lydxlx's blog

Highlighted Problems
By lydxlx, history, 4 years ago, In English

In this post, I am summarizing a list of highlighted problems with their corresponding categories.

Interval Questions

1462F - Клад из отрезков — Given a list of intervals and a query interval, count efficiently how many given intervals overlap with the query interval?

Math

1463B - Найти массив — Modify an array s.t. every element is divisor/multiple of its neighbor(s), while sum of element-wise difference is no more than half of original array sum.

One elegant solution

1450C2 - Крестики Нолики Errichto (сложная версия) — No 3 continuous horizontal / vertical grid cells under the same color.

More hints

  • Vote: I like it
  • +18
  • Vote: I do not like it

»
4 years ago, # |
  Vote: I like it +1 Vote: I do not like it

please add some more problems.

→ Reply
»
4 years ago, # |
  Vote: I like it +5 Vote: I do not like it

The text next to the problems (in particular next to 1450C2 - Errich-Tac-Toe (Hard Version)) is a big hint, maybe it should be put under spoiler.

→ Reply