Overview:
。。最水的一套。。(但是 C 题还是要强力推荐!。。
Problem A. Unique Attack
网络流, 染色 520ms
http://acm.hust.edu.cn:8080/judge/problem/viewSource.action?id=617256
Problem B. Burning Bridges
桥
http://acm.hust.edu.cn:8080/judge/problem/viewSource.action?id=624498
Problem C. Circles
Euler characteristic, Nice
http://acm.hust.edu.cn:8080/judge/problem/viewSource.action?id=624529
http://en.wikipedia.org/wiki/Euler_characteristic
Problem D. Linear Programming Dual
模拟
http://acm.hust.edu.cn:8080/judge/problem/viewSource.action?id=624741
http://en.wikipedia.org/wiki/Linear_programming#Duality
Problem E. DVD
DP
http://acm.hust.edu.cn:8080/judge/problem/viewSource.action?id=625539
Problem F. Think Positive
单调队列。。(结论 -> 算数。。
http://acm.hust.edu.cn:8080/judge/problem/viewSource.action?id=625586
Problem G. Ranking
模拟。。
http://acm.hust.edu.cn:8080/judge/problem/viewSource.action?id=626668
Problem H. Driving Straight
bfs() + 模拟。。
(。。题目本身倒是没什么难度。。不过读入数据的地方很奇怪。。
題目が自分ではかもしれないけど。。データ読み込みの地方はおかしい
http://acm.hust.edu.cn:8080/judge/problem/viewSource.action?id=627911