We have 13 cards with one letter on each side. Find the longest valid english words with these cards. 有正反面 变得复杂。有什么好方法吗?
r*g
2 楼
I am filing 130 for my wife (i am green card holder). How many i-130 i should fill out, 1 or 2? Since i am the pertitioner, information about both of us are already in form. I did not see the necessity for another form for my form. Any suggestions? thx a lot
a*a
3 楼
Trie + Backtracking
f*n
4 楼
1 I-130. You are petitioning your wife.
c*t
5 楼
permutation, 字典放trie里可以 prune
【在 j*******r 的大作中提到】 : We have 13 cards with one letter on each side. Find the longest valid : english words with these cards. : 有正反面 变得复杂。有什么好方法吗?