Codeforces Round 909 (Div. 3) A-G 讲解
比赛地址:https://codeforces.com/contest/1899
比赛时间:November 17, 2023 at 22:35UTC+8.
A Game with Integers :水题
B 250 Thousand Tons of TNT:暴力
C Yarik and Array:最大子段和
D Yarik and Musical Notes:map
E Queue Sort:思维题
F Alex's whims :构造
G Unusual Entertainment : 二维数点 主席树/树状数组
讲错难免,欢迎指出!!!