View Compilation Error

0_0_37839616_9399.cpp: In lambda function:
0_0_37839616_9399.cpp:162:62: error: expected '}' at end of input
     std::sort(a.begin() + 1, a.end(), [a0](Point x, Point y) { // °
                                                              ^
0_0_37839616_9399.cpp: In function 'Points get_convex_polygon(Points&)':
0_0_37839616_9399.cpp:162:62: error: expected ')' at end of input
0_0_37839616_9399.cpp:162:62: error: expected '}' at end of input