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Problem set. NEERC Regionals
Solved problems:
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ID
Title
Source
Authors
Difficulty
1053
Pinocchio
NEERC 2000 Central Subregional
4426
340
1054
Tower of Hanoi
NEERC 2000 Central Subregional
2349
640
1055
Combinations
NEERC 2000 Central Subregional
3591
419
1056
Centers of the Net
NEERC 2000 Central Subregional
2738
549
1057
Amount of Degrees
NEERC 2000 Central Subregional
2106
713
1058
Chocolate
NEERC 2000 Central Subregional
527
2804
1059
Expression
NEERC 2000 Central Subregional
2229
674
1133
Fibonacci Sequence
NEERC 2001 Central Subregional
2235
223
1134
Cards
NEERC 2001 Central Subregional
2543
196
1135
Recruits
NEERC 2001 Central Subregional
3097
161
1136
Parliament
NEERC 2001 Central Subregional
5013
100
1137
Bus Routes
NEERC 2001 Central Subregional
1546
322
1138
Integer Percentage
NEERC 2001 Central Subregional
2469
202
1139
City Blocks
NEERC 2001 Central Subregional
6434
78
1140
Swamp Incident
NEERC 2001 Central Subregional
1314
378
1158
Censored!
NEERC 2001 Northern Subregional
984
504
1159
Fence
NEERC 2001 Northern Subregional
655
754
1160
Network
NEERC 2001 Northern Subregional
3457
146
1161
Stripies
NEERC 2001 Northern Subregional
5445
92
1162
Currency Exchange
NEERC 2001 Northern Subregional
2536
197
1163
Chapaev
NEERC 2001 Northern Subregional
112
4109
1164
Fillword
NEERC 2001 Northern Subregional
2428
206
1165
Subnumber
NEERC 2001 Northern Subregional
531
927
1166
Funny Card Game
NEERC 2001 Northern Subregional
133
3587
1224
Spiral
NEERC 2002 Central Subregional
7646
66
1225
Flags
NEERC 2002 Central Subregional
14321
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4459
113
1227
Rally Championship
NEERC 2002 Central Subregional
1671
302
1228
Array
NEERC 2002 Central Subregional
4679
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1320
381
1230
Introspective Program
NEERC 2002 Central Subregional
656
761
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
225
2158
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2370
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
736
688
1275
Knights of the Round Table
NEERC 2003 Central Subregional
205
2387
1276
Train
NEERC 2003 Central Subregional
687
736
1277
Cops and Thieves
NEERC 2003 Central Subregional
638
792
1278
“… Connecting People”
NEERC 2003 Central Subregional
509
989
1279
Warehouse
NEERC 2003 Central Subregional
1202
423
1280
Topological Sorting
NEERC 2003 Central Subregional
3621
141
1281
River Basin
NEERC 2003 Central Subregional
362
1380
1282
Game Tree
NEERC 2003 Central Subregional
1512
337
1500
Pass Licenses
NEERC 2006 Eastern Subregional
749
638
1501
Sense of Beauty
NEERC 2006 Eastern Subregional
1807
267
1502
Domino Dots
NEERC 2006 Eastern Subregional
6553
74
1503
Polynomial
NEERC 2006 Eastern Subregional
270
1730
1504
Good Manners
NEERC 2006 Eastern Subregional
208
2222
1505
Oil Transfer
NEERC 2006 Eastern Subregional
156
2918
1506
Columns of Numbers
NEERC 2006 Eastern Subregional
3458
140
1507
Difficult Decision
NEERC 2006 Eastern Subregional
1080
444
1508
Japanese Puzzle
NEERC 2006 Eastern Subregional
291
1609
1509
Domino Recognition
NEERC 2006 Eastern Subregional
128
3510
1510
Order
NEERC 2006 Eastern Subregional
5542
87
1582
Bookmakers
NEERC 2007 Eastern Subregional
3682
122
1583
Cheese
NEERC 2007 Eastern Subregional
228
1892
1584
Pharaohs’ Secrets
NEERC 2007 Eastern Subregional
319
1369
1585
Penguins
NEERC 2007 Eastern Subregional
11831
38
1586
Threeprime Numbers
NEERC 2007 Eastern Subregional
3114
144
1587
Flying Pig
NEERC 2007 Eastern Subregional
541
817
1588
Jamaica
NEERC 2007 Eastern Subregional
1374
325
1589
Sokoban
NEERC 2007 Eastern Subregional
19
15530
1590
Bacon’s Cipher
NEERC 2007 Eastern Subregional
2396
187
1591
Abstract Thinking
NEERC 2007 Eastern Subregional
411
1070
1592
Chinese Watches
NEERC 2007 Eastern Subregional
744
597
1649
Abstractionism to the People
NEERC 2008 Eastern Subregional
51
6850
1650
Billionaires
NEERC 2008 Eastern Subregional
2261
184
1651
Shortest Subchain
NEERC 2008 Eastern Subregional
1207
343
1652
Banking Crisis
NEERC 2008 Eastern Subregional
143
2731
1653
Death Conveyor
NEERC 2008 Eastern Subregional
53
6632
1654
Cipher Message
NEERC 2008 Eastern Subregional
7045
59
1655
Somali Pirates
NEERC 2008 Eastern Subregional
214
1865
1656
Far Away Kingdom's Army
NEERC 2008 Eastern Subregional
2034
204
1657
Cube Snake
NEERC 2008 Eastern Subregional
264
1525
1658
Sum of Digits
NEERC 2008 Eastern Subregional
2077
200
1659
Regular Triangles
NEERC 2008 Eastern Subregional
634
649
1711
Code Names
NEERC 2009 Eastern Subregional
2932
132
1712
Cipher Grille
NEERC 2009 Eastern Subregional
4584
85
1713
Key Substrings
NEERC 2009 Eastern Subregional
607
631
1714
Mnemonics and Palindromes 2
NEERC 2009 Eastern Subregional
111
3217
1715
Another Ball Killer
NEERC 2009 Eastern Subregional
375
1011
1716
Alternative Solution
NEERC 2009 Eastern Subregional
509
750
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
165
2224
1718
Rejudge
NEERC 2009 Eastern Subregional
1266
305
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
251
1491
1720
Summit Online Judge
NEERC 2009 Eastern Subregional
385
985
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
662
579
1800
Murphy's Law
NEERC 2010 Eastern Subregional
2102
170
1801
The Revolution Cup
NEERC 2010 Eastern Subregional
54
5604
1802
Cube Puzzle
NEERC 2010 Eastern Subregional
160
2110
1803
The Czechs' Rifles
NEERC 2010 Eastern Subregional
500
703
1804
The Machinegunners in a Playoff
NEERC 2010 Eastern Subregional
879
403
1805
Chapaev and a Cipher Grille
NEERC 2010 Eastern Subregional
347
1005
1806
Mobile Telegraphs
NEERC 2010 Eastern Subregional
1891
189
1807
Cartridges for Maxim
NEERC 2010 Eastern Subregional
233
1476
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
172
1971
1809
Chapaev and Potatoes
NEERC 2010 Eastern Subregional
595
593
1885
Passenger Comfort
NEERC 2011 Eastern Subregional
1683
196
1886
Trip 2
NEERC 2011 Eastern Subregional
148
2095
1887
Frequent Flyer Card
NEERC 2011 Eastern Subregional
300
1068
1888
Pilot Work Experience
NEERC 2011 Eastern Subregional
711
459
1889
Airport Announcements
NEERC 2011 Eastern Subregional
1094
300
1890
Money out of Thin Air
NEERC 2011 Eastern Subregional
711
459
1891
Language Ocean
NEERC 2011 Eastern Subregional
466
696
1892
Morning in Koltsovo
NEERC 2011 Eastern Subregional
363
888
1893
A380
NEERC 2011 Eastern Subregional
5628
59
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
217
1458
1895
Steaks on Board
NEERC 2011 Eastern Subregional
143
2164
1910
Titan Ruins: Hidden Entrance
NEERC 2012 Eastern Subregional
9068
34
1911
Titan Ruins: Overtaking Fire
NEERC 2012 Eastern Subregional
56
4622
1912
Titan Ruins: Passing through Walls
NEERC 2012 Eastern Subregional
230
1271
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
151
1895
1914
Titan Ruins: Serial Control
NEERC 2012 Eastern Subregional
58
4486
1915
Titan Ruins: Reconstruction of Bygones
NEERC 2012 Eastern Subregional
1392
218
1916
Titan Ruins: Waiting for Stability
NEERC 2012 Eastern Subregional
82
3316
1917
Titan Ruins: Deadly Accuracy
NEERC 2012 Eastern Subregional
1293
234
1918
Titan Ruins: Artful Manipulations
NEERC 2012 Eastern Subregional
315
939
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
136
2089
1920
Titan Ruins: the Infinite Power of Magic
NEERC 2012 Eastern Subregional
415
718
1990
Podracing
NEERC 2013 Eastern Subregional
256
1049
1991
The battle near the swamp
NEERC 2013 Eastern Subregional
5922
47
1992
CVS
NEERC 2013 Eastern Subregional
725
380
1993
This cheeseburger you don't need
NEERC 2013 Eastern Subregional
1392
199
1994
The Emperor's plan
NEERC 2013 Eastern Subregional
254
1057
1995
Illegal spices
NEERC 2013 Eastern Subregional
452
604
1996
Cipher Message 3
NEERC 2013 Eastern Subregional
214
1246
1997
Those are not the droids you're looking for
NEERC 2013 Eastern Subregional
502
545
1998
The old Padawan
NEERC 2013 Eastern Subregional
751
367
1999
The secret module
NEERC 2013 Eastern Subregional
30
6975
2012
About Grisha N.
NEERC 2014 Eastern Subregional
15330
17
2013
Neither shaken nor stirred
NEERC 2014 Eastern Subregional
261
942
2014
Zhenya moves from parents
NEERC 2014 Eastern Subregional
462
541
2015
Zhenya moves from the dormitory
NEERC 2014 Eastern Subregional
860
293
2016
Magic and Science
NEERC 2014 Eastern Subregional
19
8802
2017
Best of a bad lot
NEERC 2014 Eastern Subregional
180
1344
2018
The Debut Album
NEERC 2014 Eastern Subregional
2512
101
2019
Pair: normal and paranormal
NEERC 2014 Eastern Subregional
883
286
2020
Traffic Jam in Flower Town
NEERC 2014 Eastern Subregional
1628
156
2021
Scarily interesting!
NEERC 2014 Eastern Subregional
556
451
2022
Riding a Toad
NEERC 2014 Eastern Subregional
58
3754
2023
Donald is a postman
NEERC 2014 Eastern Subregional
6632
38
2074
Timus problems classifier
Qualification of Eastern Subregional 2015
217
982
2075
Take care of your eyebrows!
Qualification of Eastern Subregional 2015
70
2785
2076
Vasiana
Qualification of Eastern Subregional 2015
18
7958
2077
Reductions
Qualification of Eastern Subregional 2015
19
7683
2190
Match of the Millennium
ICPC Ural Regional Contest Qualifier 2022
11
1761
2191
Piecewise Linear Functions
ICPC Ural Regional Contest Qualifier 2022
7
2167
2192
My Grandfather
ICPC Ural Regional Contest Qualifier 2022
16
1423
2193
Old Barabarian Rap
ICPC Ural Regional Contest Qualifier 2022
8
2047
2194
Snakes&Snakes
ICPC Ural Regional Contest Qualifier 2023
28
973
2195
Binary Trees
ICPC Ural Regional Contest Qualifier 2023
9
1947
2196
Apocalypse
ICPC Ural Regional Contest Qualifier 2023
6
2300
2197
Work is not a wolf; a wolf is to walk
ICPC Ural Regional Contest Qualifier 2024
6
2312
2198
Deep Understanding
ICPC Ural Regional Contest Qualifier 2024
13
1604
2199
Company Question
ICPC Ural Regional Contest Qualifier 2024
12
1681
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