摘要：
# [SMU Summer 2023 Contest Round 5](https://codeforces.com/group/L9GOcnr1dm/contest/459203) ## [A. Points in Segments](https://codeforces.com/group/L9 阅读全文
摘要：
# 时间复杂度 $\mathcal{O}(1) < \mathcal{O}(log_2{N}) < \mathcal{O}(Nlog_2{N})<\mathcal{O}(N^2) < \mathcal{O}(N^3)<\mathcal{O}(2^N)<\mathcal{O}(N!)<\mathcal 阅读全文