日期: 2020/05/24
链接: https://ac.nowcoder.com/acm/contest/5207#description
做题统计:王瑞琦: 冯宇扬:1 常程:1
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题意:有N($1\le N\le20000$)只奶牛,每只奶牛有一个舒适温度区间A(i)-B(i),温度过低、温度过高、温度位于舒适区间都有不同产奶量,分别以XYZ表示,其中Y一定是最大的。每只牛的区间不同,求在某个温度下产奶量最大的值。
题解:离散化区间边界。设定增量数组,在每只牛的边界处分别给增量数组加Y-X、Z-Y。初始奶量(温度很低)为3X,温度从小到大根据增量数组变化,得到最大值。
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