[[https://acm.dingbacode.com/contest/problems?cid=1038|比赛链接]]

====== 补题情况 =====

^  题目  ^  蒋贤蒙  ^  王赵安  ^  王智彪  ^
|  A  |  0  |  0  |  0  | 
|  C  |  0  |  0  |  0  |  
|  G  |  0  |  0  |  0  |  
|  I  |  2  |  0  |  0  |  
|  L  |  0  |  0  |  0  | 

====== 题解 =====