技术核心：小数据量样本、高数据使用效率
tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
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void countingSortSimple(int arr[], int n, int max) {
The average 30-year fixed mortgage rate is around 5.98% to 5.99% this week, Freddie Mac said Thursday. The percentage is down sharply from 6.8% to 6.9% a year ago and from peaks near 8% in late 2023, per The Wall Street Journal. On a typical loan, that rate drop can cut monthly payments by hundreds of dollars for home buyers.
Никита Абрамов (Редактор отдела «Россия»)