摘要:
```java class Solution { public boolean isLongPressedName(String name, String typed) { int i = 0, j = 0; while (i 阅读全文
摘要:
```java class Solution { public int numUniqueEmails(String[] emails) { Set s = new HashSet(); for (String e: emails) { int idx = e.indexOf("@"); String host... 阅读全文