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流浪地球·粉笔大作战
Tags:
Time Limit:
1 s
Memory Limit:
128 MB
Submission:
275
AC:
96
Score:
97.16
Submit
Codes
Description
upload/2574.pdf
Hint
每个粉笔盒里的粉笔初始数量都>=1,且小于1e9
Author
CHU, Zhenzhen
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Codes