We will hold AtCoder Regular Contest 209 (Div. 1).
- Contest URL: https://atcoder.jp/contests/arc209
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20251109T2100&p1=248
- Duration: 150 minutes
- Number of Tasks: 5
- Writer: blackyuki, Kodaman, PCTprobability
- Tester: Nyaan, maspy
- Rated range: 1600 ~ 2999
The point values will be 700-700-900-900-1100.
We are looking forward to your participation!
Not putting an example that distinguishes between $$$k$$$ and $$$|S|-k$$$ in A is kind of cruel 😔
I mean it's my fault I didn't read it carefully enough, of course, but it has similar vibes to putting a rectangular table in the input, and have all examples with $$$n=m$$$...
passed D 1 minute after the contest ends :(
Nice problems tho