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Begin:
1553259600000
CCNU 2019小鲜肉并查集+最小生成树
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1554339600000
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{"id":290241,"title":"CCNU 2019小鲜肉并查集+最小生成树","type":0,"openness":2,"authStatus":0,"begin":1553259600000,"end":1554339600000,"createTime":1553242774000,"started":true,"ended":true,"managerId":0,"fav":false,"enableTimeMachine":false,"sumTime":true,"penalty":0,"partialScore":false,"customizedWeight":false,"showPeers":false,"clonedFromId":0}