Movatterモバイル変換

Enter |Register

Codeforces Round 1012 (Div. 1)
Finished

→ Hacks filter

→ Practice?

Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.

→ Virtual participation

Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.

→ Contest materials

Hacks

#	When	Hacker	Defender	Problem	Test	Verdict
1121475	2025-03-25 10:55:17	shendeliliang	tourist 312026130,all	E -Black Cat Collapse	View test	Invalid input
1121467	2025-03-24 17:35:07	Tobo	Tobo 312072758,all	B2 -Canteen (Hard Version)	View test	Invalid input
1121457	2025-03-23 15:02:21	MuhammadSawalhy	MuhammadSawalhy 312063190,all	A -Simple Permutation	View test	Unsuccessful hacking attempt
1121456	2025-03-23 14:48:28	lexiyvv	tourist 312026130,all	E -Black Cat Collapse	View test	Invalid input
1121455	2025-03-23 14:45:56	lexiyvv	tourist 312026130,all	E -Black Cat Collapse	View test	Invalid input
1121454	2025-03-23 12:12:39	liaoyanxu	B_3 312006073,all	B2 -Canteen (Hard Version)	View test	Unsuccessful hacking attempt
1121453	2025-03-23 12:11:33	liaoyanxu	Natsuzora 312020225,all	B2 -Canteen (Hard Version)	View test	Unsuccessful hacking attempt
1121452	2025-03-23 12:11:13	liaoyanxu	BiggestOtaku 312006222,all	B2 -Canteen (Hard Version)	View test	Unsuccessful hacking attempt
1121451	2025-03-23 11:57:13	N.N_2004	N.N_2004 312038557,all	B2 -Canteen (Hard Version)	View test	Unsuccessful hacking attempt
1121450	2025-03-23 11:45:58	liaoyanxu	kangleni 312026553,all	B2 -Canteen (Hard Version)	View test	Successful hacking attempt (tl)
1121449	2025-03-23 11:45:50	liaoyanxu	leinad2 312034796,all	B2 -Canteen (Hard Version)	View test	Unsuccessful hacking attempt
1121448	2025-03-23 11:45:18	liaoyanxu	Moyou 312027882,all	B2 -Canteen (Hard Version)	View test	Unsuccessful hacking attempt
1121447	2025-03-23 11:45:05	liaoyanxu	leinad2 312034796,all	B2 -Canteen (Hard Version)	View test	Invalid input
1121446	2025-03-23 11:45:01	liaoyanxu	kangleni 312026553,all	B2 -Canteen (Hard Version)	View test	Invalid input
1121445	2025-03-23 11:44:43	liaoyanxu	hcywoi 312005417,all	B2 -Canteen (Hard Version)	View test	Successful hacking attempt (tl)
1121444	2025-03-23 11:42:40	liaoyanxu	Hamed_Ghaffari 312018732,all	B2 -Canteen (Hard Version)	View test	Successful hacking attempt (tl)
1121443	2025-03-23 11:40:27	AmirAli-Asgari	AmirAli-Asgari 312032464,all	B2 -Canteen (Hard Version)	View test	Successful hacking attempt (tl)
1121442	2025-03-23 11:40:17	liaoyanxu	Hamed_Ghaffari 312018732,all	B2 -Canteen (Hard Version)	View test	Invalid input
1121441	2025-03-23 11:39:11	liaoyanxu	Hamed_Ghaffari 312018732,all	B2 -Canteen (Hard Version)	View test	Invalid input
1121440	2025-03-23 11:38:26	liaoyanxu	Hamed_Ghaffari 312018732,all	B2 -Canteen (Hard Version)	View test	Invalid input
1121439	2025-03-23 11:37:42	AmirAli-Asgari	AmirAli-Asgari 312032464,all	B2 -Canteen (Hard Version)	View test	Invalid input
1121371	2025-03-23 10:28:59	outfinity	leinad2 311965804,all	A -Simple Permutation	View test	Unsuccessful hacking attempt
1121369	2025-03-23 10:26:57	outfinity	PengAo 311968314,all	A -Simple Permutation	View test	Unsuccessful hacking attempt
1121368	2025-03-23 10:26:23	outfinity	weebyes 312008442,all	A -Simple Permutation	View test	Unsuccessful hacking attempt
1121366	2025-03-23 10:25:26	outfinity	weebyes 312008442,all	A -Simple Permutation	View test	Invalid input
1121365	2025-03-23 10:24:51	outfinity	gty314159 312002322,all	A -Simple Permutation	View test	Unsuccessful hacking attempt
1121364	2025-03-23 10:24:15	outfinity	mahseh 311982242,all	A -Simple Permutation	View test	Unsuccessful hacking attempt

Choose the problem:

Hacking attempt protocol

Add to problem protocol

The only programming contests Web 2.0 platform

Server time:Apr/11/2025 11:11:26 (i1).

Desktop version, switch tomobile version.

Supported by

User lists

Name