View Compilation Error

0_0_24331280_22281.cpp: In function 'void build(int, int, int)':
0_0_24331280_22281.cpp:53:107: error: 'nth_element' was not declared in this scope
     nth_element(p + L, p + mid, p + R + 1, [d](const Point &a, const Point &b) { return a.x[d] < b.x[d]; });
                                                                                                           ^