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# Author Problem Lang Verdict Time Memory Sent Judged  
127995508 Practice:
eugalt
1567B - 35 Python 3 Accepted 639 ms 9268 KB 2021-09-05 23:27:27 2021-09-05 23:27:27
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for s in[*open(0)][1:]:
 a,b=map(int,s.split());r=a%4>1;i=a-1;j=1
 while k:=i>>j:r|=(k&~i&1)<<j;j+=1
 print(a+(r!=b)+(r^b==a))
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Time: ? ms, memory: ? KB
Verdict: ?
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