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Фото: Ronen Zvulun / Reuters
，推荐阅读新收录的资料获取更多信息
Tom describes starting out as a successful young analyst with a three-year investment horizon—until one quarter of losses changed everything. His boss shut the door and said they now needed “shorter-term opportunities to make money every month or we may not survive,” which Tom now sees as the moment the scoreboard reset from three years to 30 days. “It was a very ambiguous message,” he says, adding that he never asked, “Are we talking about what everybody else is doing or are we going to stay within the legal or ethical guardrail?” That combination of performance pressure and fuzzy instructions created an environment for Tom to begin thinking outside the boundaries of what he knew was right.，推荐阅读新收录的资料获取更多信息
The dashed circle shows the current best distance. As the algorithm finds closer points, the circle shrinks, which causes more subtrees to fail the "could contain a closer point?" test and get pruned. The search usually gets cheaper as it progresses.。新收录的资料是该领域的重要参考