Asked at Two Sigma, Man AHL
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.
xxxxxxx-xxxxxxx xxxxxx xxxxxxx: xxxxx'x xx-xxx xxxxx xxx xxxxxxxx'x xxxxx xx xxxx xx xxx xxxx xxxxx xxxx, xx x,xxx xxxxx xxxxxxxxxxxx xxx xxxxx xxx xxxxxxxxxxx xx xxxxxx x xxxxxxx xxxxxxxxxxx xxxx. xxx xxxxxxxx xxxxxx xxxxxx xx xxxxxxxxx xxxx xxxxxxxxxxx'x xxxxxxxxxx, xxx xxxx xxxxxxx xxxxxxxxxx xxxx xxxxxxxxxxx.
xxxxxxxxx xxx_xxxxxxxxxx(xxxxxxx).
xxxxxxx xx x xxx-xxxxx xxxx xx (xxxxx, xxx) xxxxxxx xxxxx xxxxxxx,
xxxx xxxx xxxxxxxxx. xxxxxxx xxx xxxxxxx xxxxxxxxxxx xxx xxx xxx
xxxxxx.xxx xxxx xxxxxx ( x ), xxx ( x_x ) xx xxx xxxxxx xx xxxxxxx xxxxxxxx ( x ). xx xxxxxxxxxxx'x xxxxxxx xxxxxxxxxx xx xxx xxxx xx ( x / x_x ) xxxx xxx xxxxxxx xxx xxx xxxxxx xxxxx:
[ xxx x_x = xxxx{x}{x_x - x_x + x} xxx_{x = x_x}^{x_x} xxxx{x}{x_x} ]
xxxxxx xxx xxxx xx ( xxx x_x ) xx xxxxx xxxxx, xxxx xxxxxxx xx x xxxxxxxx.
xxx_xxxxxxxxxx([(x, x), (x, x)])
# [x.x, x.x]
xxx_xxxxxxxxxx([(x, x), (x, x), (x, x), (x, x)])
# [x.xx, x.xx, x.xx, x.xx]
xx xxx xxxxx xxxxxxx xxxx xxxxxx xxx xxx xxxxxxxx xxxxxxx (xxxxxx x) xxx xxxxx xxxxxx xxxx xxx xxxxx (xxxxxx xxx xxxx). xxxx xxxxxxxxx xxxxxxx xxx xxx xxxxxxxxxxx xxxxxxx xxxx xxxx, xxx xxxxx xxxxxxxxxx xxxx xx.
x xxxxxx xxxx xxxx xx,xxx xxxxxxx xxxxxxxx xxxxxxx xxxxxxxx xxxxxxx xxxx, xx xxxxxxx ( x/x_x ) xxxxxx xx xxxxxx xxx xxxxxx xx xxx xxxx; xxx xxx xx xxx xxxxxx xxxxxxx xx xxxx xxx xx xxxx xxx xx xxxx xxxxxxxxxx.
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