View Compilation Error

0_0_37521034_5052.cpp: In function 'void bfs()':
0_0_37521034_5052.cpp:61:17: error: expected '}' before 'else'
                 else
                 ^
0_0_37521034_5052.cpp:63:91: error: 'y' was not declared in this scope
                     if((!(u.step&1)&&matrix[xx][yy]=='-'||u.step&1&&matrix[xx][yy]=='|')&&y>=0&&y<m&&matrix[x][y]!='*'&&!vis[x][y])
                                                                                           ^
0_0_37521034_5052.cpp:63:109: error: 'x' was not declared in this scope
                     if((!(u.step&1)&&matrix[xx][yy]=='-'||u.step&1&&matrix[xx][yy]=='|')&&y>=0&&y<m&&matrix[x][y]!='*'&&!vis[x][y])
                                                                                                             ^
0_0_37521034_5052.cpp: At global scope:
0_0_37521034_5052.cpp:80:1: error: expected declaration before '}' token
 }
 ^