摘要:
我对二分的理解: "https://www.cnblogs.com/AKMer/p/9737477.html" 题目传送门: "https://www.lydsy.com/JudgeOnline/problem.php?id=5281" 题目要求我们最大化$\frac{\sum{t_i}}{\sum 阅读全文
摘要:
我对二分的理解: "https://www.cnblogs.com/AKMer/p/9737477.html" 题目传送门: "https://www.lydsy.com/JudgeOnline/problem.php?id=1720" 坐标值域很大,但是真正涉及的只有$500$个,我们可以离散化做 阅读全文