B - Cone

  • image
  • Thoughts.
    • Given 10^2 intervals, do the process 10^5 times, finding intervals that overlap given one interval and calculating a bit.
    • If you do it naively, it’s still 10^7, so you can make it…
  • Official Explanation
    • The above solution was a different solution, written “this one is simpler”.
    • Assumed solutions are those that use cumulative sums

ARC052


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