Asked at Balyasny Asset Management
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.
x xxxxxxxx xxxxx xxxxxxxx xxxxxx xxxxxxxxxx xxx xxxx xx xxx xxxx: xxxxxx xxx x xxxxxxx xxxxxxxxx xx x xxxxxx xxxxxx. xxxx xxxxxxx xxxxx xxx xxx xxxxx xxxx xxxxxxx, xxxxx xx xxx xxxxxxxxxx xxx xxxx. xxx xxxx xxxxx x xxxxxxxxxx, xxx xxx xxxxx xxx xx xx xxx xx xxxx, xxxxxxx "x xxxxxxxx" xxx xxxx xxx xxxx xxxx xxx xxxxxxx xxxxx, xxx xxx xxxxxxx xxx xx xxxxx xxx xxx xxxxxx xxx xxxx xxxxx. x xxxx xxxxxx xxxxx xxxxxxxxx xxxx: xxx xxxxxx xx xxx xxxx xxxxxxxx, xxx xxx xxxxxxx xxxx, xxx xxx xxxxxxxx xxx xxxxxx.
xxx xxxxxxxx xxx xxxxxxxx, xxx xxxxx xxxxxxxx xxxxxxx xx xxxx xxxxxxxxx, xxxx xxx xxx xxxxxx: xxx xxxxxxx xxxx xxxx xxx xxxxxxx xxxx. xxxx xxxxxxx xxxx xxx xxx x xxxxxxx xxxxxxxx, xxxx xxxxx xxxxx xxx xxxxxxx.
xxxxxxxxx x_xxxxxxx_xxxxxxxxx(xxxxxx, x), xxxxx xxxxxx xx x xxxx xx
xxxxxxx xxxxxx xx xxxxx. xxxxx xxxxxx xx xxxxxx; xxxxx xx xxx xxxxxx.
xx xxxxxxx xxxxxx xx x xxxxxxx-xxxx xxxxx ( x ): x xxxxx xxxx xx x
xxxxxx xxxxxxx xx xxxxx xxxxx xxxxxx xx. xxx xxxxx xxxxx xxxxxx xx x xxxxxxx
xxxx. xxx xxxxxxx xxxx xxxxx xxx xxxxx xxxx xxxxxx xxx xxxx xxxxxxx xxxx, xx
xx xxx xxx xx xxx xxxxxx. xxx xxxxxx ( x ) xx xxx xxxxx xx xxx xxxxxxx
xxxxx xxxxxx xxx xxxxxxx, xxx xxxxx xxxx xxxxx xx x xxx, xxx xxx xxxxx xx
xxxxxx[x] - xxxxxx[x]. xx xxxxxxx xxxx xxxxx x xx xxx x xxxxxxxx.
xxxxxx xxx x xxxxxxx xxxxxxxx xx (xxxxx, x, x) xxxxxx, xxxxxx xx xxxxx
xxxxxxxxxx, xxxx xx x xxxxxxxxx. xxxxxx xxxxx xxxxxxx xxxx xxxxx xxxx x
xxxxx, xxx xx xxxxx xxxx xxxx x <= x xx xxxxx xxx xxxxx xxxx xxx xxxxxx.
x_xxxxxxx_xxxxxxxxx([xx, x, x, xx, x, x, xx, xx, xx], x)
# [(x, x, x), (x, x, x)]
x_xxxxxxx_xxxxxxxxx([x, x, x, x, x], xx)
# [(x, x, x), (x, x, x)]
xxx xxxxx xxxxxx xxx xxxxx xxxxxxxx: xxxx xxx xxxx xx xx xx xxxxx x xxxx xx x (xxxxx x), xxxx xx xx xxxxx x xxxx xx x (xxxxx x), xxx xxxx xx xx xxxxx x xxxx xx xx (xxxxx x). xxx xxx xxxxxxx xxx xxxxxxxx, xxx xxx xxx xx xxxxx x xxxxx xx xx xxxxx x xxxxx. xxx xxxxxx xxxxxx xxx xxxx xxx xxxxxxxx, xx xxxx xxxx xxxx.
x <= xxx(xxxxxx) <= xx^x, xxxxxx xxx xxxxxxxx.x xx xx xxxxxxx xxx xxx xx x xx xxxxxxxx.This problem is only available to subscribers.