曹文信息在线OJ Home ProblemSet Source/Category Contest Status Ranklist F.A.Qs
Login Register

2521: 取石子游戏

Memory Limit：256 MB Time Limit：2.000 S
Judge Style：Text Compare Creator：
Submit：14 Solved：2
SubmitSubmit RecordStatisticsWeb BoardShowOff!

Description

Sample Input Copy 

2
1 1
1
2 30
197943
249832

Sample Output Copy 

Preempt.
Leapfrog.

HINT

Source/Category