2016–2017 Northeastern European Regional Contest (NEERC 2016)
Problem A
Solved by ultmaster. 01:55 (+2)
Problem E
Solved by kblack. 02:18 (+)
Problem F
Solved by kblack. 01:09 (+)
Problem G
Upsolved by zerol.
Problem H
Solved by ultmaster. 00:56 (+)
Problem J
Solved by zerol. 03:23 (+3)
题意：模拟一个抽积木游戏。倒塌的条件是某一层以上的重心落在了这一层的最外侧木块之外。
题解：由于数据范围，这题相当暴力。维护每一层以上的重心和每一层的最外侧木块和所有木块有没有被取走。