View Compilation Error

0_0_21595402_23176.cpp:17:29: error: stray '#' in program
         now.a[i]=str[0][i]-'0';
                             ^
0_0_21595402_23176.cpp:17:35: error: stray '#' in program
         now.a[i]=str[0][i]-'0';
                                   ^
0_0_21595402_23176.cpp:18:25: error: stray '#' in program
         f[i]=str[1][i]-'0';
                         ^
0_0_21595402_23176.cpp:18:31: error: stray '#' in program
         f[i]=str[1][i]-'0';
                               ^
0_0_21595402_23176.cpp: In function 'int BFS()':
0_0_21595402_23176.cpp:17:30: error: lvalue required as unary '&' operand
         now.a[i]=str[0][i]-'0';
                              ^
0_0_21595402_23176.cpp:18:26: error: lvalue required as unary '&' operand
         f[i]=str[1][i]-'0';
                          ^