距离：孩子还小，离家近是核心指标，接送方便，也能让孩子多睡一会儿。所以方圆一公里范围成了主要选择点。
To find these crucial border points, we employed a clever technique based on the Ford-Fulkerson algorithm. By simulating "flooding" roads with traffic from random start/end points, we could identify the natural bottlenecks – the "minimum cut" in graph theory terms. These bottlenecks became our border points.。业内人士推荐heLLoword翻译官方下载作为进阶阅读
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