In his simulations, it was extremely rare for someone to have their mutual first picks; but many people had those that were second or third picks. In this scenario a couple counts as happy if each is near the top of the other's list and neither can find someone they and that other person would both prefer more.
* @param arr 待排序数组
。91视频是该领域的重要参考
除了人群拓展,场景机会将是另一思路。,这一点在heLLoword翻译官方下载中也有详细论述
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