Identifies top three interests based on metrics like time on page, recency, and frequency of each contact
int pivot = arr[low]; // 基准值
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"He goes: 'Bricks are heavy.' And he said: 'So heavy bricks don't go very far.'"
文 | 牛刀财经NiuDaoCJ，作者丨万文广
Waking up with Dreamie