# 跃迁引擎启动

rank solved A B C D E F G H I J K
67 4 . O O Ø ! O . . . . .

Solved by Henry.

# C

Solved by Henry.

$-1,0,1$ 三个数构造。

# D

UpSolved by XLor.

# E

UnSolved by XLor.

Solved by Henry.