Competitive Programming (2018): Problem Set 1

#	标题	已解出
A	Easy Guarding the Farm dfs bfs	x 15
B	Medium A Knight's Journey dfs	x 10
C	Easy Coins (I) DP	x 18
D	Easy Coins (II) DP	x 15
E	Easy Coins (III) DP	x 15
F	Super 子集和问题 DP	x 9
G	Medium 奇异收缩的剪影 DP	x 10
H	Medium 最长上升子序列 (LIS) DP	x 23