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AtCoder Regular Contest 154 D A + B > C ?
[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc154_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc154/tasks/arc154_d "AtCoder 传送门") **看到这种题，应 ......
AtCoder Regular Contest 154 C Roller
[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc154_c "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc154/tasks/arc154_c "AtCoder 传送门") 被这题干爆了![] ......
nginx: [emerg] host not found in upstream "mirrors.estc.edu.cn" in /usr/local/nginx/conf/nginx.conf:154
配置： server { listen 7777; server_name localhost; location / { proxy_pass https://mirrors.estc.edu.cn/; } } 修改了dns和host，都不能解决。 但是直接访问 http://mirrors.es ......
AtCoder Beginner Contest 154
AtCoder Beginner Contest 154 https://atcoder.jp/contests/abc154 今天也比较简单。 E - Almost Everywhere Zero 贪心或者数位dp。 （其实我这个贪心应该就是在模拟数位dp） 贪心 #include <bits/s ......