2018 ICPC Asia Qingdao (The 1st Universal Cup, Stage 9)

![image](https://img2023.cnblogs.com/blog/2794497/202305/2794497-20230522180936589-2071634768.png) # E 看完题想到二分答案直接一步步贪心，没多想直接和队友说了下，感觉贪心会有点问题，放了一会后冷静分