MathForces: Math Olympiads
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MathForces Round 12: Raccoons

Author: mathforces
 

Number of participants: 18
 

Max rating to participate: ∞
 

Start: July 11, 2020, 8 p.m.
(GMT+6)

End: July 11, 2020, 10 p.m.
(GMT +6)

Русский язык | English Language

The round will last 2 hours on Saturday, July 11 from 20:00 Astana time (17:00 Moscow time) until 22:00 Astana time (19:00 Moscow time). A total of 5 tasks will be offered. In each problem, you need to enter one answer (non-negative integer number).
  • Everyone can participate in the Olympiad.
  • At any time before the first attempt, you can cancel registration for the Olympiad.
  • To participate in the Olympiad you need to click "Register for the Olympiad" on the page of the Olympiad. Before that, you must log in to your account (and confirm your email)
  • You have 5 attempts to complete each task.
  • Each task weighs from 100 to 2000 points
  • The faster the problem is solved, the less your penalty coefficient for this problem will be, that is, the faster you solve the problem, the more points you will get on it.
  • If the problem is solved correctly, you will be redirected back to the Olympics page and see the rating changes in the "Standings" tab
  • If the problem is solved incorrectly, you will see a notification and the number of remaining attempts will be reduced by one. After the Olympiad, the restriction will disappear.
In the event of a significant drop in page loading speed (due to server load), we will add additional time to the round. For questions, contact telegram chat .
We remind you: the rules for participation in the olympiads are available on the link .

# Name Difficulty Tags
1 Ordered papers 300 Combinatorics
2 Simple Altai 400 Number-Theory
3 Inverse Sum in Triangle 500 Geometry
4 Hold me 500 Algebra
5 Friends Playing 600 Combinatorics
# Login Result Problem 1 Problem 2 Problem 3 Problem 4 Problem 5
1 antontrygub 2000 292 382 424 456 446
2 mhq 1843 296 371 334 373 469
3 dmitr3ibraev 1793 294 370 438 423 268
4 btnlq 1306 239 369 0 405 293
5 quixy 1082 116 298 244 424 0
6 maro04 861 116 326 0 167 252
7 mnagkz 748 172 167 0 -5 409
8 gleb 684 151 -3 0 298 235
9 pm3 636 -4 0 0 420 216
10 heavy 400 -2 -5 -1 400 -5
11 marcoriver 354 -5 150 204 0 0
12 sergei 177 -5 177 0 0 0
13 zo1d 0 -1 -1 0 0 0
14 rapunzel 0 -5 -5 0 -1 0
15 sunpixel 0 -1 0 0 0 0
16 ariizu 0 0 -4 0 0 0
17 zh4niya 0 -5 0 -3 0 0
18 artempavlov 0 -5 -5 0 -5 -3