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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
4418
339
1054
Tower of Hanoi
NEERC 2000 Central Subregional
2332
640
1055
Combinations
NEERC 2000 Central Subregional
3587
417
1056
Centers of the Net
NEERC 2000 Central Subregional
2725
548
1057
Amount of Degrees
NEERC 2000 Central Subregional
2096
712
1058
Chocolate
NEERC 2000 Central Subregional
524
2802
1059
Expression
NEERC 2000 Central Subregional
2222
672
1133
Fibonacci Sequence
NEERC 2001 Central Subregional
2226
222
1134
Cards
NEERC 2001 Central Subregional
2542
195
1135
Recruits
NEERC 2001 Central Subregional
3089
161
1136
Parliament
NEERC 2001 Central Subregional
4997
99
1137
Bus Routes
NEERC 2001 Central Subregional
1521
325
1138
Integer Percentage
NEERC 2001 Central Subregional
2458
202
1139
City Blocks
NEERC 2001 Central Subregional
6414
77
1140
Swamp Incident
NEERC 2001 Central Subregional
1309
377
1158
Censored!
NEERC 2001 Northern Subregional
976
505
1159
Fence
NEERC 2001 Northern Subregional
651
754
1160
Network
NEERC 2001 Northern Subregional
3296
153
1161
Stripies
NEERC 2001 Northern Subregional
5434
91
1162
Currency Exchange
NEERC 2001 Northern Subregional
2370
209
1163
Chapaev
NEERC 2001 Northern Subregional
109
4186
1164
Fillword
NEERC 2001 Northern Subregional
2418
205
1165
Subnumber
NEERC 2001 Northern Subregional
531
921
1166
Funny Card Game
NEERC 2001 Northern Subregional
133
3565
1224
Spiral
NEERC 2002 Central Subregional
7619
66
1225
Flags
NEERC 2002 Central Subregional
14223
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4453
113
1227
Rally Championship
NEERC 2002 Central Subregional
1662
301
1228
Array
NEERC 2002 Central Subregional
4671
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1313
381
1230
Introspective Program
NEERC 2002 Central Subregional
653
760
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
224
2154
1232
Asteroid Landing
NEERC 2002 Central Subregional
202
2377
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
734
686
1275
Knights of the Round Table
NEERC 2003 Central Subregional
204
2384
1276
Train
NEERC 2003 Central Subregional
683
736
1277
Cops and Thieves
NEERC 2003 Central Subregional
632
795
1278
“… Connecting People”
NEERC 2003 Central Subregional
509
983
1279
Warehouse
NEERC 2003 Central Subregional
1200
422
1280
Topological Sorting
NEERC 2003 Central Subregional
3583
142
1281
River Basin
NEERC 2003 Central Subregional
361
1375
1282
Game Tree
NEERC 2003 Central Subregional
1505
337
1500
Pass Licenses
NEERC 2006 Eastern Subregional
745
637
1501
Sense of Beauty
NEERC 2006 Eastern Subregional
1795
267
1502
Domino Dots
NEERC 2006 Eastern Subregional
6529
74
1503
Polynomial
NEERC 2006 Eastern Subregional
266
1743
1504
Good Manners
NEERC 2006 Eastern Subregional
207
2217
1505
Oil Transfer
NEERC 2006 Eastern Subregional
154
2933
1506
Columns of Numbers
NEERC 2006 Eastern Subregional
3442
139
1507
Difficult Decision
NEERC 2006 Eastern Subregional
1075
443
1508
Japanese Puzzle
NEERC 2006 Eastern Subregional
287
1620
1509
Domino Recognition
NEERC 2006 Eastern Subregional
127
3511
1510
Order
NEERC 2006 Eastern Subregional
5527
87
1582
Bookmakers
NEERC 2007 Eastern Subregional
3676
121
1583
Cheese
NEERC 2007 Eastern Subregional
228
1878
1584
Pharaohs’ Secrets
NEERC 2007 Eastern Subregional
318
1362
1585
Penguins
NEERC 2007 Eastern Subregional
11760
38
1586
Threeprime Numbers
NEERC 2007 Eastern Subregional
3096
144
1587
Flying Pig
NEERC 2007 Eastern Subregional
541
811
1588
Jamaica
NEERC 2007 Eastern Subregional
1362
326
1589
Sokoban
NEERC 2007 Eastern Subregional
19
15410
1590
Bacon’s Cipher
NEERC 2007 Eastern Subregional
2366
188
1591
Abstract Thinking
NEERC 2007 Eastern Subregional
411
1062
1592
Chinese Watches
NEERC 2007 Eastern Subregional
738
597
1649
Abstractionism to the People
NEERC 2008 Eastern Subregional
51
6789
1650
Billionaires
NEERC 2008 Eastern Subregional
2136
193
1651
Shortest Subchain
NEERC 2008 Eastern Subregional
1186
346
1652
Banking Crisis
NEERC 2008 Eastern Subregional
141
2742
1653
Death Conveyor
NEERC 2008 Eastern Subregional
52
6679
1654
Cipher Message
NEERC 2008 Eastern Subregional
7012
59
1655
Somali Pirates
NEERC 2008 Eastern Subregional
208
1900
1656
Far Away Kingdom's Army
NEERC 2008 Eastern Subregional
2024
204
1657
Cube Snake
NEERC 2008 Eastern Subregional
262
1522
1658
Sum of Digits
NEERC 2008 Eastern Subregional
2063
200
1659
Regular Triangles
NEERC 2008 Eastern Subregional
631
646
1711
Code Names
NEERC 2009 Eastern Subregional
2917
132
1712
Cipher Grille
NEERC 2009 Eastern Subregional
4565
84
1713
Key Substrings
NEERC 2009 Eastern Subregional
606
626
1714
Mnemonics and Palindromes 2
NEERC 2009 Eastern Subregional
110
3211
1715
Another Ball Killer
NEERC 2009 Eastern Subregional
375
1001
1716
Alternative Solution
NEERC 2009 Eastern Subregional
489
772
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
164
2215
1718
Rejudge
NEERC 2009 Eastern Subregional
1259
304
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
250
1482
1720
Summit Online Judge
NEERC 2009 Eastern Subregional
383
981
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
657
578
1800
Murphy's Law
NEERC 2010 Eastern Subregional
2095
168
1801
The Revolution Cup
NEERC 2010 Eastern Subregional
54
5540
1802
Cube Puzzle
NEERC 2010 Eastern Subregional
160
2086
1803
The Czechs' Rifles
NEERC 2010 Eastern Subregional
495
702
1804
The Machinegunners in a Playoff
NEERC 2010 Eastern Subregional
873
402
1805
Chapaev and a Cipher Grille
NEERC 2010 Eastern Subregional
346
996
1806
Mobile Telegraphs
NEERC 2010 Eastern Subregional
1747
202
1807
Cartridges for Maxim
NEERC 2010 Eastern Subregional
232
1465
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
172
1948
1809
Chapaev and Potatoes
NEERC 2010 Eastern Subregional
593
588
1885
Passenger Comfort
NEERC 2011 Eastern Subregional
1672
194
1886
Trip 2
NEERC 2011 Eastern Subregional
148
2068
1887
Frequent Flyer Card
NEERC 2011 Eastern Subregional
297
1064
1888
Pilot Work Experience
NEERC 2011 Eastern Subregional
705
457
1889
Airport Announcements
NEERC 2011 Eastern Subregional
1089
297
1890
Money out of Thin Air
NEERC 2011 Eastern Subregional
703
458
1891
Language Ocean
NEERC 2011 Eastern Subregional
465
688
1892
Morning in Koltsovo
NEERC 2011 Eastern Subregional
363
876
1893
A380
NEERC 2011 Eastern Subregional
5607
58
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
213
1465
1895
Steaks on Board
NEERC 2011 Eastern Subregional
141
2164
1910
Titan Ruins: Hidden Entrance
NEERC 2012 Eastern Subregional
9004
33
1911
Titan Ruins: Overtaking Fire
NEERC 2012 Eastern Subregional
56
4555
1912
Titan Ruins: Passing through Walls
NEERC 2012 Eastern Subregional
229
1258
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
151
1867
1914
Titan Ruins: Serial Control
NEERC 2012 Eastern Subregional
58
4421
1915
Titan Ruins: Reconstruction of Bygones
NEERC 2012 Eastern Subregional
1386
215
1916
Titan Ruins: Waiting for Stability
NEERC 2012 Eastern Subregional
82
3268
1917
Titan Ruins: Deadly Accuracy
NEERC 2012 Eastern Subregional
1290
231
1918
Titan Ruins: Artful Manipulations
NEERC 2012 Eastern Subregional
315
925
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
135
2073
1920
Titan Ruins: the Infinite Power of Magic
NEERC 2012 Eastern Subregional
412
712
1990
Podracing
NEERC 2013 Eastern Subregional
256
1032
1991
The battle near the swamp
NEERC 2013 Eastern Subregional
5889
47
1992
CVS
NEERC 2013 Eastern Subregional
713
380
1993
This cheeseburger you don't need
NEERC 2013 Eastern Subregional
1383
197
1994
The Emperor's plan
NEERC 2013 Eastern Subregional
252
1047
1995
Illegal spices
NEERC 2013 Eastern Subregional
448
599
1996
Cipher Message 3
NEERC 2013 Eastern Subregional
214
1225
1997
Those are not the droids you're looking for
NEERC 2013 Eastern Subregional
499
539
1998
The old Padawan
NEERC 2013 Eastern Subregional
746
363
1999
The secret module
NEERC 2013 Eastern Subregional
30
6860
2012
About Grisha N.
NEERC 2014 Eastern Subregional
15178
16
2013
Neither shaken nor stirred
NEERC 2014 Eastern Subregional
258
935
2014
Zhenya moves from parents
NEERC 2014 Eastern Subregional
456
538
2015
Zhenya moves from the dormitory
NEERC 2014 Eastern Subregional
840
295
2016
Magic and Science
NEERC 2014 Eastern Subregional
19
8638
2017
Best of a bad lot
NEERC 2014 Eastern Subregional
178
1333
2018
The Debut Album
NEERC 2014 Eastern Subregional
2491
100
2019
Pair: normal and paranormal
NEERC 2014 Eastern Subregional
879
282
2020
Traffic Jam in Flower Town
NEERC 2014 Eastern Subregional
1622
154
2021
Scarily interesting!
NEERC 2014 Eastern Subregional
554
444
2022
Riding a Toad
NEERC 2014 Eastern Subregional
58
3684
2023
Donald is a postman
NEERC 2014 Eastern Subregional
6564
38
2074
Timus problems classifier
Qualification of Eastern Subregional 2015
215
968
2075
Take care of your eyebrows!
Qualification of Eastern Subregional 2015
70
2723
2076
Vasiana
Qualification of Eastern Subregional 2015
17
8069
2077
Reductions
Qualification of Eastern Subregional 2015
18
7781
2190
Match of the Millennium
ICPC Ural Regional Contest Qualifier 2022
6
1928
2191
Piecewise Linear Functions
ICPC Ural Regional Contest Qualifier 2022
5
2046
2192
My Grandfather
ICPC Ural Regional Contest Qualifier 2022
9
1623
2193
Old Barabarian Rap
ICPC Ural Regional Contest Qualifier 2022
6
1918
2194
Snakes&Snakes
ICPC Ural Regional Contest Qualifier 2023
17
1142
2195
Binary Trees
ICPC Ural Regional Contest Qualifier 2023
6
1928
2196
Apocalypse
ICPC Ural Regional Contest Qualifier 2023
6
1916
2197
Work is not a wolf; a wolf is to walk
ICPC Ural Regional Contest Qualifier 2024
4
2203
2198
Deep Understanding
ICPC Ural Regional Contest Qualifier 2024
7
1809
2199
Company Question
ICPC Ural Regional Contest Qualifier 2024
9
1623
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