I was attempting a question which was unrated and it had no solution, While I entered the first answer it came out to be incorrect, Then by mistake I clicked on 'no soultion' button the page where solution are shown was taken to, Though it did not had any solution still the correct answer was shown on the top, On the left hand side I clicked the back button and then as I still had attempts left I entered the answer and It said "CORRECT".

I found this strange and searched for another question which did not have any solution and repeated the process, I am adding the steps as I did

I entered a random answer, (Note that the problem has no solution yet it the question does not let me click on the No solution button,) and it came incorrect

When I entered one wrong answer it let me click on the No solution button See that the correct option is written on the top.I came back and entered the correct answer

And it says "CORRECT ANSWER"This is what I found strange, This bug works for problem which has no solution yet, I will request someone to look into it.

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TopNewesti like how you just gave out the answer to my question

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Sorry @Charlton Teo, One of the question had to be sacrificed, I didn't intentionally choose yours, It was the first unrated one that appeared to me. Sorry

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nah I dont really mind XD but on topic: This would be easy to farm points

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Hey everyone, I believe this is related to some changes we pushed yesterday. We'll look into it today.

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Thank you for reporting this bug. We will fix it.

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@Calvin Lin , @Peter Taylor ,@Silas Hundt ,@Pi Han Goh ,@David Mattingly ,@Finn Hulse ,@Mursalin Habib ,@Sharky Kesa ,@Daniel Liu

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Not good. People can cheat from this. Does this only happen to unrated or is it for all problems?

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This is a very serious bug, definitely.

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I think it is for all question(even the rated ones) which do not have a solution, But I tried on unrated ones because I did not want to loose rating by guessing first answer.

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