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Solved problems:
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ID
Title
Source
Authors
Difficulty
1293
Eniya
Spring School Contest 2004
32119
15
1409
Two Gangsters
Autumn School Contest 2005
30755
16
1264
Workdays
Autumn School Contest 2003
22157
22
1025
Democracy in Danger
Autumn School Contest 2000
21733
67
1785
Lost in Localization
Ural Regional School Programming Contest 2010
20434
16
1083
Factorials!!!
Spring School Contest 2001
19001
67
1197
Lonesome Knight
Spring School Contest 2002
16829
28
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
15431
19
1020
Rope
Autumn School Contest 2000
14693
99
1209
1, 10, 100, 1000...
Autumn School Contest 2002
13593
35
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
12950
25
1639
Chocolate 2
Autumn School Contest 2008
12032
32
1086
Cryptography
Spring School Contest 2001
12022
107
1263
Elections
Autumn School Contest 2003
11183
43
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
10901
22
1022
Genealogical Tree
Autumn School Contest 2000
10595
138
1082
Gaby Ivanushka
Spring School Contest 2001
10585
121
1327
Fuses
Autumn School Contest 2004
10524
47
1581
Teamwork
Autumn School Contest 2007
10309
41
1021
Sacrament of the Sum
Autumn School Contest 2000
10115
144
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
9721
30
1349
Farm
Spring School Contest 2005
9678
51
1493
One Step from Happiness
Autumn School Contest 2006
9629
47
1026
Questions and Answers
Autumn School Contest 2000
9270
157
1496
Spammer
Autumn School Contest 2006
9138
50
1196
History Exam
Spring School Contest 2002
8715
54
1084
Goat in the Garden
Spring School Contest 2001
8669
148
1924
Four Imps
Ural Regional School Programming Contest 2012
7342
36
1023
Buttons
Autumn School Contest 2000
6984
209
2066
Simple Expression
Ural Regional School Programming Contest 2015
6876
27
1119
Metro
Autumn School Contest 2001
6538
72
1296
Hyperjump
Spring School Contest 2004
6442
76
1290
Sabotage
Spring School Contest 2004
6153
79
1404
Easy to Hack!
Autumn School Contest 2005
6086
81
1297
Palindrome
Spring School Contest 2004
5927
82
1194
Handshakes
Spring School Contest 2002
5852
81
1723
Sandro's Book
Ural Regional School Programming Contest 2009
5800
61
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
5659
52
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5375
88
1330
Intervals
Autumn School Contest 2004
5024
97
1881
Long problem statement
Ural Regional School Programming Contest 2011
4942
59
1087
The Time to Take Stones
Spring School Contest 2001
4801
267
1214
Strange Procedure
Autumn School Contest 2002
4751
100
1024
Permutations
Autumn School Contest 2000
4711
309
1353
Milliard Vasya's Function
Spring School Contest 2005
4705
105
1118
Nontrivial Numbers
Autumn School Contest 2001
4590
102
1192
Ball in a Dream
Spring School Contest 2002
4406
107
1260
Nudnik Photographer
Autumn School Contest 2003
4381
110
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4147
64
1792
Hamming Code
Ural Regional School Programming Contest 2010
4090
79
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4057
121
1642
1D Maze
Autumn School Contest 2008
4034
95
1573
Alchemy
Autumn School Contest 2007
4010
104
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
3965
97
1494
Monobilliards
Autumn School Contest 2006
3944
115
1123
Salary
Autumn School Contest 2001
3912
120
1402
Cocktails
Autumn School Contest 2005
3855
128
1352
Mersenne Primes
Spring School Contest 2005
3801
129
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3531
139
1731
Dill
Ural Regional School Programming Contest 2009
3518
100
2002
Test Task
Ural Regional School Programming Contest 2013
3477
68
1295
Crazy Notions
Spring School Contest 2004
3214
151
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3153
102
1796
Amusement Park
Ural Regional School Programming Contest 2010
3135
103
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3025
70
2025
Line Fighting
Ural Regional School Programming Contest 2014
2954
71
1210
Kind Spirits
Autumn School Contest 2002
2947
162
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
2922
143
1576
Telephone Tariffs
Autumn School Contest 2007
2903
144
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
2830
83
1213
Cockroaches!
Autumn School Contest 2002
2820
169
1335
White Thesis
Autumn School Contest 2004
2753
178
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
2737
77
1725
Sold Out!
Ural Regional School Programming Contest 2009
2626
134
1193
Queue at the Exam
Spring School Contest 2002
2611
181
2011
Long Statement
Ural Regional School Programming Contest 2013
2557
92
1348
Goat in the Garden 2
Spring School Contest 2005
2544
193
1027
D++ Again
Autumn School Contest 2000
2391
607
1355
Bald Spot Revisited
Spring School Contest 2005
2292
214
1490
Fire Circle
Autumn School Contest 2006
2283
199
1333
Genie Bomber 2
Autumn School Contest 2004
2252
217
1640
Circle of Winter
Autumn School Contest 2008
2252
170
1491
Unreal Story
Autumn School Contest 2006
2154
211
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2133
151
1085
Meeting
Spring School Contest 2001
2101
607
1298
Knight
Spring School Contest 2004
2101
231
1726
Visits
Ural Regional School Programming Contest 2009
2045
172
2033
Devices
Ural Regional School Programming Contest 2014
2004
105
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
1978
119
2068
Game of Nuts
Ural Regional School Programming Contest 2015
1977
94
1645
Ski Race
Autumn School Contest 2008
1962
195
1122
Game
Autumn School Contest 2001
1946
241
1191
Catch the thief!
Spring School Contest 2002
1921
246
1401
Gamers
Autumn School Contest 2005
1865
264
1195
Ouths and Crosses
Spring School Contest 2002
1863
253
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1843
191
1088
Ilya Murometz
Spring School Contest 2001
1776
718
1117
Hierarchy
Autumn School Contest 2001
1719
273
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1714
187
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1669
141
1356
Something Easier
Spring School Contest 2005
1656
296
2111
Plato
University academic school olympiad in informatics 2019
1596
65
1874
Football Goal
Ural Regional School Programming Contest 2011
1591
183
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1581
301
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1577
203
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1567
168
1294
Mars Satellites
Spring School Contest 2004
1561
310
1190
Bar of Chocolate
Spring School Contest 2002
1547
305
1089
Verification with the Dictionary
Spring School Contest 2001
1531
832
1497
Cutting a Square
Autumn School Contest 2006
1515
299
1211
Collective Guarantee
Autumn School Contest 2002
1496
318
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1477
197
1116
Piecewise Constant Function
Autumn School Contest 2001
1448
323
1261
Tips
Autumn School Contest 2003
1448
332
1406
Next Number
Autumn School Contest 2005
1444
340
1403
Courier
Autumn School Contest 2005
1400
351
1121
Branches
Autumn School Contest 2001
1375
340
1495
One-two, One-two 2
Autumn School Contest 2006
1341
338
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1329
241
1292
Mars Space Stations
Spring School Contest 2004
1300
372
1407
One-two, One-two
Autumn School Contest 2005
1286
382
1262
Pseudo-Roman Number
Autumn School Contest 2003
1258
382
1350
Canteen
Spring School Contest 2005
1252
390
1259
How to Become Star?
Autumn School Contest 2003
1228
392
1291
Gear-wheels
Spring School Contest 2004
1226
394
1574
Mathematicians and brackets
Autumn School Contest 2007
1168
357
1258
Pool
Autumn School Contest 2003
1158
415
1489
Points on a Parallelepiped
Autumn School Contest 2006
1145
395
1329
Galactic History
Autumn School Contest 2004
1046
465
1648
Yachts
Autumn School Contest 2008
1031
370
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1003
184
2069
Hard Rock
Ural Regional School Programming Contest 2015
966
191
1212
Battleship
Autumn School Contest 2002
946
500
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
924
528
1334
Checkers
Autumn School Contest 2004
909
534
1922
Superhero Team
Ural Regional School Programming Contest 2012
909
288
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
907
100
2073
Log Files
Ural Regional School Programming Contest 2015
905
204
1643
Attack of the Dark Fortress
Autumn School Contest 2008
900
423
1400
Cellular Characters
Autumn School Contest 2005
899
544
1358
Cables
Spring School Contest 2005
891
547
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
880
210
1577
E-mail
Autumn School Contest 2007
875
475
1579
Coat Transportation
Autumn School Contest 2007
854
486
1793
Tray 2
Ural Regional School Programming Contest 2010
854
374
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
846
342
1332
Genie Bomber
Autumn School Contest 2004
787
616
2142
Magic
Ural School Programming Contest 2019
783
115
1641
Duties
Autumn School Contest 2008
779
488
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
755
346
2034
Caravans
Ural Regional School Programming Contest 2014
733
284
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
732
251
2003
Simple Magic
Ural Regional School Programming Contest 2013
718
325
2024
Adventure Time
Ural Regional School Programming Contest 2014
710
293
2149
Pigeonhole Principle
Ural School Programming Contest 2019
692
130
1405
Goat in the Garden 5
Autumn School Contest 2005
689
708
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
688
506
2065
Different Sums
Ural Regional School Programming Contest 2015
684
269
2067
Friends and Berries
Ural Regional School Programming Contest 2015
649
283
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
573
606
2115
The Knowledge Day
University academic school olympiad in informatics 2019
560
182
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
544
638
1923
Scary Politics
Ural Regional School Programming Contest 2012
519
500
1498
Stroke at Full Speed
Autumn School Contest 2006
515
869
1331
Vladislava
Autumn School Contest 2004
482
997
1578
Mammoth Hunt
Autumn School Contest 2007
475
866
1647
Divide an Island!
Autumn School Contest 2008
467
807
1580
Dean's Debts
Autumn School Contest 2007
463
888
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
449
915
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
445
464
1646
Godzilla Strikes Back!
Autumn School Contest 2008
443
850
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
443
466
1884
Way to the University
Ural Regional School Programming Contest 2011
439
653
2063
Black and White
Ural Regional School Programming Contest 2015
424
430
2141
Sasha Vilkin
Ural School Programming Contest 2019
420
213
1408
Polynomial Multiplication
Autumn School Contest 2005
408
1183
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
406
1185
2144
Cleaning the Room
Ural School Programming Contest 2019
402
222
1359
Construction
Spring School Contest 2005
399
1205
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
394
523
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
363
709
1328
Fireball
Autumn School Contest 2004
346
1378
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
346
594
1347
Blog
Spring School Contest 2005
343
1396
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
337
681
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
317
570
1299
Psylonians
Spring School Contest 2004
316
1495
1875
Angry Birds
Ural Regional School Programming Contest 2011
313
907
1337
Bureaucracy
Autumn School Contest 2004
312
1524
1730
ManBearPig
Ural Regional School Programming Contest 2009
311
1101
2009
Canteen Line
Ural Regional School Programming Contest 2013
303
755
1499
Kerchiefs
Autumn School Contest 2006
302
1462
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
298
686
2145
Olympiad for Everyone
Ural School Programming Contest 2019
287
308
2113
Survive the flood
University academic school olympiad in informatics 2019
276
362
1257
Hyphenation
Autumn School Contest 2003
273
1713
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
270
944
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
267
763
1722
Observation Deck
Ural Regional School Programming Contest 2009
266
1280
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
250
1017
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
247
1140
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
241
1286
2008
Swifty
Ural Regional School Programming Contest 2013
237
957
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
229
1351
1492
Vasya's Dad 2
Autumn School Contest 2006
220
1983
1921
Chaos and Order
Ural Regional School Programming Contest 2012
217
1165
2064
Caterpillars
Ural Regional School Programming Contest 2015
211
844
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
208
1344
2148
Insane Shot
Ural School Programming Contest 2019
186
467
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
182
540
2146
Quiz Show
Ural School Programming Contest 2019
157
548
2112
Battle log
University academic school olympiad in informatics 2019
150
648
2143
Victoria!
Ural School Programming Contest 2019
144
594
2116
He is not a knight for you
University academic school olympiad in informatics 2019
134
720
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
127
1725
2114
My craft
University academic school olympiad in informatics 2019
119
803
2156
Interesting Conversations
Ural School Programming Contest 2020
119
494
1882
Old Nokia
Ural Regional School Programming Contest 2011
102
2616
2140
BitMazeCraft
Ural School Programming Contest 2019
88
934
2151
Mahjong
Ural School Programming Contest 2020
82
692
2153
Perfect Squad
Ural School Programming Contest 2020
76
741
2152
Tax Fees
Ural School Programming Contest 2020
66
838
2155
Quadrocopter
Ural School Programming Contest 2020
61
897
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
54
3694
2150
4B and Zoo
Ural School Programming Contest 2020
48
1098
2147
City Building
Ural School Programming Contest 2019
46
1635
2157
Skydiving
Ural School Programming Contest 2020
45
1158
2154
Flight on a Cannonball
Ural School Programming Contest 2020
20
2123
2139
Experiment with Juice
Ural School Programming Contest 2019
11
4359
Solved problems:
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