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Easy In a array A of size 2N, there are N+1 unique elements, and exactly one of these elements is repeated N times. Return the element repeated N time 阅读全文
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Easy There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0) aft 阅读全文
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在github上下载了人脸识别算法face_recognition的源码，但在win10上运行有问题，通过查询资料，终于成功了。下面是在win10系统中对face_recognition的下载和配置步骤的总结。 参考：https://github.com/ageitgey/face_recognit 阅读全文