摘要:
layout: post title: Codeforces Round 544(Div. 3) author: "luowentaoaa" catalog: true tags: mathjax: true codeforces 传送门 "A.Middle of the Contest" (签到) 阅读全文
摘要:
layout: post title: 牛客小白月赛12 author: "luowentaoaa" catalog: true mathjax: true tags: 线性筛 数论 树状数组 "传送门" "A华华听月月唱歌" (贪心) cpp include using namespace std 阅读全文