View Compilation Error

0_0_20978553_24607.cpp:6:40: error: stray '#' in program
         double ans = (a*b - c*c) / (a + b + 2*c);
                                        ^
0_0_20978553_24607.cpp:6:48: error: stray '#' in program
         double ans = (a*b - c*c) / (a + b + 2*c);
                                                ^
0_0_20978553_24607.cpp: In function 'int main()':
0_0_20978553_24607.cpp:6:41: error: invalid operands of types 'double' and 'int' to binary 'operator&'
         double ans = (a*b - c*c) / (a + b + 2*c);
                                         ^
0_0_20978553_24607.cpp:6:43: error: expected ')' before ';' token
         double ans = (a*b - c*c) / (a + b + 2*c);
                                           ^
0_0_20978553_24607.cpp:6:49: error: invalid operands of types 'double' and 'int' to binary 'operator&'
         double ans = (a*b - c*c) / (a + b + 2*c);
                                                 ^
0_0_20978553_24607.cpp:6:56: error: expected ';' before ')' token
         double ans = (a*b - c*c) / (a + b + 2*c);
                                                        ^