Блог пользователя kostka

Автор kostka, 10 лет назад, По-английски

Brief stats about some past contest — Codeforces Round 280 (Div. 2).

Previous posts can be found here.

Stats

Problem Successful hacks Unsuccessful hacks Other Sum Solutions which can be hacked Accepted solutions All solutions on final tests
492A - Vanya and Cubes 7 (17.95%) 28 (71.79%) 4 (10.26%) 39 104 (3.94%) 2538 (96.06%) 2642
492B - Vanya and Lanterns 11 (25.00%) 26 (59.09%) 7 (15.91%) 44 120 (5.90%) 1915 (94.10%) 2035
492C - Vanya and Exams 149 (48.85%) 54 (17.70%) 102 (33.44%) 305 340 (21.55%) 1238 (78.45%) 1578
492D - Vanya and Computer Game 7 (22.58%) 18 (58.06%) 6 (19.35%) 31 138 (23.47%) 450 (76.53%) 588
492E - Vanya and Field 0 (0.00%) 1 (100.00%) 0 (0.00%) 1 5 (2.81%) 173 (97.19%) 178
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Hacks and possible hacks describtion

492A - Vanya and Cubes

The test #9 was quite problematic (it was 3 with answer 1). The problems were mostly in implementation.

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492B - Vanya and Lanterns

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492C - Vanya and Exams

Above half of all hacks were only the maximum test which resulted in exceeding of the time limit.

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492D - Vanya and Computer Game

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492E - Vanya and Field

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Fastest hackers

Problem Time Hacker Defender Hack
492A - Vanya and Cubes 00:50:22 dwoolley3 AlgoProga 126308
492B - Vanya and Lanterns 00:52:56 ztxz16 bssanches 126316
492C - Vanya and Exams 00:23:53 Endagorion DarthHayate 126283
492D - Vanya and Computer Game 00:49:25 dreamoon_love_AA 6eJIa9IzZzTeHb 126306

Best hackers

Hacker Stats Successful hacks Unsuccessful hacks
AGrigorii +9-1 (850) C: 126466 126473 126481 126485 126490 126496 126539 126544 126614
C: 126554
Phoenix_yu +8-1 (750) C: 126290 126293 126319 126351 126354 126360 126533 126618
C: 126342
shank_punk +6-1 (550) C: 126339 126398 126405 126422 126431 126503
C: 126333
Allanur +6-1 (550) C: 126427 126548 126599 126607 126640 126675
C: 126575
tourist +5-0 (500) C: 126310 126312 126353 126376
D: 126468


alex_y +5-0 (500) C: 126579 126597 126600 126605 126611

dreamoon_love_AA +5-1 (450) B: 126440
C: 126294 126295
D: 126306 126338
B: 126552


prana +4-0 (400) C: 126470 126498 126521 126538

shardex +4-0 (400) C: 126421 126433 126437 126515

Best rooms

Room #hacks Hackers
79 9 AGrigorii [9]
1 8 Phoenix_yu [8]
29 6 shank_punk [6]
84 6 Allanur [6]
49 5 shardex [4], PieceOfCode [1]
55 5 alex_y [5]
66 5 e19-un [3], ddt [1], Godely [1]
77 5 bktl4ever [3], mohamednabil00000 [1], Serega_Shoigu [1]
1011 5 dreamoon_love_AA [5]
1014 5 tourist [5]

Best countries

Country #hacks Hackers
Russia 24 AGrigorii [9], Koblyk [3], Neon [2], savinov [2], azukun [2], GoDDoS [1], Kirito.LVL99 [1], Loremon [1], TonySnark [1], Endagorion [1], DimaWoogy [1]
India 14 shank_punk [6], theboyinatux [2], Dr.I_m_possible [2], ddt [1], m17 [1], bitchplz [1], pk. [1]
Egypt 11 Khairy [4], ahmedameen [2], Guts [2], mohamednabil00000 [1], khaledA [1], Killever [1]
Belarus 11 tourist [5], aandrukhovich [2], teleport [2], kefaa [1], Arthur [1]
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