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Problem set. School Contests
Solved problems:
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difficulty
ID
Title
Source
Authors
Difficulty
1020
Rope
Autumn School Contest 2000
15736
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10626
147
1022
Genealogical Tree
Autumn School Contest 2000
11048
142
1023
Buttons
Autumn School Contest 2000
7221
217
1024
Permutations
Autumn School Contest 2000
4876
321
1025
Democracy in Danger
Autumn School Contest 2000
23430
67
1026
Questions and Answers
Autumn School Contest 2000
10070
156
1027
D++ Again
Autumn School Contest 2000
2450
637
1082
Gaby Ivanushka
Spring School Contest 2001
10910
126
1083
Factorials!!!
Spring School Contest 2001
20266
68
1084
Goat in the Garden
Spring School Contest 2001
9176
150
1085
Meeting
Spring School Contest 2001
2194
625
1086
Cryptography
Spring School Contest 2001
12948
106
1087
The Time to Take Stones
Spring School Contest 2001
4981
276
1088
Ilya Murometz
Spring School Contest 2001
1826
750
1089
Verification with the Dictionary
Spring School Contest 2001
1630
840
1116
Piecewise Constant Function
Autumn School Contest 2001
1514
332
1117
Hierarchy
Autumn School Contest 2001
1800
279
1118
Nontrivial Numbers
Autumn School Contest 2001
4887
103
1119
Metro
Autumn School Contest 2001
7221
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5843
86
1121
Branches
Autumn School Contest 2001
1426
352
1122
Game
Autumn School Contest 2001
2012
250
1123
Salary
Autumn School Contest 2001
4139
122
1190
Bar of Chocolate
Spring School Contest 2002
1490
339
1191
Catch the thief!
Spring School Contest 2002
2041
248
1192
Ball in a Dream
Spring School Contest 2002
4637
109
1193
Queue at the Exam
Spring School Contest 2002
2801
181
1194
Handshakes
Spring School Contest 2002
6095
83
1195
Ouths and Crosses
Spring School Contest 2002
1949
260
1196
History Exam
Spring School Contest 2002
9696
52
1197
Lonesome Knight
Spring School Contest 2002
18342
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15002
34
1210
Kind Spirits
Autumn School Contest 2002
3002
170
1211
Collective Guarantee
Autumn School Contest 2002
1642
310
1212
Battleship
Autumn School Contest 2002
1030
493
1213
Cockroaches!
Autumn School Contest 2002
2991
171
1214
Strange Procedure
Autumn School Contest 2002
4997
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1695
300
1257
Hyphenation
Autumn School Contest 2003
288
1739
1258
Pool
Autumn School Contest 2003
1231
418
1259
How to Become Star?
Autumn School Contest 2003
1297
397
1260
Nudnik Photographer
Autumn School Contest 2003
4650
111
1261
Tips
Autumn School Contest 2003
1564
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1318
390
1263
Elections
Autumn School Contest 2003
12184
43
1264
Workdays
Autumn School Contest 2003
24735
21
1290
Sabotage
Spring School Contest 2004
6484
80
1291
Gear-wheels
Spring School Contest 2004
1351
383
1292
Mars Space Stations
Spring School Contest 2004
1361
380
1293
Eniya
Spring School Contest 2004
35973
14
1294
Mars Satellites
Spring School Contest 2004
1635
317
1295
Crazy Notions
Spring School Contest 2004
3433
151
1296
Hyperjump
Spring School Contest 2004
8365
62
1297
Palindrome
Spring School Contest 2004
6333
82
1298
Knight
Spring School Contest 2004
2225
233
1299
Psylonians
Spring School Contest 2004
329
1536
1327
Fuses
Autumn School Contest 2004
11148
47
1328
Fireball
Autumn School Contest 2004
361
1412
1329
Galactic History
Autumn School Contest 2004
1138
456
1330
Intervals
Autumn School Contest 2004
5474
96
1331
Vladislava
Autumn School Contest 2004
520
988
1332
Genie Bomber
Autumn School Contest 2004
843
614
1333
Genie Bomber 2
Autumn School Contest 2004
2392
218
1334
Checkers
Autumn School Contest 2004
960
540
1335
White Thesis
Autumn School Contest 2004
2866
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4265
123
1337
Bureaucracy
Autumn School Contest 2004
332
1532
1347
Blog
Spring School Contest 2005
375
1366
1348
Goat in the Garden 2
Spring School Contest 2005
2942
178
1349
Farm
Spring School Contest 2005
10359
51
1350
Canteen
Spring School Contest 2005
1345
388
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
999
521
1352
Mersenne Primes
Spring School Contest 2005
3982
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5087
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3786
139
1355
Bald Spot Revisited
Spring School Contest 2005
2471
212
1356
Something Easier
Spring School Contest 2005
1756
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
433
1187
1358
Cables
Spring School Contest 2005
965
539
1359
Construction
Spring School Contest 2005
441
1166
1400
Cellular Characters
Autumn School Contest 2005
952
548
1401
Gamers
Autumn School Contest 2005
3165
166
1402
Cocktails
Autumn School Contest 2005
4047
130
1403
Courier
Autumn School Contest 2005
1499
350
1404
Easy to Hack!
Autumn School Contest 2005
6622
80
1405
Goat in the Garden 5
Autumn School Contest 2005
731
712
1406
Next Number
Autumn School Contest 2005
1517
345
1407
One-two, One-two
Autumn School Contest 2005
1354
387
1408
Polynomial Multiplication
Autumn School Contest 2005
425
1213
1409
Two Gangsters
Autumn School Contest 2005
34566
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1257
388
1490
Fire Circle
Autumn School Contest 2006
2498
196
1491
Unreal Story
Autumn School Contest 2006
2393
205
1492
Vasya's Dad 2
Autumn School Contest 2006
234
2014
1493
One Step from Happiness
Autumn School Contest 2006
10430
47
1494
Monobilliards
Autumn School Contest 2006
5304
92
1495
One-two, One-two 2
Autumn School Contest 2006
1441
339
1496
Spammer
Autumn School Contest 2006
10053
49
1497
Cutting a Square
Autumn School Contest 2006
1615
302
1498
Stroke at Full Speed
Autumn School Contest 2006
544
887
1499
Kerchiefs
Autumn School Contest 2006
323
1476
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3118
146
1573
Alchemy
Autumn School Contest 2007
4259
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1282
354
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
521
862
1576
Telephone Tariffs
Autumn School Contest 2007
3122
146
1577
E-mail
Autumn School Contest 2007
962
471
1578
Mammoth Hunt
Autumn School Contest 2007
510
880
1579
Coat Transportation
Autumn School Contest 2007
910
498
1580
Dean's Debts
Autumn School Contest 2007
508
884
1581
Teamwork
Autumn School Contest 2007
11345
40
1639
Chocolate 2
Autumn School Contest 2008
13156
32
1640
Circle of Winter
Autumn School Contest 2008
2392
177
1641
Duties
Autumn School Contest 2008
829
507
1642
1D Maze
Autumn School Contest 2008
4427
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
989
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4234
100
1645
Ski Race
Autumn School Contest 2008
2116
200
1646
Godzilla Strikes Back!
Autumn School Contest 2008
467
891
1647
Divide an Island!
Autumn School Contest 2008
499
835
1648
Yachts
Autumn School Contest 2008
1096
384
1722
Observation Deck
Ural Regional School Programming Contest 2009
282
1355
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6350
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
589
660
1725
Sold Out!
Ural Regional School Programming Contest 2009
2802
141
1726
Visits
Ural Regional School Programming Contest 2009
3149
125
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1966
200
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
745
524
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
622
626
1730
ManBearPig
Ural Regional School Programming Contest 2009
335
1147
1731
Dill
Ural Regional School Programming Contest 2009
3767
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22599
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3354
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14831
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2276
161
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1671
218
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
259
1364
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
238
1480
1792
Hamming Code
Ural Regional School Programming Contest 2010
4387
83
1793
Tray 2
Ural Regional School Programming Contest 2010
911
398
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1857
197
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1452
251
1796
Amusement Park
Ural Regional School Programming Contest 2010
3339
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
918
365
1874
Football Goal
Ural Regional School Programming Contest 2011
1711
197
1875
Angry Birds
Ural Regional School Programming Contest 2011
340
969
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6200
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17758
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1565
215
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
220
1474
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11245
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5527
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
115
2713
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
267
1224
1884
Way to the University
Ural Regional School Programming Contest 2011
497
669
1921
Chaos and Order
Ural Regional School Programming Contest 2012
237
1265
1922
Superhero Team
Ural Regional School Programming Contest 2012
976
317
1923
Scary Politics
Ural Regional School Programming Contest 2012
570
539
1924
Four Imps
Ural Regional School Programming Contest 2012
8112
38
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4506
69
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
302
1001
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
284
1063
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
397
768
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
814
379
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1881
165
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1806
158
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13263
22
2002
Test Task
Ural Regional School Programming Contest 2013
4030
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
785
360
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
367
759
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3094
92
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
62
3975
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
135
1974
2008
Swifty
Ural Regional School Programming Contest 2013
261
1056
2009
Canteen Line
Ural Regional School Programming Contest 2013
333
834
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2152
132
2011
Long Statement
Ural Regional School Programming Contest 2013
2800
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
775
335
2025
Line Fighting
Ural Regional School Programming Contest 2014
4333
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
441
583
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
483
533
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
290
876
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
429
598
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
502
513
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3023
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
325
784
2033
Devices
Ural Regional School Programming Contest 2014
2572
102
2034
Caravans
Ural Regional School Programming Contest 2014
912
285
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3420
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
818
289
2063
Black and White
Ural Regional School Programming Contest 2015
554
425
2064
Caterpillars
Ural Regional School Programming Contest 2015
236
974
2065
Different Sums
Ural Regional School Programming Contest 2015
756
313
2066
Simple Expression
Ural Regional School Programming Contest 2015
8661
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
738
320
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2239
107
2069
Hard Rock
Ural Regional School Programming Contest 2015
1067
222
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1029
231
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
369
632
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1167
204
2073
Log Files
Ural Regional School Programming Contest 2015
998
238
2111
Plato
University-Academy Olympiad 2019
2244
72
2112
Battle log
University-Academy Olympiad 2019
190
810
2113
Survive the flood
University-Academy Olympiad 2019
371
425
2114
My craft
University-Academy Olympiad 2019
152
1000
2115
The Knowledge Day
University-Academy Olympiad 2019
713
224
2116
He is not a knight for you
University-Academy Olympiad 2019
177
867
2117
Polyphemus' triples
University-Academy Olympiad 2019
293
535
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1348
111
2139
Experiment with Juice
Ural School Programming Contest 2019
23
4569
2140
BitMazeCraft
Ural School Programming Contest 2019
120
1160
2141
Sasha Vilkin
Ural School Programming Contest 2019
592
250
2142
Magic
Ural School Programming Contest 2019
1195
125
2143
Victoria!
Ural School Programming Contest 2019
216
667
2144
Cleaning the Room
Ural School Programming Contest 2019
667
223
2145
Olympiad for Everyone
Ural School Programming Contest 2019
391
376
2146
Quiz Show
Ural School Programming Contest 2019
228
633
2147
City Building
Ural School Programming Contest 2019
70
1885
2148
Insane Shot
Ural School Programming Contest 2019
293
498
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1005
149
2150
4B and Zoo
Ural School Programming Contest 2020
97
1166
2151
Mahjong
Ural School Programming Contest 2020
128
904
2152
Tax Fees
Ural School Programming Contest 2020
97
1166
2153
Perfect Squad
Ural School Programming Contest 2020
120
960
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2654
2155
Quadrocopter
Ural School Programming Contest 2020
116
990
2156
Interesting Conversations
Ural School Programming Contest 2020
183
646
2157
Skydiving
Ural School Programming Contest 2020
86
1299
2158
Two progressions
Ural School Programming Contest 2021
29
1939
2159
Essay
Ural School Programming Contest 2021
44
1403
2160
Meta-statement
Ural School Programming Contest 2021
57
1131
2161
Mount & Blade
Ural School Programming Contest 2021
90
757
2162
Graphmania
Ural School Programming Contest 2021
58
1113
2163
Interview
Ural School Programming Contest 2021
54
1182
2164
Bookmaker
Ural School Programming Contest 2021
35
1683
2165
Cake Cutter
Ural School Programming Contest 2021
32
1802
2166
Two Roads
Ural School Programming Contest 2022
24
2225
2167
Cipher Message 5
Ural School Programming Contest 2022
145
488
2168
Runes in the Field
Ural School Programming Contest 2022
10
3783
2169
City Building 2
Ural School Programming Contest 2022
29
1940
2170
Experiment with Juice 2
Ural School Programming Contest 2022
44
1401
2171
Two Progressions 2
Ural School Programming Contest 2022
40
1513
2172
Meta-statement 2
Ural School Programming Contest 2022
94
728
2173
Meta-statement 3
Ural School Programming Contest 2022
82
823
2174
Dualism of Numbers
Ural School Programming Contest 2023
41
937
2175
Staircase
Ural School Programming Contest 2023
32
1138
2176
Wonderful Numbers
Ural School Programming Contest 2023
31
1166
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
20
1593
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
14
1990
2179
Need More Roads
Ural School Programming Contest 2023
13
2076
2180
Need More Tasks
Ural School Programming Contest 2023
20
1593
2181
Student, or There and Back Again
Ural School Programming Contest 2023
24
1403
2182
Broken Rum
Ural School Programming Contest 2024
59
693
2183
Good Mood
Ural School Programming Contest 2024
55
735
2184
Flint's Favorite Number
Ural School Programming Contest 2024
24
1405
2185
Journey to the Treasure
Ural School Programming Contest 2024
8
2649
2186
Hands Up!
Ural School Programming Contest 2024
8
2649
2187
Need More Gold
Ural School Programming Contest 2024
17
1769
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
10
2390
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
30
1195
2200
He is not a knight for you 2
University-Academy Olympiad 2020
5
1839
2201
Esports Tournament
University-Academy Olympiad 2020
4
1971
2202
Gorodki and Robots
University-Academy Olympiad 2020
3
2122
2203
Favorite Sandwiches
University-Academy Olympiad 2020
4
1971
2204
Friends and Exams
University-Academy Olympiad 2022
11
1314
2205
Natural Numbers
University-Academy Olympiad 2022
9
1454
2206
Runes in the Field 2
University-Academy Olympiad 2022
2
2299
2207
Catansonnes
University-Academy Olympiad 2022
2
2299
2208
Two Gifts
University-Academy Olympiad 2023
4
1967
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
4
1970
2210
Tycoon Simulator
University-Academy Olympiad 2023
2
2292
2211
Integer Triangles
University-Academy Olympiad 2023
2
2299
2212
Prefossum
University-Academy Olympiad 2024
4
1967
2213
A Small Fix
University-Academy Olympiad 2024
3
2118
2214
Quality Emitter
University-Academy Olympiad 2024
2
2295
2215
Global Changes
University-Academy Olympiad 2024
2
2295
Solved problems:
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authors
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difficulty
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