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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
19388
79
1009
K-based Numbers
USU Championship 1997
16247
94
1014
Product of Digits
USU Local Contest. 1999
16225
94
1044
Lucky Tickets. Easy!
USU Championship 2000
12427
120
1567
SMS-spam
USU Championship 2007
10961
40
1017
Staircases
USU Local Contest. 1999
9745
156
1563
Bayan
USU Championship 2007
8220
54
1048
Superlong Sums
USU Local Contest. March 2000
7466
197
1636
Penalty Time
USU Championship 2008
6937
59
2100
Wedding Dinner
Ural FU Junior Championship 2016
6761
28
1131
Copying
USU Championship 2001
6466
76
1052
Rabbit Hunt
USU Local Contest. March 2000
6328
233
1638
Bookworm
USU Championship 2008
6264
65
1011
Conductors
USU Championship 1997
6219
244
1049
Brave Balloonists
USU Local Contest. March 2000
6013
246
1203
Scientific Conference
USU Local Contest. March 2002
6006
82
1018
Binary Apple Tree
USU Local Contest. 1999
5484
276
1126
Magnetic Storms
USU Championship 2001
5348
91
1047
Simple Calculations
USU Local Contest. March 2000
4998
295
1219
Symbolic Sequence
USU Championship 2002
4174
119
1206
Sum of Digits of the Sum of Numbers
USU Local Contest. March 2002
4008
123
1207
Median on the Plane
USU Local Contest. March 2002
3925
125
1039
Anniversary Party
USU Championship 2000
3922
381
1007
Code Words
USU Championship 1997
3833
396
1935
Tears of Drowned
Ural FU Championship 2012
3806
76
1090
In the Army Now
USU Local Contest. March 2001
3508
360
1222
Chernobyl’ Eagles
USU Championship 2002
3500
141
1015
Test the Difference!
USU Local Contest. 1999
3390
446
1272
Non-Yekaterinburg Subway
USU Championship 2003
3387
148
1019
Line Painting
USU Local Contest. 1999
3306
458
1038
Spell Checker
USU Championship 2000
3126
477
1413
Mars Jumper
USU Championship 2005
2872
177
1045
Funny Game
USU Local Contest. March 2000
2861
515
1777
Anindilyakwa
Ural SU Championship 2010
2836
122
1051
Simple Game on a Grid
USU Local Contest. March 2000
2826
521
1094
E-screen
USU Local Contest. March 2001
2786
453
1740
Deer is Better!
USU Championship 2009
2709
138
1091
Tmutarakan Exams
USU Local Contest. March 2001
2426
520
1628
White Streaks
USU Championship 2008
2405
169
1208
Legendary Teams Contest
USU Local Contest. March 2002
2314
212
1249
Ancient Necropolis
USU Local Contest. March 2003
2296
216
1095
Nikifor 3
USU Local Contest. March 2001
2217
568
1204
Idempotents
USU Local Contest. March 2002
2150
228
1868
Prediction Contest
Ural FU Championship 2011
2104
150
1125
Hopscotch
USU Championship 2001
2091
233
1205
By the Underground or by Foot?
USU Local Contest. March 2002
2070
237
1635
Mnemonics and Palindromes
USU Championship 2008
2058
197
1982
Electrification Plan
Ural FU Championship 2013
2000
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
1870
807
1042
Central Heating
USU Championship 2000
1850
805
1931
Excellent Team
Ural FU Championship 2012
1806
159
1096
Get the Right Route Plate!
USU Local Contest. March 2001
1801
699
1220
Stacks
USU Championship 2002
1793
275
1255
Graveyard of the Cosa Nostra
USU Local Contest. March 2003
1791
277
1346
Intervals of Monotonicity
USU Championship 2004
1711
296
1223
Chernobyl’ Eagle on a Roof
USU Championship 2002
1674
295
1124
Mosaic
USU Championship 2001
1638
297
1987
Nested Segments
Ural FU Championship 2013
1635
160
1006
Square Frames
USU Championship 1997
1563
968
1218
Episode N-th: The Jedi Tournament
USU Championship 2002
1537
321
1127
Colored Bricks
USU Championship 2001
1528
318
1737
Mnemonics and Palindromes 3
USU Championship 2009
1508
246
1040
Airline Company
USU Championship 2000
1499
992
1869
New Year Cruise
Ural FU Championship 2011
1385
228
2102
Michael and Cryptography
Ural FU Junior Championship 2016
1376
136
1201
Which Day Is It?
USU Local Contest. March 2002
1360
359
1741
Communication Fiend
USU Championship 2009
1320
281
1984
Dummy Guy
Ural FU Championship 2013
1317
199
1410
Crack
USU Championship 2005
1312
386
1416
Confidential
USU Championship 2005
1280
396
1037
Memory Management
USU Championship 2000
1269
1171
1252
Sorting the Tombstones
USU Local Contest. March 2003
1240
399
1483
Table Football
USU Championship 2006
1237
381
1343
Fairy Tale
USU Championship 2004
1210
418
1217
Unlucky Tickets
USU Championship 2002
1204
409
1128
Partition into Groups
USU Championship 2001
1187
409
1414
Astronomical Database
USU Championship 2005
1170
432
1221
Malevich Strikes Back!
USU Championship 2002
1168
421
1129
Door Painting
USU Championship 2001
1135
428
1202
Rectangles Travel
USU Local Contest. March 2002
1107
441
1562
GM-pineapple
USU Championship 2007
1084
403
1273
Tie
USU Championship 2003
1077
462
1779
The Great Team
Ural SU Championship 2010
1052
326
1050
Preparing an Article
USU Local Contest. March 2000
1030
1422
1480
Coupons
USU Championship 2006
1014
464
1571
Interpreters
USU Championship 2007
974
448
1097
Square Country 2
USU Local Contest. March 2001
925
1353
1043
Cover an Arc
USU Championship 2000
914
1620
2105
Alice and Bob are on Bikes
Ural FU Junior Championship 2016
914
204
1631
Drunk King 2
USU Championship 2008
846
475
1934
Black Spot
Ural FU Championship 2012
840
339
1732
Ministry of Truth
USU Championship 2009
827
447
1989
Subpalindromes
Ural FU Championship 2013
802
325
1046
Geometrical Dreams
USU Local Contest. March 2000
783
1865
1254
Die Hard
USU Local Contest. March 2003
770
639
1776
Anniversary Firework
Ural SU Championship 2010
752
455
1783
Nuclear Arms Race
Ural SU Championship 2010
738
463
1933
Guns for Battle!
Ural FU Championship 2012
733
388
1484
Film Rating
USU Championship 2006
727
645
1486
Equal Squares
USU Championship 2006
719
652
1253
Necrologues
USU Local Contest. March 2003
703
699
1774
Barber of the Army of Mages
Ural SU Championship 2010
684
499
1250
Sea Burial
USU Local Contest. March 2003
677
726
1268
Little Chu
USU Championship 2003
672
737
1342
Enterprise
USU Championship 2004
672
747
1093
Darts
USU Local Contest. March 2001
636
1959
1564
Counting Ones
USU Championship 2007
633
685
1981
Parallel and Perpendicular
Ural FU Championship 2013
619
419
1269
Obscene Words Filter
USU Championship 2003
580
852
1339
Babies
USU Championship 2004
580
864
1418
Military Story
USU Championship 2005
551
910
1092
Transversal
USU Local Contest. March 2001
543
2288
2104
Game with a Strip
Ural FU Junior Championship 2016
536
345
1633
Hippogriffs
USU Championship 2008
525
761
1130
Nikifor's Walk
USU Championship 2001
514
934
1871
Seismic Waves
Ural FU Championship 2011
511
610
1629
Trip
USU Championship 2008
484
824
1570
Eating High
USU Championship 2007
477
904
1870
Zinium 2
Ural FU Championship 2011
459
677
1569
Networking the “Iset”
USU Championship 2007
454
949
1341
Device
USU Championship 2004
442
1128
2108
Oleg and Little Ponies
Ural FU Junior Championship 2016
432
426
1866
Poetic Foot
Ural FU Championship 2011
419
740
1419
Maps of the Island Worlds
USU Championship 2005
407
1224
1872
Spacious Office
Ural FU Championship 2011
401
773
1630
Talisman
USU Championship 2008
394
1007
1780
Gray Code
Ural SU Championship 2010
374
902
1738
Computer Security
USU Championship 2009
371
982
1775
Space Bowling
Ural SU Championship 2010
368
916
1487
Chinese Football
USU Championship 2006
364
1271
2109
Tourism on Mars
Ural FU Junior Championship 2016
364
503
1940
Not So Simple Years
Ural FU Championship 2012
349
803
1345
HTML
USU Championship 2004
345
1436
1939
First Seal
Ural FU Championship 2012
345
812
1266
Kirchhoff's Law
USU Championship 2003
334
1461
1412
Autumn Tide
USU Championship 2005
326
1519
1251
Cemetery Manager
USU Local Contest. March 2003
322
1502
1265
Mirror
USU Championship 2003
316
1541
1736
Chinese Hockey
USU Championship 2009
315
1151
1041
Nikifor
USU Championship 2000
294
4925
1932
The Secret of Identifier
Ural FU Championship 2012
294
949
1488
ACM Poker
USU Championship 2006
290
1584
1863
Peaceful Atom
Ural FU Championship 2011
289
1062
1784
Rounders
Ural SU Championship 2010
283
1182
1267
Yekaterinburg Subway
USU Championship 2003
279
1739
1338
Automobiles
USU Championship 2004
274
1795
1485
Football and Lie
USU Championship 2006
266
1722
1420
Integer-Valued Complex Division
USU Championship 2005
263
1869
1568
Train Car Sorting
USU Championship 2007
258
1643
1417
Space Poker 2
USU Championship 2005
253
1940
1862
Very Wealthy Mole
Ural FU Championship 2011
247
1236
1936
Roshambo
Ural FU Championship 2012
247
1122
1565
The Duel for Three
USU Championship 2007
235
1798
1937
Davy Jones’s Organ
Ural FU Championship 2012
231
1197
1216
Two Pawns and One King
USU Championship 2002
230
2068
1988
Planet Ocean Landing
Ural FU Championship 2013
227
1113
1986
Paul’s Salads
Ural FU Championship 2013
219
1152
1256
Cemetery Guard
USU Local Contest. March 2003
209
2277
1270
Unicube
USU Championship 2003
201
2381
1481
Winning Chances
USU Championship 2006
192
2353
1739
Faryuks
USU Championship 2009
186
1909
2110
Remove or Maximize
Ural FU Junior Championship 2016
178
1002
2106
Deserialization
Ural FU Junior Championship 2016
175
1018
1634
Spider Mite
USU Championship 2008
174
2212
1734
Endgame Database
USU Championship 2009
163
2163
1782
Jack's New Word
Ural SU Championship 2010
158
2062
1781
Clean Code
Ural SU Championship 2010
157
2074
1983
Nectar Gathering
Ural FU Championship 2013
157
1580
1411
40 Islands Knights
USU Championship 2005
154
3112
2103
Corporate Mail
Ural FU Junior Championship 2016
152
1162
1482
Triangle Game
USU Championship 2006
146
3046
1566
Triangular Postcards
USU Championship 2007
132
3101
1985
Prime Square
Ural FU Championship 2013
129
1898
1735
Theft of the Century
USU Championship 2009
120
2878
1867
Nanotechnologies
Ural FU Championship 2011
118
2481
2107
Oppa Funcan Style
Ural FU Junior Championship 2016
117
1483
1637
Triangle Game 2
USU Championship 2008
113
3309
1344
Gigantic Turnip
USU Championship 2004
103
4510
2101
Knight's Shield
Ural FU Junior Championship 2016
99
1728
1271
Sailing Directions
USU Championship 2003
97
4696
1340
Cucaracha
USU Championship 2004
92
4997
1865
The Island of Märket
Ural FU Championship 2011
86
3308
1632
Lasers
USU Championship 2008
82
4424
1778
Chinese Hockey 2
Ural SU Championship 2010
70
4330
1733
Forgotten Technology
USU Championship 2009
69
4736
1938
Caribbean Triangle
Ural FU Championship 2012
48
4973
1415
Mobile Life
USU Championship 2005
44
9448
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