new manmade horrors (barely within comprehension) just dropped

→ Pay attention

Before contest
Codeforces Round (Div. 3)
5 days

→ Top rated

#	User	Rating
1	jiangly	3810
2	Kevin114514	3655
3	Benq	3650
4	maroonrk	3427
5	strapple	3413
6	Um_nik	3387
7	heuristica	3322
8	tourist	3301
9	turmax	3297
10	squareOf105	3262

Countries | Cities | Organizations

View all →

→ Top contributors

#	User	Contrib.
1	Qingyu	157
2	maspy	150
2	nik_exists	150
4	Um_nik	144
5	Errichto	139
6	adamant	136
7	AmShZ	134
8	maroonrk	133
8	BledDest	133
10	DNR	128

View all →

→ Find user

→ Recent actions

Ovi_404 → Finally hit 1000 problems solved on Codeforces
MikeMirzayanov → Telegram Returns as Title Sponsor of Codeforces!
mariza_CY → Balkan OI 2026 teams
UNDERTAKER → Looking for contests to host — we'll adapt our judge to your problems
AmShZ → Repovive Premier Round 8 — $300 Prize Pool
DuyMinh3005 → Is this acceptable?
kondasujay2 → Codeforces Round 1120 (Div. 1, Div. 2)
Down_bad_4_haiender288 → new manmade horrors (barely within comprehension) just dropped
Down_bad_4_haiender288 → new manmade horrors (barely within comprehension) just dropped
M.Bemanali → QueueForces AGAIN???
nik_exists → Codeforces Round 1119 (Div. 3) Editorial
qwexd → Codeforces Round 1121 (Div. 2)
lumibons → IOI 2027 Call for Tasks
OmarAfterMidnight → VoidHub Update: Relive CPC Contests as If You Were There
Grizoo → [GYM] Aleppo Collegiate Programming Contest 2026
pllk → Competitive Programmer's Handbook — a new book on competitive programming
sadwqdqEF213 → Introducing SoSOI 2027 - The First Solar System Olympiad in Informatics
kondasujay2 → Codeforces Round 1120 (Div 1, Div 2) Editorial
adarshsolanki2004 → Cloudflare anti-bot verification not appearing
123gjweq2 → Is this a good problem + can you please help me gauge its difficulty?
destructive_criticism → 2026 Turkish Team Selection Problems Are Now Public!
Hardik120710 → A Friendly Discord Competitive Programming Server (very alive)
DishonoredRighteous → Codeforces Round #643 (Div. 2) Editorial
plagues → The most outrageous cheating in the history of Huawei Challenge
maruf004 → Will Meta Hacker Cup 2026 Happen?

Detailed →

new manmade horrors (barely within comprehension) just dropped

Revision en1, by Down_bad_4_haiender288, 2026-09-16 20:14:56

Author's solution: O(N^4)

GPT's solution: O(N)

:skull:

History

Revisions

	Rev.	Lang.	By	When	Δ	Comment
	en1		Down_bad_4_haiender288	2026-09-16 20:14:56	201	Initial revision (published)

The only programming contests Web 2.0 platform

Server time: Sep/16/2026 22:38:17 (f1).

Desktop version, switch to mobile version.

Supported by