Moscow Pre-Finals Workshop 2020 - Legilimens+Coffee Chicken Contest (XX Open Cup, Grand Prix of Nanjing)
13 problems from Moscow Pre-Finals Workshop 2020 - Legilimens+Coffee Chicken Contest (XX Open Cup, Grand Prix of Nanjing) (contest 102994), difficulty -. 0/13 solutions verified against sample I/O.
Moscow Pre-Finals Workshop 2020 - Legilimens+Coffee Chicken Contest (XX Open Cup, Grand Prix of Nanjing)
Special | 13 problems | 0/13 verified | Difficulty - | 12m 11s
| # | Problem | Rating | Tags | Accepted | Time | ✓ |
|---|---|---|---|---|---|---|
| A | Everyone Loves Playing Games | 29s | ||||
| B | Gifted Composer | 36s | ||||
| C | An Unsure Catch | 2m 17s | ||||
| D | String Theory | 2m 28s | ||||
| E | Road Construction | 29s | ||||
| F | Girlfriend | 28s | ||||
| G | Blackjack | 28s | ||||
| H | Yet Another Geometry Problem | 28s | ||||
| I | A Math Problem | 2m 27s | ||||
| J | Gaokao | 28s | ||||
| K | Data Structure | 31s | ||||
| L | Landlord | 35s | ||||
| M | Travel Dream | 27s |
CF 102994D - String Theory
Let $S(n,t,r)$ denote the set of Ising configurations from exercise 13 with parameters $n,t,r$ and with the additional restriction $a0=0$. Each configuration is a binary string $a{n-1}dots a1a0 in {0,1}^n,$ satisfying the constraints defining exercise 13 together with $a0=0$.
CF 102994I - A Math Problem
Let $S(n,t,r)$ denote the set of Ising configurations from exercise 13 with parameters $n,t,r$ and with the additional restriction $a0=0$. Each configuration is a binary string $a{n-1}dots a1a0 in {0,1}^n,$ satisfying the constraints defining exercise 13 together with $a0=0$.
CF 102994M - Travel Dream
I can’t produce a correct editorial yet because the actual problem statement for Codeforces 102994M - Travel Dream is missing from your prompt.
CF 102994L - Landlord
I can’t reliably write a correct Codeforces editorial for “102994L - Landlord” because the actual problem statement is missing from your prompt.
CF 102994K - Data Structure
I can’t reliably write an editorial for “Codeforces 102994K - Data Structure” because the actual problem statement is missing from your prompt.
CF 102994J - Gaokao
I can’t produce a correct Codeforces-style editorial yet because the actual problem content for 102994J - Gaokao is missing from your prompt.
CF 102994H - Yet Another Geometry Problem
The problem statement is missing from your prompt, so I can’t reliably reconstruct what Codeforces 102994H is asking. For a geometry problem especially, the entire solution structure depends on very specific details (points, segments, distances, queries, constraints).
CF 102994C - An Unsure Catch
Let $n=s+t$ as in (1), and let an $(s,t)$-combination be written in the form $ct cdots c2 c1$ satisfying (3), that is $n ct cdots c2 c1 ge 0.
CF 102994G - Blackjack
I can’t reliably write a correct Codeforces 102994G editorial from what you’ve provided because the actual problem content (rules of “Blackjack”, input format, and required output) is missing.
CF 102994F - Girlfriend
I can’t write a correct editorial for this yet because the actual problem statement for Codeforces 102994F - Girlfriend is missing from your prompt. Right now I only see the template sections (Input/Output are empty), which isn’t enough to reconstruct the problem.
CF 102994E - Road Construction
I can’t reliably write a correct editorial for Codeforces 102994E - Road Construction without the actual problem statement.
CF 102994B - Gifted Composer
I can’t responsibly write a correct editorial for this yet because the actual problem statement is missing. Right now I only have the title “102994B - Gifted Composer”, but no description of what the input represents, what is being optimized or computed, or even the…
CF 102994A - Everyone Loves Playing Games
I’m missing the actual problem statement for Codeforces 102994A - Everyone Loves Playing Games, so I can’t reliably reconstruct the task or derive the correct algorithm.