CF1120D Power Tree 题解

luogu1854 花店橱窗布置 题解

CF449B Jzzhu and Cities 题解

luogu3648 序列分割 题解

luogu1291 百事世界杯之旅 题解

luogu3489 WIE-Hexer 题解

luogu2403 所驼门王的宝藏 题解

luogu4766 Outer space invaders 题解

UVA12170 Easy Climb 题解

UVA1336 修缮长城 题解