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Problem set. Ural SU Team Contests
Solved problems:
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ID
Title
Source
Authors
Difficulty
2100
Wedding Dinner
Ural FU Junior Championship 2016
6749
28
1567
SMS-spam
USU Championship 2007
10955
40
1563
Bayan
USU Championship 2007
8216
54
1636
Penalty Time
USU Championship 2008
6936
59
1638
Bookworm
USU Championship 2008
6260
65
1131
Copying
USU Championship 2001
6464
76
1935
Tears of Drowned
Ural FU Championship 2012
3804
76
1005
Stone Pile
USU Championship 1997
19369
79
1203
Scientific Conference
USU Local Contest. March 2002
6004
82
1126
Magnetic Storms
USU Championship 2001
5346
91
1014
Product of Digits
USU Local Contest. 1999
16220
93
1009
K-based Numbers
USU Championship 1997
16245
94
1219
Symbolic Sequence
USU Championship 2002
4171
119
1044
Lucky Tickets. Easy!
USU Championship 2000
12419
120
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4007
122
1777
Anindilyakwa
Ural SU Championship 2010
2835
122
1207
Median on the Plane
USU Local Contest. March 2002
3913
125
1982
Electrification Plan
Ural FU Championship 2013
1997
131
2102
Michael and Cryptography
Ural FU Junior Championship 2016
1376
136
1740
Deer is Better!
USU Championship 2009
2709
137
1222
Chernobyl’ Eagles
USU Championship 2002
3500
141
1272
Non-Yekaterinburg Subway
USU Championship 2003
3386
148
1868
Prediction Contest
Ural FU Championship 2011
2104
150
1017
Staircases
USU Local Contest. 1999
9742
156
1931
Excellent Team
Ural FU Championship 2012
1806
159
1987
Nested Segments
Ural FU Championship 2013
1635
160
1864
Get-Together at Den's
Ural FU Championship 2011
1881
168
1628
White Streaks
USU Championship 2008
2376
170
1413
Mars Jumper
USU Championship 2005
2871
177
1048
Superlong Sums
USU Local Contest. March 2000
7464
197
1635
Mnemonics and Palindromes
USU Championship 2008
2058
197
1984
Dummy Guy
Ural FU Championship 2013
1317
199
2105
Alice and Bob are on Bikes
Ural FU Junior Championship 2016
913
204
1208
Legendary Teams Contest
USU Local Contest. March 2002
2313
212
1249
Ancient Necropolis
USU Local Contest. March 2003
2296
216
1869
New Year Cruise
Ural FU Championship 2011
1385
227
1204
Idempotents
USU Local Contest. March 2002
2148
228
1052
Rabbit Hunt
USU Local Contest. March 2000
6325
233
1125
Hopscotch
USU Championship 2001
2090
233
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2069
237
1011
Conductors
USU Championship 1997
6218
244
1049
Brave Balloonists
USU Local Contest. March 2000
6011
246
1737
Mnemonics and Palindromes 3
USU Championship 2009
1506
247
1200
Horns and Hoofs
USU Local Contest. March 2002
1925
254
1220
Stacks
USU Championship 2002
1792
275
1018
Binary Apple Tree
USU Local Contest. 1999
5481
276
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1789
277
1741
Communication Fiend
USU Championship 2009
1320
281
1047
Simple Calculations
USU Local Contest. March 2000
4996
295
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1671
295
1346
Intervals of Monotonicity
USU Championship 2004
1710
296
1124
Mosaic
USU Championship 2001
1636
297
1127
Colored Bricks
USU Championship 2001
1527
318
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1536
321
1989
Subpalindromes
Ural FU Championship 2013
802
324
1779
The Great Team
Ural SU Championship 2010
1052
326
1934
Black Spot
Ural FU Championship 2012
835
341
2104
Game with a Strip
Ural FU Junior Championship 2016
536
344
1201
Which Day Is It?
USU Local Contest. March 2002
1360
359
1090
In the Army Now
USU Local Contest. March 2001
3505
360
1039
Anniversary Party
USU Championship 2000
3920
381
1483
Table Football
USU Championship 2006
1237
381
1410
Crack
USU Championship 2005
1310
386
1933
Guns for Battle!
Ural FU Championship 2012
733
388
1007
Code Words
USU Championship 1997
3832
396
1416
Confidential
USU Championship 2005
1279
396
1252
Sorting the Tombstones
USU Local Contest. March 2003
1238
399
1562
GM-pineapple
USU Championship 2007
1069
408
1128
Partition into Groups
USU Championship 2001
1187
409
1217
Unlucky Tickets
USU Championship 2002
1204
409
1343
Fairy Tale
USU Championship 2004
1208
418
1981
Parallel and Perpendicular
Ural FU Championship 2013
618
420
1221
Malevich Strikes Back!
USU Championship 2002
1166
422
2108
Oleg and Little Ponies
Ural FU Junior Championship 2016
431
426
1129
Door Painting
USU Championship 2001
1135
427
1414
Astronomical Database
USU Championship 2005
1169
433
1202
Rectangles Travel
USU Local Contest. March 2002
1107
440
1015
Test the Difference!
USU Local Contest. 1999
3388
446
1732
Ministry of Truth
USU Championship 2009
827
447
1571
Interpreters
USU Championship 2007
973
448
1094
E-screen
USU Local Contest. March 2001
2784
453
1776
Anniversary Firework
Ural SU Championship 2010
751
455
1019
Line Painting
USU Local Contest. 1999
3304
458
1273
Tie
USU Championship 2003
1076
462
1783
Nuclear Arms Race
Ural SU Championship 2010
738
463
1480
Coupons
USU Championship 2006
1014
464
1631
Drunk King 2
USU Championship 2008
845
476
1038
Spell Checker
USU Championship 2000
3125
477
1774
Barber of the Army of Mages
Ural SU Championship 2010
684
499
2109
Tourism on Mars
Ural FU Junior Championship 2016
364
502
1045
Funny Game
USU Local Contest. March 2000
2854
516
1091
Tmutarakan Exams
USU Local Contest. March 2001
2424
520
1051
Simple Game on a Grid
USU Local Contest. March 2000
2826
521
1095
Nikifor 3
USU Local Contest. March 2001
2216
568
1871
Seismic Waves
Ural FU Championship 2011
511
609
1254
Die Hard
USU Local Contest. March 2003
770
639
1484
Film Rating
USU Championship 2006
727
644
1486
Equal Squares
USU Championship 2006
719
652
1870
Zinium 2
Ural FU Championship 2011
458
678
1564
Counting Ones
USU Championship 2007
632
686
1253
Necrologues
USU Local Contest. March 2003
703
699
1096
Get the Right Route Plate!
USU Local Contest. March 2001
1797
700
1250
Sea Burial
USU Local Contest. March 2003
677
726
1268
Little Chu
USU Championship 2003
672
736
1866
Poetic Foot
Ural FU Championship 2011
419
740
1342
Enterprise
USU Championship 2004
671
748
1633
Hippogriffs
USU Championship 2008
524
762
1872
Spacious Office
Ural FU Championship 2011
401
772
1042
Central Heating
USU Championship 2000
1848
805
1016
Cube on the Walk
USU Local Contest. 1999
1869
807
1940
Not So Simple Years
Ural FU Championship 2012
346
809
1939
First Seal
Ural FU Championship 2012
344
814
1629
Trip
USU Championship 2008
483
825
1269
Obscene Words Filter
USU Championship 2003
580
851
1339
Babies
USU Championship 2004
580
863
1780
Gray Code
Ural SU Championship 2010
374
901
1570
Eating High
USU Championship 2007
477
904
1418
Military Story
USU Championship 2005
551
909
1775
Space Bowling
Ural SU Championship 2010
368
916
1130
Nikifor's Walk
USU Championship 2001
514
934
1932
The Secret of Identifier
Ural FU Championship 2012
294
948
1569
Networking the “Iset”
USU Championship 2007
454
949
1006
Square Frames
USU Championship 1997
1563
967
1738
Computer Security
USU Championship 2009
371
981
1040
Airline Company
USU Championship 2000
1497
993
2110
Remove or Maximize
Ural FU Junior Championship 2016
178
999
1630
Talisman
USU Championship 2008
392
1012
2106
Deserialization
Ural FU Junior Championship 2016
175
1016
1863
Peaceful Atom
Ural FU Championship 2011
288
1065
1988
Planet Ocean Landing
Ural FU Championship 2013
227
1112
1341
Device
USU Championship 2004
441
1130
1936
Roshambo
Ural FU Championship 2012
245
1130
1736
Chinese Hockey
USU Championship 2009
315
1150
1986
Paul’s Salads
Ural FU Championship 2013
219
1150
2103
Corporate Mail
Ural FU Junior Championship 2016
152
1160
1037
Memory Management
USU Championship 2000
1269
1170
1784
Rounders
Ural SU Championship 2010
283
1181
1937
Davy Jones’s Organ
Ural FU Championship 2012
230
1200
1419
Maps of the Island Worlds
USU Championship 2005
407
1223
1862
Very Wealthy Mole
Ural FU Championship 2011
247
1234
1487
Chinese Football
USU Championship 2006
364
1270
1097
Square Country 2
USU Local Contest. March 2001
923
1356
1050
Preparing an Article
USU Local Contest. March 2000
1030
1421
1345
HTML
USU Championship 2004
345
1435
1266
Kirchhoff's Law
USU Championship 2003
334
1460
2107
Oppa Funcan Style
Ural FU Junior Championship 2016
117
1479
1251
Cemetery Manager
USU Local Contest. March 2003
322
1501
1412
Autumn Tide
USU Championship 2005
326
1518
1265
Mirror
USU Championship 2003
316
1540
1983
Nectar Gathering
Ural FU Championship 2013
157
1578
1488
ACM Poker
USU Championship 2006
290
1583
1043
Cover an Arc
USU Championship 2000
912
1623
1568
Train Car Sorting
USU Championship 2007
258
1642
1485
Football and Lie
USU Championship 2006
266
1721
2101
Knight's Shield
Ural FU Junior Championship 2016
99
1724
1267
Yekaterinburg Subway
USU Championship 2003
279
1738
1338
Automobiles
USU Championship 2004
274
1794
1565
The Duel for Three
USU Championship 2007
235
1796
1046
Geometrical Dreams
USU Local Contest. March 2000
781
1868
1420
Integer-Valued Complex Division
USU Championship 2005
263
1868
1739
Faryuks
USU Championship 2009
186
1907
1985
Prime Square
Ural FU Championship 2013
128
1909
1417
Space Poker 2
USU Championship 2005
253
1939
1093
Darts
USU Local Contest. March 2001
635
1961
1782
Jack's New Word
Ural SU Championship 2010
158
2060
1216
Two Pawns and One King
USU Championship 2002
230
2067
1781
Clean Code
Ural SU Championship 2010
157
2072
1734
Endgame Database
USU Championship 2009
162
2173
1634
Spider Mite
USU Championship 2008
174
2210
1256
Cemetery Guard
USU Local Contest. March 2003
209
2276
1092
Transversal
USU Local Contest. March 2001
541
2295
1481
Winning Chances
USU Championship 2006
192
2351
1270
Unicube
USU Championship 2003
201
2380
1867
Nanotechnologies
Ural FU Championship 2011
118
2478
1735
Theft of the Century
USU Championship 2009
120
2876
1482
Triangle Game
USU Championship 2006
145
3064
1566
Triangular Postcards
USU Championship 2007
132
3099
1411
40 Islands Knights
USU Championship 2005
154
3110
1865
The Island of Märket
Ural FU Championship 2011
86
3305
1637
Triangle Game 2
USU Championship 2008
113
3307
1778
Chinese Hockey 2
Ural SU Championship 2010
70
4326
1632
Lasers
USU Championship 2008
82
4421
1344
Gigantic Turnip
USU Championship 2004
103
4508
1271
Sailing Directions
USU Championship 2003
97
4693
1733
Forgotten Technology
USU Championship 2009
69
4732
1041
Nikifor
USU Championship 2000
294
4922
1938
Caribbean Triangle
Ural FU Championship 2012
48
4966
1340
Cucaracha
USU Championship 2004
92
4994
1415
Mobile Life
USU Championship 2005
44
9443
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