Problem3486--GESP25SepL6-P2-货物运输

3486: GESP25SepL6-P2-货物运输

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 2Submit Num: 2Statistics

Description




Sample Input Copy 

4
1 2 6
1 3 1
3 4 5

Sample Output Copy 

18

Source/Category

GESP 图论 贪心 DFS 
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