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1070: 摆渡车
Time Limit:
1 Sec
Memory Limit:
128 MB
Submission:
44
AC:
19
Score:
100.00
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Codes
Description
Input
Output
Samples
input:
5 1 3 4 4 3 5
output:
0
Hint
Source
2018noip普及组
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Codes