First Algorithm Practical Skill Test Past Questions - AtCoder PAST1 Algorithm Practical Skill Test past201912

D

  • Count first, then find out what is over- or under-counted. E

  • Have graphs with adjacency matrices. Query 3 is of the order of 10^4 at worst, but even if all of that is done 500 times, there is still plenty of room F

  • The first letter is chopped after the first even numbered capital letter, sorted and merged. G

  • How hard can it be? I was worried about it, but n=10.

    • If you do a full search of 3^10, it’s about 10^5.
    • 10^2 to calculate the score
    • I’ll make it in plenty of time.
  • PAST1H noSub

  • PAST1I AC

  • PAST1J AC

  • PAST1K AC

  • PAST1L WA1

  • PAST1M

  • PAST1N

  • PAST1O


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