Asked at D.E. Shaw, Headlands Technologies
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 xxxxxxxxx_xx(xxxx, x_xxxx, xxxx). xx xxxxxxx x xxxxxxxxx
xxxxxxxxxx xxxxxxxx xxx xxx xxxx xx x xxxxxx.
xxxx: x xxx-xxxxx xxxx xx xxxxxx.x_xxxx: xxx xxxxxx xx xxxxxxxxx xxxxxxxxx.xxxx: xxx xxx xxxx.xxxxxxx x xx% xxxxxxxxxx xxxxxxxxx xxxxxxxxxx xxxxxxxx xxx xxx xxxx:
xxxxxxxx xxx xxxx xxxx xxxxxxxxxxx x_xxxx xxxxx, xxxxxxx xxxx xxxxxxxx'x
xxxx, xxx xxxx xxx x.xxx xxx xx.xxx xxxxxxxxxxx xx xxxxx xxxxx. xxxxxx
(xx, xx) xxxx xxxx xxxx xxxxxxx xx x xxxxxxxx.
xx xxxx xxxx xxxxxxxx xx xxxxxxxxxxxx, xxxxxx xxxx xxxxx xxxxxxxxx: xxxxxx
xxx xxxxxxxxx xxxx xxxxx.xxxxxx.xxxxxxx_xxx(xxxx), xxxx xxxxx xxxxxxxx
xxxxx xx xxx xxxx xx xxx.xxxxxxxx(x, x, xxxx=(x_xxxx, x)) xxxxx x xx
xxx xxxxxx xxxx, xxxxx xxx xxxx xxxx xxxx xxxxxx, xxxx xxx xxxxx, xxx xxx
xxxxx.xxxxxxxxxx(xxxxx, [x.x, xx.x]) xxxx xxx xxxxxxx xxxxxxxxxxxxx.
xxxxxxxxx_xx([x, x, x, x, x, x, x, x, x, xx], xxxx, xx)
# (x.x, x.x)
xxxxxxxxx_xx([x.x] * x, xxx, x)
# (x.x, x.x)
x xxxxxxxx xxxxxx xxx x xxxx-xxxxx xxxxxxxx, xxxxxxxx xxx xxxxxxxxxx xxxx. xxx xxxxxx xxxx xxxxx xxxx xxxx x xxxxxx xxxxxxx xxxxxxx, xxxxx xxx xxxxxxxx xxx xxxxxxxxx xxxxxxxx xx xxxxx xxxxxxx xx.
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