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Problem set. Graph Theory Problems
Solved problems:
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ID
Title
Source
Authors
Difficulty
1004
Sightseeing Trip
Central European Olympiad in Informatics 1999
2568
580
1008
Image Encoding
USTU PhysTech Cup 2000
4174
357
1016
Cube on the Walk
USU Local Contest. 1999
1853
798
1022
Genealogical Tree
Autumn School Contest 2000
10692
139
1033
Labyrinth
Ural Championship 1999
6408
231
1035
Cross-stitch
Ural Championship 1999
1111
1318
1040
Airline Company
USU Championship 2000
1480
985
1045
Funny Game
USU Local Contest. March 2000
2808
515
1056
Centers of the Net
NEERC 2000 Central Subregional
2655
543
1065
Frontier
NEERC 2000
986
1375
1069
Prufer Code
USU Personal Contest 2001
2574
515
1072
Routing
USU Personal Contest 2001
2716
488
1076
Trash
1895
695
1077
Travelling Tours
1195
398
1080
Map Coloring
Winter Mathematical Festival Varna 2001
6548
201
1085
Meeting
Spring School Contest 2001
2117
614
1096
Get the Right Route Plate!
USU Local Contest. March 2001
1768
698
1099
Work Scheduling
970
1145
1106
Two Teams
Tetrahedron Team Online Contest May 2001
6407
74
1109
Conference
Bulgarian Online Contest September 2001
1937
246
1119
Metro
Autumn School Contest 2001
6685
72
1124
Mosaic
USU Championship 2001
1611
296
1128
Partition into Groups
USU Championship 2001
1145
416
1129
Door Painting
USU Championship 2001
1102
432
1136
Parliament
NEERC 2001 Central Subregional
4833
99
1137
Bus Routes
NEERC 2001 Central Subregional
1447
330
1145
Rope in the Labyrinth
DSAP Vietnam Online Contest November 2001
1281
372
1156
Two Rounds
Ural Championship 2001. Round 2
1464
326
1160
Network
NEERC 2001 Northern Subregional
2901
168
1162
Currency Exchange
NEERC 2001 Northern Subregional
2046
234
1176
Hyperchannels
USU Personal Contest 2002
1388
345
1182
Team Them Up!
NEERC 2001
923
517
1198
Jobbery
992
501
1199
Mouse
123
3436
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2039
236
1208
Legendary Teams Contest
USU Local Contest. March 2002
2275
211
1210
Kind Spirits
Autumn School Contest 2002
2993
162
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1505
321
1227
Rally Championship
NEERC 2002 Central Subregional
1609
301
1237
Evacuation Plan
NEERC 2002
492
973
1242
Werewolf
USU Personal Contest 2003
2720
179
1250
Sea Burial
USU Local Contest. March 2003
669
721
1254
Die Hard
USU Local Contest. March 2003
744
649
1270
Unicube
USU Championship 2003
197
2383
1271
Sailing Directions
USU Championship 2003
95
4698
1272
Non-Yekaterinburg Subway
USU Championship 2003
3305
149
1277
Cops and Thieves
NEERC 2003 Central Subregional
614
791
1280
Topological Sorting
NEERC 2003 Central Subregional
3464
142
1281
River Basin
NEERC 2003 Central Subregional
346
1386
1291
Gear-wheels
Spring School Contest 2004
1262
390
1301
Cube in Labyrinth
Ural Championship 1998
658
742
1314
Chase in Subway
Ural Championship 2004. Round 1
826
593
1315
MDPAR and MIIAR
Ural Championship 2004. Round 1
249
1915
1320
Graph Decomposition
Ural Championship 2004. Round 2
1694
291
1323
Classmates
Ural Championship 2004. Round 2
596
819
1325
Dirt
Ural Championship 2004. Round 2
895
548
1329
Galactic History
Autumn School Contest 2004
1067
463
1337
Bureaucracy
Autumn School Contest 2004
314
1540
1338
Automobiles
USU Championship 2004
272
1775
1339
Babies
USU Championship 2004
561
877
1358
Cables
Spring School Contest 2005
909
545
1361
Spaceology vs. Chronistics
Ural Championship 2005. Round 2
235
2046
1367
Top Secret
Ural Championship 2005. Round 2
153
3076
1379
Cups Transportation
Ural Championship 2005. Round 1
763
650
1392
Dreaming of Stars
649
763
1399
Economical Director
32
10877
1400
Cellular Characters
Autumn School Contest 2005
905
549
1416
Confidential
USU Championship 2005
1228
405
1419
Maps of the Island Worlds
USU Championship 2005
400
1223
1421
Credit Operations
Timus Top Coders: First Challenge
901
538
1434
Buses in Vasyuki
USU Personal Contest 2006
475
1007
1441
From the History of Gringotts Bank
Ural Championship 2006
414
1145
1447
Portkey Network
Ural Championship 2006
469
1014
1449
Credit Operations 2
Timus Top Coders: Second Challenge
317
1476
1450
Russian Pipelines
Timus Top Coders: Second Challenge
2823
170
1479
Scheduled Checking
Petrozavodsk Summer 2006. Ural+Orel Contest
93
4532
1487
Chinese Football
USU Championship 2006
360
1258
1500
Pass Licenses
NEERC 2006 Eastern Subregional
718
637
1505
Oil Transfer
NEERC 2006 Eastern Subregional
151
2878
1527
Bad Roads
Petrozavodsk Winter 2007. D.Gozman Contest
376
1171
1533
Fat Hobbits
USU Personal Contest 2007
423
1041
1544
Classmates 3
Ural Championship 2007
353
1229
1557
Network Attack
Petrozavodsk Summer 2007. NSU Contest
233
1775
1569
Networking the “Iset”
USU Championship 2007
437
962
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
454
925
1580
Dean's Debts
Autumn School Contest 2007
472
891
1610
Cactuses
Ural Championship 2008
202
1951
1623
Fractal Labyrinth
Petrozavodsk Winter 2008. ITMO Contest
117
3157
1630
Talisman
USU Championship 2008
387
998
1641
Duties
Autumn School Contest 2008
786
496
1643
Attack of the Dark Fortress
Autumn School Contest 2008
929
420
1651
Shortest Subchain
NEERC 2008 Eastern Subregional
1129
346
1652
Banking Crisis
NEERC 2008 Eastern Subregional
137
2681
1664
Pipeline Transportation
Petrozavodsk Winter 2008. USU Contest
192
1930
1676
Mortal Kombat
Petrozavodsk Summer 2008. USU Contest
216
1717
1691
Algorithm Complexity
Petrozavodsk Winter 2009. USU Contest
108
3241
1699
Turning Turtles
Petrozavodsk Winter 2009. USU Contest
350
1062
1709
Penguin-Avia
Ural Championship 2009
2493
152
1721
Two Sides of the Same Coin
NEERC 2009 Eastern Subregional
635
565
1742
Team building
Petrozavodsk Summer 2009. Ufa SATU Contest
1178
299
1770
The Party of Ural Champions
Ural Championship 2010
198
1678
1806
Mobile Telegraphs
NEERC 2010 Eastern Subregional
1399
236
1833
Hopes of Rowing
Ural Championship 2011
148
2013
1837
Isenbaev's Number
Ural Championship 2011
5428
58
1847
Zamkadye
Petrozavodsk Summer 2010. USU Contest
59
4450
1882
Old Nokia
Ural Regional School Programming Contest 2011
107
2602
1888
Pilot Work Experience
NEERC 2011 Eastern Subregional
667
449
1905
Travel in Time
Ural Championship 2012
246
1083
1912
Titan Ruins: Passing through Walls
NEERC 2012 Eastern Subregional
223
1188
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1656
166
1934
Black Spot
Ural FU Championship 2012
810
336
1966
Cycling Roads
Ural FU Personal Contest 2013
376
671
1980
Road to Investor
Ural Championship 2013
402
621
1982
Electrification Plan
Ural FU Championship 2013
1911
130
2013
Neither shaken nor stirred
NEERC 2014 Eastern Subregional
244
886
2017
Best of a bad lot
NEERC 2014 Eastern Subregional
167
1271
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
454
483
2034
Caravans
Ural Regional School Programming Contest 2014
765
289
2038
Minimum Vertex Cover
Petrozavodsk Summer 2014. Ural FU Dandelion Contest
81
2446
2055
Urban Geography
Ural Championship 2015
138
1426
2093
All Roads Lead to Snowdrift
Ural FU Personal Contest 2014
125
1348
2113
Survive the flood
University academic school olympiad in informatics 2019
301
380
2127
Determinant of a Graph
Petrozavodsk Summer 2018. t.me/umnik_team Contest
22
3624
2128
Rubina's Solitaire
Later is better than never
107
951
2132
Graph Decomposition. Version 2
Later is better than never
59
1613
2140
BitMazeCraft
Ural School Programming Contest 2019
94
1021
2147
City Building
Ural School Programming Contest 2019
53
1686
2155
Quadrocopter
Ural School Programming Contest 2020
82
857
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