Problem2991--【Div3】USACO2024Jan铜P1-多数派

2991: 【Div3】USACO2024Jan铜P1-多数派

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 3Submit Num: 8Statistics

Description



Sample Input Copy 

5
5
1 2 2 2 3
6
1 2 3 1 2 3
6
1 1 1 2 2 2
3
3 2 3
2
2 1

Sample Output Copy 

2
-1
1 2
3
-1

Source/Category

Div3 USACO 模拟 数组 
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