Problem2632--蓝桥杯选拔赛练习 - P4 病毒传播

2632: 蓝桥杯选拔赛练习 - P4 病毒传播

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 26Submit Num: 36Statistics

Description



Sample Input Copy 

10

Sample Output Copy 

10

Source/Category

蓝桥杯 
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