View Compilation Error

0_0_38524317_6869.cpp: In function 'double sove(int, int)':
0_0_38524317_6869.cpp:29:21: error: 'sort' was not declared in this scope
  sort(an,an+ans,cmp2);
                     ^
0_0_38524317_6869.cpp: In function 'int main()':
0_0_38524317_6869.cpp:45:12: error: invalid operands of types 'point [100005] {aka node [100005]}' and 'double' to binary 'operator+'
   sort(a,a+n,cmp1);
            ^
0_0_38524317_6869.cpp:45:18: error: 'sort' was not declared in this scope
   sort(a,a+n,cmp1);
                  ^