FilesExpand file tree

 master

/

414_Third_Maximum_Number.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

16 lines (16 loc) · 467 Bytes

 master

/

414_Third_Maximum_Number.java

Copy path

Top

File metadata and controls

• Code
• Blame

16 lines (16 loc) · 467 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

public class Solution {

public int thirdMax(int[] nums) {

PriorityQueue<Integer> pq = new PriorityQueue<>(3);

Set<Integer> set = new HashSet<>();

for (int i : nums) {

if (set.contains(i)) continue;

pq.offer(i);

set.add(i);

if (pq.size() > 3) set.remove(pq.poll());

}

while (pq.size() < 3 && pq.size() > 1) {

pq.poll();

}

return pq.peek();

}

}