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Problem set. Ural SU Team Contests
Solved problems:
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ID
Title
Source
Authors
Difficulty
1005
Stone Pile
USU Championship 1997
19362
79
1009
K-based Numbers
USU Championship 1997
16238
94
1014
Product of Digits
USU Local Contest. 1999
16215
93
1044
Lucky Tickets. Easy!
USU Championship 2000
12418
120
1567
SMS-spam
USU Championship 2007
10951
40
1017
Staircases
USU Local Contest. 1999
9739
156
1563
Bayan
USU Championship 2007
8213
54
1048
Superlong Sums
USU Local Contest. March 2000
7464
197
1636
Penalty Time
USU Championship 2008
6933
59
2100
Wedding Dinner
Ural FU Junior Championship 2016
6739
28
1131
Copying
USU Championship 2001
6463
76
1052
Rabbit Hunt
USU Local Contest. March 2000
6325
233
1638
Bookworm
USU Championship 2008
6255
65
1011
Conductors
USU Championship 1997
6215
244
1049
Brave Balloonists
USU Local Contest. March 2000
6010
246
1203
Scientific Conference
USU Local Contest. March 2002
6001
82
1018
Binary Apple Tree
USU Local Contest. 1999
5478
276
1126
Magnetic Storms
USU Championship 2001
5343
91
1047
Simple Calculations
USU Local Contest. March 2000
4996
295
1219
Symbolic Sequence
USU Championship 2002
4170
119
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4007
122
1039
Anniversary Party
USU Championship 2000
3915
381
1207
Median on the Plane
USU Local Contest. March 2002
3912
125
1007
Code Words
USU Championship 1997
3831
396
1935
Tears of Drowned
Ural FU Championship 2012
3803
75
1090
In the Army Now
USU Local Contest. March 2001
3501
360
1222
Chernobyl’ Eagles
USU Championship 2002
3500
141
1015
Test the Difference!
USU Local Contest. 1999
3387
446
1272
Non-Yekaterinburg Subway
USU Championship 2003
3374
148
1019
Line Painting
USU Local Contest. 1999
3303
458
1038
Spell Checker
USU Championship 2000
3123
477
1413
Mars Jumper
USU Championship 2005
2870
177
1045
Funny Game
USU Local Contest. March 2000
2853
516
1777
Anindilyakwa
Ural SU Championship 2010
2835
122
1051
Simple Game on a Grid
USU Local Contest. March 2000
2825
521
1094
E-screen
USU Local Contest. March 2001
2783
453
1740
Deer is Better!
USU Championship 2009
2709
137
1091
Tmutarakan Exams
USU Local Contest. March 2001
2422
520
1628
White Streaks
USU Championship 2008
2370
171
1208
Legendary Teams Contest
USU Local Contest. March 2002
2310
212
1249
Ancient Necropolis
USU Local Contest. March 2003
2294
216
1095
Nikifor 3
USU Local Contest. March 2001
2214
569
1204
Idempotents
USU Local Contest. March 2002
2148
228
1868
Prediction Contest
Ural FU Championship 2011
2104
150
1125
Hopscotch
USU Championship 2001
2090
233
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2069
237
1635
Mnemonics and Palindromes
USU Championship 2008
2058
197
1982
Electrification Plan
Ural FU Championship 2013
1995
131
1200
Horns and Hoofs
USU Local Contest. March 2002
1925
254
1864
Get-Together at Den's
Ural FU Championship 2011
1881
168
1016
Cube on the Walk
USU Local Contest. 1999
1867
808
1042
Central Heating
USU Championship 2000
1847
805
1931
Excellent Team
Ural FU Championship 2012
1806
159
1096
Get the Right Route Plate!
USU Local Contest. March 2001
1796
700
1220
Stacks
USU Championship 2002
1792
275
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1788
277
1346
Intervals of Monotonicity
USU Championship 2004
1710
296
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1670
295
1124
Mosaic
USU Championship 2001
1635
297
1987
Nested Segments
Ural FU Championship 2013
1635
160
1006
Square Frames
USU Championship 1997
1562
967
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1536
321
1127
Colored Bricks
USU Championship 2001
1527
318
1737
Mnemonics and Palindromes 3
USU Championship 2009
1506
246
1040
Airline Company
USU Championship 2000
1496
993
1869
New Year Cruise
Ural FU Championship 2011
1384
227
2102
Michael and Cryptography
Ural FU Junior Championship 2016
1376
135
1201
Which Day Is It?
USU Local Contest. March 2002
1360
359
1741
Communication Fiend
USU Championship 2009
1319
281
1984
Dummy Guy
Ural FU Championship 2013
1317
198
1410
Crack
USU Championship 2005
1310
386
1416
Confidential
USU Championship 2005
1279
396
1037
Memory Management
USU Championship 2000
1268
1170
1252
Sorting the Tombstones
USU Local Contest. March 2003
1238
399
1483
Table Football
USU Championship 2006
1237
381
1343
Fairy Tale
USU Championship 2004
1208
418
1217
Unlucky Tickets
USU Championship 2002
1204
408
1128
Partition into Groups
USU Championship 2001
1185
409
1414
Astronomical Database
USU Championship 2005
1169
433
1221
Malevich Strikes Back!
USU Championship 2002
1165
422
1129
Door Painting
USU Championship 2001
1133
428
1202
Rectangles Travel
USU Local Contest. March 2002
1107
440
1273
Tie
USU Championship 2003
1076
462
1562
GM-pineapple
USU Championship 2007
1062
410
1779
The Great Team
Ural SU Championship 2010
1052
326
1050
Preparing an Article
USU Local Contest. March 2000
1029
1422
1480
Coupons
USU Championship 2006
1014
464
1571
Interpreters
USU Championship 2007
972
448
1097
Square Country 2
USU Local Contest. March 2001
922
1357
1043
Cover an Arc
USU Championship 2000
912
1622
2105
Alice and Bob are on Bikes
Ural FU Junior Championship 2016
910
204
1631
Drunk King 2
USU Championship 2008
845
475
1934
Black Spot
Ural FU Championship 2012
833
341
1732
Ministry of Truth
USU Championship 2009
827
446
1989
Subpalindromes
Ural FU Championship 2013
801
325
1046
Geometrical Dreams
USU Local Contest. March 2000
781
1868
1254
Die Hard
USU Local Contest. March 2003
770
639
1776
Anniversary Firework
Ural SU Championship 2010
750
455
1783
Nuclear Arms Race
Ural SU Championship 2010
737
463
1933
Guns for Battle!
Ural FU Championship 2012
732
388
1484
Film Rating
USU Championship 2006
726
645
1486
Equal Squares
USU Championship 2006
718
652
1253
Necrologues
USU Local Contest. March 2003
703
699
1774
Barber of the Army of Mages
Ural SU Championship 2010
683
499
1250
Sea Burial
USU Local Contest. March 2003
677
725
1268
Little Chu
USU Championship 2003
671
737
1342
Enterprise
USU Championship 2004
670
749
1093
Darts
USU Local Contest. March 2001
634
1964
1564
Counting Ones
USU Championship 2007
632
685
1981
Parallel and Perpendicular
Ural FU Championship 2013
618
419
1269
Obscene Words Filter
USU Championship 2003
580
851
1339
Babies
USU Championship 2004
579
865
1418
Military Story
USU Championship 2005
551
909
1092
Transversal
USU Local Contest. March 2001
541
2295
2104
Game with a Strip
Ural FU Junior Championship 2016
536
344
1633
Hippogriffs
USU Championship 2008
524
761
1130
Nikifor's Walk
USU Championship 2001
513
935
1871
Seismic Waves
Ural FU Championship 2011
511
609
1629
Trip
USU Championship 2008
483
825
1570
Eating High
USU Championship 2007
477
903
1870
Zinium 2
Ural FU Championship 2011
458
677
1569
Networking the “Iset”
USU Championship 2007
454
948
1341
Device
USU Championship 2004
440
1132
2108
Oleg and Little Ponies
Ural FU Junior Championship 2016
431
426
1866
Poetic Foot
Ural FU Championship 2011
419
739
1419
Maps of the Island Worlds
USU Championship 2005
407
1223
1872
Spacious Office
Ural FU Championship 2011
401
771
1630
Talisman
USU Championship 2008
392
1011
1780
Gray Code
Ural SU Championship 2010
374
901
1738
Computer Security
USU Championship 2009
371
981
1775
Space Bowling
Ural SU Championship 2010
368
915
1487
Chinese Football
USU Championship 2006
364
1270
2109
Tourism on Mars
Ural FU Junior Championship 2016
363
503
1940
Not So Simple Years
Ural FU Championship 2012
346
809
1345
HTML
USU Championship 2004
345
1435
1939
First Seal
Ural FU Championship 2012
344
813
1266
Kirchhoff's Law
USU Championship 2003
334
1459
1412
Autumn Tide
USU Championship 2005
326
1518
1251
Cemetery Manager
USU Local Contest. March 2003
322
1501
1265
Mirror
USU Championship 2003
316
1540
1736
Chinese Hockey
USU Championship 2009
315
1150
1041
Nikifor
USU Championship 2000
294
4920
1932
The Secret of Identifier
Ural FU Championship 2012
294
947
1488
ACM Poker
USU Championship 2006
290
1583
1863
Peaceful Atom
Ural FU Championship 2011
288
1064
1784
Rounders
Ural SU Championship 2010
283
1181
1267
Yekaterinburg Subway
USU Championship 2003
279
1737
1338
Automobiles
USU Championship 2004
274
1793
1485
Football and Lie
USU Championship 2006
266
1720
1420
Integer-Valued Complex Division
USU Championship 2005
263
1868
1568
Train Car Sorting
USU Championship 2007
258
1642
1417
Space Poker 2
USU Championship 2005
253
1939
1862
Very Wealthy Mole
Ural FU Championship 2011
247
1234
1936
Roshambo
Ural FU Championship 2012
245
1129
1565
The Duel for Three
USU Championship 2007
235
1796
1216
Two Pawns and One King
USU Championship 2002
230
2066
1937
Davy Jones’s Organ
Ural FU Championship 2012
230
1199
1988
Planet Ocean Landing
Ural FU Championship 2013
225
1120
1986
Paul’s Salads
Ural FU Championship 2013
219
1150
1256
Cemetery Guard
USU Local Contest. March 2003
209
2275
1270
Unicube
USU Championship 2003
201
2379
1481
Winning Chances
USU Championship 2006
192
2351
1739
Faryuks
USU Championship 2009
186
1906
2110
Remove or Maximize
Ural FU Junior Championship 2016
178
998
2106
Deserialization
Ural FU Junior Championship 2016
175
1014
1634
Spider Mite
USU Championship 2008
174
2209
1734
Endgame Database
USU Championship 2009
162
2172
1782
Jack's New Word
Ural SU Championship 2010
158
2059
1781
Clean Code
Ural SU Championship 2010
157
2071
1983
Nectar Gathering
Ural FU Championship 2013
157
1576
1411
40 Islands Knights
USU Championship 2005
154
3109
2103
Corporate Mail
Ural FU Junior Championship 2016
152
1158
1482
Triangle Game
USU Championship 2006
145
3063
1566
Triangular Postcards
USU Championship 2007
132
3098
1985
Prime Square
Ural FU Championship 2013
128
1908
1735
Theft of the Century
USU Championship 2009
120
2874
1867
Nanotechnologies
Ural FU Championship 2011
118
2477
2107
Oppa Funcan Style
Ural FU Junior Championship 2016
117
1478
1637
Triangle Game 2
USU Championship 2008
113
3305
1344
Gigantic Turnip
USU Championship 2004
103
4507
2101
Knight's Shield
Ural FU Junior Championship 2016
99
1722
1271
Sailing Directions
USU Championship 2003
97
4692
1340
Cucaracha
USU Championship 2004
91
5042
1865
The Island of Märket
Ural FU Championship 2011
86
3303
1632
Lasers
USU Championship 2008
82
4419
1778
Chinese Hockey 2
Ural SU Championship 2010
70
4324
1733
Forgotten Technology
USU Championship 2009
69
4730
1938
Caribbean Triangle
Ural FU Championship 2012
48
4963
1415
Mobile Life
USU Championship 2005
44
9441
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