View Compilation Error

0_0_21588585_4955.cpp:83:26: error: stray '#' in program
      a[i][j] = a1[i][j]-'0';
                          ^
0_0_21588585_4955.cpp:83:32: error: stray '#' in program
      a[i][j] = a1[i][j]-'0';
                                ^
0_0_21588585_4955.cpp: In function 'int main()':
0_0_21588585_4955.cpp:83:27: error: lvalue required as unary '&' operand
      a[i][j] = a1[i][j]-'0';
                           ^