Targets on a Line 2 - Brainteaser
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Targets on a Line 2
Probability
Hard
Reported at: 2 firmsDE Shaw · Two Sigma
xxxxx xxx xxxxxx xxxxxxx, \(x\) xxx \(x\), xxxx xxxx x xxxxxx \(\xxxxxxxxxx \xx x\), xxxxxx xx xx xxxxxxxxxx xxxx xxxx. xxx xxxxxxx xxx xxxxxxxx xx \(x_x = -x\) xxx \(x_x = x\), xxxxxxxx xxx xxxxxxxxx \([-x-\xxxxxxxxxx, -x+\xxxxxxxxxx]\) xxx \([x-\xxxxxxxxxx, x+\xxxxxxxxxx]\) xxxxxxxxxxxx.
xxx xxxx xxx xxxx xx xxxxx xx xxx xxxx, xxxxxx xx xxxxxxxx xxxx xxxxxxxxxxx xx xxxxxxx x xxxxxx. xxx xxxx'x xxxxxxx xxxxxxxx xxxxxxx x xxxxxx xxxxxxxxxxxx \(x(\xx, x)\), xxxxxxxx xx \(\xx\). xxxx xxxxx xx \(\xx\) xxxxxxxxx xxxx xxxxxxx xx xxxxxxx xxxxxx xxxxxx?
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