Asked at XTX Markets, Squarepoint Capital
Theory: Quant Python That Survives ReviewRead the problem, hints and solution here. The editor needs a bigger screen: open this page on a laptop to write and run your code.
xxxxxxxxx xxxxxx_xxxxxx(xxxxxx, xxxxxx). xx xxxxxxxx x xxxxxxx x-xxxxx
xxxxxxxx xxxxxx xxxx x xxxxxx xx xxxxxxx xxxxx xxxxx, xxxxxxxx xxxxxx xxxx
xxx xxx xxxxxxx xxxxx xxxxxx xxxxx.
xxx xxxxxxx xxxxx xx xxxxxx xxxxxxx xxx xxxxxx xxxx xxxxxxxx xx. xxxxx xxx
xxxxxxx xxxxx xxxxxx xxx xxx xxxxxxxx xx x xxxxxxxxx xxx. xxx xxxx xxxxx
x xxxx xxxxxx xx xxx(xxxxxx) - x:
xxxxxx xxxxxx xxxxxxxx xxxxxx x:
xxxxxx[x - xxxxxx : x] (xxx xxxxxxx xxxxx xx xxxxxxxx);xxxx xx xxxxx xxxxxxxxxx xxxx, xxx xx xxxxx xxxxxxxxxx xxxxxxxx
xxxxxxxxx, xx = xxxx(xxx((x - xxxx)**x) / xxxxxx);xx xx x (x xxxx xxxxxx), xxx xxxxxx xx x;x = (xxxxxx[x] - xxxx) / xx, xxx xxx xxxxxx xx x xx
x > x, -x xx x < -x, xxxx x.xxxxxx xxx xxxx xx (x, xxxxxx) xxxxxx, xx xxxxx xxxxx, xxxx xxxxx xxx
xxxxxxx.
xxxxxx_xxxxxx([x, x, x, x, xxx], x)
# [(x, x)]
xxxxxx_xxxxxx([xxx, xxx, xx, xxx, xxx, xx, xxx], x)
# [(x, x), (x, -x), (x, x)]
x <= xxxxxx < xxx(xxxxxx) <= x * xx^x.xxxxxx = xxxx:
xxxxxxxxxxx xxxx xxxxxx'x xxxxxxxxxx xxxx xxxxxxx xx
(x(x xxxx x) = xx^x) xxxxxxxxxx xxx xxxx xxx xxxxxx. xxxxxxx
xxxxxx xxxx xx (x) xxx (x^x) (xx xxxxx xxxxxx, xxxxx xx
xxxxxxxxx) xxxx xxxxx xxxxxx'x xxxx xxx xxxxxxxx xx x(x) xxxx.This problem is only available to subscribers.