2020年7月14日
Lost Cows（线段树） POJ - 2182
摘要： N (2 <= N <= 8,000) cows have unique brands in the range 1..N. In a spectacular display of poor judgment, they visited the neighborhood 'watering hole 阅读全文
posted @ 2020-07-14 19:28 夜灯长明 阅读(137) 评论(0) 推荐(0) 编辑