Yes, the question is about four years old! The only difference is the storyline. What was the author thinking? An adaptation or a remake? He has written SAKTAN too which without much surprise has a close resemblance to another old question (with a slight variance).
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Bro please don’t report it, mushkil se solve hua hai
Easy problems are less likely to be deleted and more likely to be similar.
It’s okay if it’s not exactly same problem. Problem idea can be similar for cakewalk or beginners problem imo.
Lets find a similar problem to all the problems of the contest. Report’em all. Everybody Happy.
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But where is it written in rules? Is it rule that easy problems are allowed to be same and hard problems not?
I won’t, it’s not the same question (and easy problems are likely to be similar as @l_returns pointed out) 
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It’s not written anywhere. It’s my personal opinion. You can complain to cc admin if you think it’s similar.
Yes, check my profile. Find and report those problems I haven’t solved yet.
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why you put 20 char at last of your comment above?
HACKEREATH CODE CLASH January 16
THIS IS THE PROBLEM WHERE IT WAS COPIED FROM GOOGLE CAN DETECT ANYTHING
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The forums have a minimum post length of 20 characters, so if someone has a very short post to make, they’ll have to fill up the remaining 20 characters - by convention, people seem to do this by appending some short phrase referencing “20 characters”.
I usually add “20 characters blah-de-blah” 
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Thankyou. Will use Google from now. Who knows when google(luck) will meet opportunity
.
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Hey guys, I am interested in solving last 3-questions of Div-1, can somebody confirm will they get deleted(maybe they are copied), as I don’t have too much free energy and time. Thanks
@ssrivastava990
@hitch_hiker42
@ssjgz
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Then ask to some great coders , " galti ho jaati h na " may be possible many mistakes may happened in this long , #NO_OFFENCE
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I’m 10 seconds away from solving all three, so yes, they will be deleted in 10 … 9 … 8 …
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ha ha LOL… 
Solve ASAP u never know when the q. will deleted with an apology 
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My biggest fear:- October Long is unrated.
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I also thought of the same solution. I wonder if there exists some other solution too. 
Couldn’t come up with any other till now.
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Maybe there might be a 1-line formula as well…
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I just checked editorial of hackerearth from where this problem was taken. There too, for k = 7 they used same matrix exponentiation method, So this was the expected solution, ig.
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