View Compilation Error

0_0_28860588_1768.cpp:3:2: error: stray '#' in program
  //(x0,y0), (x1,y1), (x2, y2)是逆时针返回值为正，顺时针返回值为负
  ^
0_0_28860588_1768.cpp:5:2: error: stray '#' in program
  double area(double x0, double y0, double x1,double y1, double x2,double y2){
  ^
0_0_28860588_1768.cpp:3:3: error: expected unqualified-id before numeric constant
  //(x0,y0), (x1,y1), (x2, y2)是逆时针返回值为正，顺时针返回值为负
   ^
0_0_28860588_1768.cpp:3:3: error: expected constructor, destructor, or type conversion before numeric constant
0_0_28860588_1768.cpp:5:3: error: expected unqualified-id before numeric constant
  double area(double x0, double y0, double x1,double y1, double x2,double y2){
   ^
0_0_28860588_1768.cpp:5:3: error: expected constructor, destructor, or type conversion before numeric constant