View Compilation Error

0_0_21597722_11006.cpp:23:10: error: stray '#' in program
   if(c=='-') f = -1;
          ^
0_0_21597722_11006.cpp:23:16: error: stray '#' in program
   if(c=='-') f = -1;
                ^
0_0_21597722_11006.cpp:142:22: error: stray '#' in program
      mp[i][j] = ch -'0';
                      ^
0_0_21597722_11006.cpp:142:28: error: stray '#' in program
      mp[i][j] = ch -'0';
                            ^
0_0_21597722_11006.cpp: In function 'int read()':
0_0_21597722_11006.cpp:23:11: error: lvalue required as unary '&' operand
   if(c=='-') f = -1;
           ^
0_0_21597722_11006.cpp:23:13: error: expected ')' before ';' token
   if(c=='-') f = -1;
             ^
0_0_21597722_11006.cpp:23:17: error: lvalue required as unary '&' operand
   if(c=='-') f = -1;
                 ^
0_0_21597722_11006.cpp:23:20: error: expected primary-expression before ')' token
   if(c=='-') f = -1;
                    ^
0_0_21597722_11006.cpp: In function 'int main()':
0_0_21597722_11006.cpp:142:23: error: lvalue required as unary '&' operand
      mp[i][j] = ch -'0';
                       ^