QTLin

- 又是学废（bushi）了的一天

> 打卡打卡

############ check in

nice

### check in

**学到不少 NICE**

【Java版】不过我可能写得有点麻烦了，都是用的笨办法操作字符串😄 ```java class Solution { List res = new ArrayList(); public List solveNQueens(int n) { ArrayList board = new ArrayList(); StringBuilder sb = new StringBuilder(); for(int i = 0; i...

# 打卡打卡

check in

二刷-2