AtCoder Beginner Contest 118 D Match Matching 完全背包
ProblemStatementFindthelargestintegerthatcanbeformedwithexactlyNNmatchsticks,underthefollowingconditions:EverydigitintheintegermustbeoneofthedigitsA1,A2,...,AM(1≤Ai≤9)A1,A2,...,AM(1≤Ai≤9).Thenumberofm