void BFS(int ×){
                    ^