2019 Multi-University Training Contest 2

A. Another Chess Problem

B. Beauty Of Unimodal Sequence

C. Coefficient

D. Double Tree

E. Everything Is Generated In Equal Probability

F. Fantastic Magic Cube

G. Game

H. Harmonious Army

I. I Love Palindrome String

J. Just Skip The Problem

K. Keen On Everything But Triangle

L. Longest Subarray

原文：https://www.cnblogs.com/FST-stay-night/p/11240176.html