My solution runs perfectly, used XOR property. Still I get 248/275 points even af


#1

My solution runs perfectly, used XOR property. Still I get 248/275 points even after solving the problem under 2 minutes.
Some issue is there. I noticed similar behaviour earlier as well.


#2

Two possibility cases,
1> Either you have submitted 1/2 times wring answer before correct submission.
2> The time spent for the submission may be taken time.