answer.code:80:14: error: redefinition of ‘const double pi’
   80 | const double pi=acos(-1);
      |              ^~
answer.code:3:14: note: ‘const double pi’ previously defined here
    3 | const double pi=acos(-1);
      |              ^~
answer.code:81:5: error: redefinition of ‘int n’
   81 | int n,X0,Y0,d,t;
      |     ^
answer.code:4:5: note: ‘int n’ previously declared here
    4 | int n,X0,Y0,d,t;
      |     ^
answer.code:81:7: error: redefinition of ‘int X0’
   81 | int n,X0,Y0,d,t;
      |       ^~
answer.code:4:7: note: ‘int X0’ previously declared here
    4 | int n,X0,Y0,d,t;
      |       ^~
answer.code:81:10: error: redefinition of ‘int Y0’
   81 | int n,X0,Y0,d,t;
      |          ^~
answer.code:4:10: note: ‘int Y0’ previously declared here
    4 | int n,X0,Y0,d,t;
      |          ^~
answer.code:81:13: error: redefinition of ‘int d’
   81 | int n,X0,Y0,d,t;
      |             ^
answer.code:4:13: note: ‘int d’ previously declared here
    4 | int n,X0,Y0,d,t;
      |             ^
answer.code:81:15: error: redefinition of ‘int t’
   81 | int n,X0,Y0,d,t;
      |               ^
answer.code:4:15: note: ‘int t’ previously declared here
    4 | int n,X0,Y0,d,t;
      |               ^
answer.code:82:8: error: redefinition of ‘struct point’
   82 | struct point{
      |        ^~~~~
answer.code:5:8: note: previous definition of ‘struct point’
    5 | struct point{
      |        ^~~~~
answer.code:91:2: error: conflicting declaration ‘int A [105]’
   91 | }A[105];
      |  ^
answer.code:14:2: note: previous declaration as ‘point A [105]’
   14 | }A[105];
      |  ^
answer.code:92:15: error: redefinition of ‘double cross(const point&, const point&)’
   92 | inline double cross(const point&a,const point&b){
      |               ^~~~~
answer.code:15:15: note: ‘double cross(const point&, const point&)’ previously defined here
   15 | inline double cross(const point&a,const point&b){
      |               ^~~~~
answer.code:95:15: error: redefinition of ‘double dot(const point&, const point&)’
   95 | inline double dot(const point&a,const point&b){
      |               ^~~
answer.code:18:15: note: ‘double dot(const point&, const point&)’ previously defined here
   18 | inline double dot(const point&a,const point&b){
      |               ^~~
answer.code:98:6: error: redefinition of ‘bool check(double)’
   98 | bool check(double deg){
      |      ^~~~~
answer.code:21:6: note: ‘bool check(double)’ previously defined here
   21 | bool check(double deg){
      |      ^~~~~
answer.code:125:15: error: redefinition of ‘double getCAP(double, double, double, double)’
  125 | inline double getCAP(double l,double r,double L,double R){
      |               ^~~~~~
answer.code:45:15: note: ‘double getCAP(double, double, double, double)’ previously defined here
   45 | inline double getCAP(double l,double r,double L,double R){
      |               ^~~~~~
answer.code:128:5: error: redefinition of ‘int main()’
  128 | int main(){
      |     ^~~~
answer.code:48:5: note: ‘int main()’ previously defined here
   48 | int main(){
      |     ^~~~