摘要:
layout: post title: Codeforces Round 262 (Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces 暴力 二分 传送门 "A Vasya and Socks" (签到 阅读全文
摘要:
layout: post title: Codeforces Round 546 (Div. 2) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces 贪心 数学 线段树 传送门 "A Nastya Is Readin 阅读全文