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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
4434
342
1054
Tower of Hanoi
NEERC 2000 Central Subregional
2358
642
1055
Combinations
NEERC 2000 Central Subregional
3599
421
1056
Centers of the Net
NEERC 2000 Central Subregional
2748
551
1057
Amount of Degrees
NEERC 2000 Central Subregional
2109
717
1058
Chocolate
NEERC 2000 Central Subregional
531
2802
1059
Expression
NEERC 2000 Central Subregional
2233
677
1133
Fibonacci Sequence
NEERC 2001 Central Subregional
2242
224
1134
Cards
NEERC 2001 Central Subregional
2553
197
1135
Recruits
NEERC 2001 Central Subregional
3115
161
1136
Parliament
NEERC 2001 Central Subregional
5034
100
1137
Bus Routes
NEERC 2001 Central Subregional
1553
322
1138
Integer Percentage
NEERC 2001 Central Subregional
2477
203
1139
City Blocks
NEERC 2001 Central Subregional
6460
78
1140
Swamp Incident
NEERC 2001 Central Subregional
1315
380
1158
Censored!
NEERC 2001 Northern Subregional
987
506
1159
Fence
NEERC 2001 Northern Subregional
657
756
1160
Network
NEERC 2001 Northern Subregional
3479
146
1161
Stripies
NEERC 2001 Northern Subregional
5462
92
1162
Currency Exchange
NEERC 2001 Northern Subregional
2552
197
1163
Chapaev
NEERC 2001 Northern Subregional
113
4101
1164
Fillword
NEERC 2001 Northern Subregional
2438
206
1165
Subnumber
NEERC 2001 Northern Subregional
535
926
1166
Funny Card Game
NEERC 2001 Northern Subregional
133
3608
1224
Spiral
NEERC 2002 Central Subregional
7734
66
1225
Flags
NEERC 2002 Central Subregional
14512
35
1226
esreveR redrO
NEERC 2002 Central Subregional
4494
113
1227
Rally Championship
NEERC 2002 Central Subregional
1681
302
1228
Array
NEERC 2002 Central Subregional
4710
108
1229
Strong Brickwork
NEERC 2002 Central Subregional
1322
383
1230
Introspective Program
NEERC 2002 Central Subregional
660
761
1231
Turing: One, Two, Three, …
NEERC 2002 Central Subregional
226
2162
1232
Asteroid Landing
NEERC 2002 Central Subregional
204
2384
1274
Fractional Arithmetic
NEERC 2003 Central Subregional
738
690
1275
Knights of the Round Table
NEERC 2003 Central Subregional
205
2402
1276
Train
NEERC 2003 Central Subregional
690
738
1277
Cops and Thieves
NEERC 2003 Central Subregional
584
869
1278
“… Connecting People”
NEERC 2003 Central Subregional
513
987
1279
Warehouse
NEERC 2003 Central Subregional
1209
424
1280
Topological Sorting
NEERC 2003 Central Subregional
3637
142
1281
River Basin
NEERC 2003 Central Subregional
273
1824
1282
Game Tree
NEERC 2003 Central Subregional
1522
337
1500
Pass Licenses
NEERC 2006 Eastern Subregional
751
641
1501
Sense of Beauty
NEERC 2006 Eastern Subregional
1818
267
1502
Domino Dots
NEERC 2006 Eastern Subregional
6598
74
1503
Polynomial
NEERC 2006 Eastern Subregional
270
1742
1504
Good Manners
NEERC 2006 Eastern Subregional
208
2237
1505
Oil Transfer
NEERC 2006 Eastern Subregional
158
2902
1506
Columns of Numbers
NEERC 2006 Eastern Subregional
3544
137
1507
Difficult Decision
NEERC 2006 Eastern Subregional
1092
442
1508
Japanese Puzzle
NEERC 2006 Eastern Subregional
291
1620
1509
Domino Recognition
NEERC 2006 Eastern Subregional
129
3508
1510
Order
NEERC 2006 Eastern Subregional
5595
87
1582
Bookmakers
NEERC 2007 Eastern Subregional
3697
122
1583
Cheese
NEERC 2007 Eastern Subregional
230
1891
1584
Pharaohs’ Secrets
NEERC 2007 Eastern Subregional
319
1380
1585
Penguins
NEERC 2007 Eastern Subregional
11905
38
1586
Threeprime Numbers
NEERC 2007 Eastern Subregional
3127
145
1587
Flying Pig
NEERC 2007 Eastern Subregional
542
822
1588
Jamaica
NEERC 2007 Eastern Subregional
1378
327
1589
Sokoban
NEERC 2007 Eastern Subregional
20
15129
1590
Bacon’s Cipher
NEERC 2007 Eastern Subregional
2417
187
1591
Abstract Thinking
NEERC 2007 Eastern Subregional
414
1070
1592
Chinese Watches
NEERC 2007 Eastern Subregional
749
598
1649
Abstractionism to the People
NEERC 2008 Eastern Subregional
51
6910
1650
Billionaires
NEERC 2008 Eastern Subregional
2275
184
1651
Shortest Subchain
NEERC 2008 Eastern Subregional
1213
345
1652
Banking Crisis
NEERC 2008 Eastern Subregional
144
2737
1653
Death Conveyor
NEERC 2008 Eastern Subregional
54
6586
1654
Cipher Message
NEERC 2008 Eastern Subregional
7077
59
1655
Somali Pirates
NEERC 2008 Eastern Subregional
215
1873
1656
Far Away Kingdom's Army
NEERC 2008 Eastern Subregional
2041
206
1657
Cube Snake
NEERC 2008 Eastern Subregional
265
1533
1658
Sum of Digits
NEERC 2008 Eastern Subregional
2083
201
1659
Regular Triangles
NEERC 2008 Eastern Subregional
640
648
1711
Code Names
NEERC 2009 Eastern Subregional
2937
133
1712
Cipher Grille
NEERC 2009 Eastern Subregional
4601
85
1713
Key Substrings
NEERC 2009 Eastern Subregional
612
632
1714
Mnemonics and Palindromes 2
NEERC 2009 Eastern Subregional
112
3222
1715
Another Ball Killer
NEERC 2009 Eastern Subregional
379
1011
1716
Alternative Solution
NEERC 2009 Eastern Subregional
515
749
1717
Eligibility Rules
NEERC 2009 Eastern Subregional
166
2234
1718
Rejudge
NEERC 2009 Eastern Subregional
1271
307
1719
Kill the Shaitan-Boss
NEERC 2009 Eastern Subregional
253
1495
1720
Summit Online Judge
NEERC 2009 Eastern Subregional
389
985
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
668
580
1800
Murphy's Law
NEERC 2010 Eastern Subregional
2162
167
1801
The Revolution Cup
NEERC 2010 Eastern Subregional
54
5668
1802
Cube Puzzle
NEERC 2010 Eastern Subregional
160
2134
1803
The Czechs' Rifles
NEERC 2010 Eastern Subregional
502
708
1804
The Machinegunners in a Playoff
NEERC 2010 Eastern Subregional
884
406
1805
Chapaev and a Cipher Grille
NEERC 2010 Eastern Subregional
349
1010
1806
Mobile Telegraphs
NEERC 2010 Eastern Subregional
1896
190
1807
Cartridges for Maxim
NEERC 2010 Eastern Subregional
233
1493
1808
Chapaev at the Planet Ocean
NEERC 2010 Eastern Subregional
174
1971
1809
Chapaev and Potatoes
NEERC 2010 Eastern Subregional
604
591
1885
Passenger Comfort
NEERC 2011 Eastern Subregional
1766
189
1886
Trip 2
NEERC 2011 Eastern Subregional
149
2109
1887
Frequent Flyer Card
NEERC 2011 Eastern Subregional
304
1068
1888
Pilot Work Experience
NEERC 2011 Eastern Subregional
721
459
1889
Airport Announcements
NEERC 2011 Eastern Subregional
1097
303
1890
Money out of Thin Air
NEERC 2011 Eastern Subregional
720
459
1891
Language Ocean
NEERC 2011 Eastern Subregional
470
699
1892
Morning in Koltsovo
NEERC 2011 Eastern Subregional
367
889
1893
A380
NEERC 2011 Eastern Subregional
5660
59
1894
Non-Flying Weather
NEERC 2011 Eastern Subregional
220
1458
1895
Steaks on Board
NEERC 2011 Eastern Subregional
144
2177
1910
Titan Ruins: Hidden Entrance
NEERC 2012 Eastern Subregional
9120
34
1911
Titan Ruins: Overtaking Fire
NEERC 2012 Eastern Subregional
57
4619
1912
Titan Ruins: Passing through Walls
NEERC 2012 Eastern Subregional
233
1273
1913
Titan Ruins: Alignment of Forces
NEERC 2012 Eastern Subregional
152
1910
1914
Titan Ruins: Serial Control
NEERC 2012 Eastern Subregional
59
4485
1915
Titan Ruins: Reconstruction of Bygones
NEERC 2012 Eastern Subregional
1399
220
1916
Titan Ruins: Waiting for Stability
NEERC 2012 Eastern Subregional
82
3364
1917
Titan Ruins: Deadly Accuracy
NEERC 2012 Eastern Subregional
1297
237
1918
Titan Ruins: Artful Manipulations
NEERC 2012 Eastern Subregional
317
946
1919
Titan Ruins: Transformation of Cylinders
NEERC 2012 Eastern Subregional
136
2120
1920
Titan Ruins: the Infinite Power of Magic
NEERC 2012 Eastern Subregional
420
720
1990
Podracing
NEERC 2013 Eastern Subregional
257
1062
1991
The battle near the swamp
NEERC 2013 Eastern Subregional
5974
47
1992
CVS
NEERC 2013 Eastern Subregional
731
383
1993
This cheeseburger you don't need
NEERC 2013 Eastern Subregional
1410
200
1994
The Emperor's plan
NEERC 2013 Eastern Subregional
258
1058
1995
Illegal spices
NEERC 2013 Eastern Subregional
459
605
1996
Cipher Message 3
NEERC 2013 Eastern Subregional
214
1266
1997
Those are not the droids you're looking for
NEERC 2013 Eastern Subregional
509
546
1998
The old Padawan
NEERC 2013 Eastern Subregional
754
371
1999
The secret module
NEERC 2013 Eastern Subregional
30
7089
2012
About Grisha N.
NEERC 2014 Eastern Subregional
15619
17
2013
Neither shaken nor stirred
NEERC 2014 Eastern Subregional
262
956
2014
Zhenya moves from parents
NEERC 2014 Eastern Subregional
471
541
2015
Zhenya moves from the dormitory
NEERC 2014 Eastern Subregional
869
296
2016
Magic and Science
NEERC 2014 Eastern Subregional
21
8386
2017
Best of a bad lot
NEERC 2014 Eastern Subregional
180
1368
2018
The Debut Album
NEERC 2014 Eastern Subregional
2548
102
2019
Pair: normal and paranormal
NEERC 2014 Eastern Subregional
891
289
2020
Traffic Jam in Flower Town
NEERC 2014 Eastern Subregional
1639
158
2021
Scarily interesting!
NEERC 2014 Eastern Subregional
566
451
2022
Riding a Toad
NEERC 2014 Eastern Subregional
58
3823
2023
Donald is a postman
NEERC 2014 Eastern Subregional
6678
39
2074
Timus problems classifier
Qualification of Eastern Subregional 2015
219
994
2075
Take care of your eyebrows!
Qualification of Eastern Subregional 2015
71
2812
2076
Vasiana
Qualification of Eastern Subregional 2015
18
8133
2077
Reductions
Qualification of Eastern Subregional 2015
19
7853
2190
Match of the Millennium
ICPC Ural Regional Contest Qualifier 2022
21
1390
2191
Piecewise Linear Functions
ICPC Ural Regional Contest Qualifier 2022
8
2386
2192
My Grandfather
ICPC Ural Regional Contest Qualifier 2022
21
1390
2193
Old Barabarian Rap
ICPC Ural Regional Contest Qualifier 2022
14
1789
2194
Snakes&Snakes
ICPC Ural Regional Contest Qualifier 2023
39
879
2195
Binary Trees
ICPC Ural Regional Contest Qualifier 2023
11
2052
2196
Apocalypse
ICPC Ural Regional Contest Qualifier 2023
8
2383
2197
Work is not a wolf; a wolf is to walk
ICPC Ural Regional Contest Qualifier 2024
8
2394
2198
Deep Understanding
ICPC Ural Regional Contest Qualifier 2024
20
1433
2199
Company Question
ICPC Ural Regional Contest Qualifier 2024
19
1486
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