koodak_XD's blog

Drop your favorite Atcoder problems!
By koodak_XD, history, 17 months ago, In English

I said all in title :)

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17 months ago, hide # |
 
Vote: I like it +22 Vote: I do not like it

cool prob

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    17 months ago, hide # ^ |
     
    Vote: I like it +6 Vote: I do not like it

    very nice problem! none of the individual observations were too hard, so it was good for a not particularly skilled person like myself with ample thinking time :p

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17 months ago, hide # |
 
Vote: I like it 0 Vote: I do not like it

abc346f

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17 months ago, hide # |
 
Vote: I like it +3 Vote: I do not like it

ABC395D probably, because the 3 mappings it constructed is quite subtle and requires more logical reasoning than an average 350-point problem.

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17 months ago, hide # |
 
Vote: I like it 0 Vote: I do not like it

probably this one, because i solved it with hashing, and that's pretty cool

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17 months ago, hide # |
 
Vote: I like it +5 Vote: I do not like it

ARC110E,AGC021E,ARC156F and AGC059F. They are absolutely beautiful problems.

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17 months ago, hide # |
 
Vote: I like it 0 Vote: I do not like it

This: ABC405_F

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17 months ago, hide # |
 
Vote: I like it 0 Vote: I do not like it

By the way, there were some cool problems where solution used maximum flow optimizations and was linear or n log n at the end but I lost these problems. Does someone remember them?

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