AGM 2021, Final Round, Day 2

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182K - Bathroom Tiles

A canonical basis $(alpha1,ldots,alphat)$ in Exercise 12 is represented in this section as a selection of $t$ distinguished positions among $n$, equivalently as an $(s,t)$-combination with $n=s+t$, encoded by a binary string $a{n-1}ldots a1a0$ satisfying $sum ai=t$.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182L - XorAnd

I can write the full editorial in exactly that format, but I’m missing the actual problem statement for Codeforces 103182L - XorAnd.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182J - Strategy

I don’t have the actual statement of Codeforces 103182J - Strategy in your prompt, so I can’t reliably reconstruct the problem, constraints, or solution. Writing a correct editorial without that would require guessing, which would very likely produce a wrong algorithm.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182I - Number Spiral

I’m missing the actual problem statement for Codeforces 103182I - Number Spiral, and I can’t reliably reconstruct it from the title alone without risking writing the wrong editorial. Please paste the full statement (or at least input/output format + constraints + a sample).

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182A - Corporate Issues

A canonical basis $(alpha1,ldots,alphat)$ in Exercise 12 is represented in this section as a selection of $t$ distinguished positions among $n$, equivalently as an $(s,t)$-combination with $n=s+t$, encoded by a binary string $a{n-1}ldots a1a0$ satisfying $sum ai=t$.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182H - Spies

I’m missing the actual problem statement for Codeforces 103182H - Spies. Without the description of what the “spies” are doing, what the input represents, and what needs to be computed, any editorial would be guesswork and would very likely be wrong.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182G - SigSegv

The problem statement for Codeforces 103182G - SigSegv is missing from your prompt, so there isn’t enough information to reconstruct the task, constraints, or required algorithm.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182F - Secure documents

I don’t have the actual statement for Codeforces 103182F - Secure documents in your prompt, so I can’t reliably derive the algorithm, constraints, or examples needed to write a correct editorial.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182E - PalTree

The prompt is missing the actual problem statement for Codeforces 103182E - PalTree, so I don’t have enough information to write a correct editorial.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182D - Melon Seeds

I don’t have the actual statement for Codeforces 103182D - Melon Seeds in your prompt, and without it I can’t produce a correct editorial. Anything I write would risk inventing rules, which would make the explanation useless for learning or re-derivation.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182B - Dragons

The problem statement is missing from your prompt, so there’s no way to reconstruct what “Dragons” (Codeforces 103182B) is asking for.

Practice › Codeforces Solutions › AGM 2021, Final Round, Day 2 ›

CF 103182C - IDE

I’m missing the actual problem statement for Codeforces 103182C - IDE, so I can’t reliably reconstruct the task or produce a correct editorial.

#	Problem	Time
A	Corporate Issues	2m 12s
B	Dragons	35s
C	IDE	31s
D	Melon Seeds	27s
E	PalTree	34s
F	Secure documents	42s
G	SigSegv	44s
H	Spies	23s
I	Number Spiral	29s
J	Strategy	33s
K	Bathroom Tiles	1m 35s
L	XorAnd	38s