Problem3489--【Div3】atcoder428b-Most Frequent Substrings

3489: 【Div3】atcoder428b-Most Frequent Substrings

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 2Submit Num: 3Statistics

Description



Sample Input Copy 

9 3
ovowowovo

Sample Output Copy 

2
ovo owo

Source/Category

Div3 字符串 标记 排序 
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