View Compilation Error

0_0_21597503_27829.cpp:19:20: error: stray '#' in program
     ta=mark[x][y]-'A';
                    ^
0_0_21597503_27829.cpp:19:26: error: stray '#' in program
     ta=mark[x][y]-'A';
                          ^
0_0_21597503_27829.cpp:20:22: error: stray '#' in program
     tb=mark[fx][fy]-'A';
                      ^
0_0_21597503_27829.cpp:20:28: error: stray '#' in program
     tb=mark[fx][fy]-'A';
                            ^
0_0_21597503_27829.cpp: In function 'int check(int, int, int, int, int)':
0_0_21597503_27829.cpp:19:21: error: lvalue required as unary '&' operand
     ta=mark[x][y]-'A';
                     ^
0_0_21597503_27829.cpp:19:24: error: 'A' was not declared in this scope
     ta=mark[x][y]-'A';
                        ^
0_0_21597503_27829.cpp:20:23: error: lvalue required as unary '&' operand
     tb=mark[fx][fy]-'A';
                       ^