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Update: 0 <= Li <= 10^6


Time Limit: 2 Seconds
Memory Limit: 128MB
No. of ACs: 179
Your best score: 0
Source: December Course 2019 Advanced Final Contest (bensonlzl)
Editorial: 1

Subtask Score
1 7
2 9
3 19
4 23
5 11
6 31
7 0