View Compilation Error

0_0_21743242_16119.cpp: In function 'LL cross(const Point&, const Point&, const Point&, const Point&)':
0_0_21743242_16119.cpp:31:42: error: a function-definition is not allowed here before '{' token
 bool cmp(const Point &a, const Point &b) { //先按象限排序，再按极角排序，再按远近排序
                                          ^
0_0_21743242_16119.cpp:41:28: error: a function-definition is not allowed here before '{' token
 bool judge(Point a,Point b){
                            ^
0_0_21743242_16119.cpp:46:12: error: a function-definition is not allowed here before '{' token
 int main() {
            ^
0_0_21743242_16119.cpp:81:1: error: expected '}' at end of input
 }
 ^