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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
15759
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10639
148
1022
Genealogical Tree
Autumn School Contest 2000
11091
142
1023
Buttons
Autumn School Contest 2000
7227
217
1024
Permutations
Autumn School Contest 2000
4887
321
1025
Democracy in Danger
Autumn School Contest 2000
23492
67
1026
Questions and Answers
Autumn School Contest 2000
10096
156
1027
D++ Again
Autumn School Contest 2000
2454
638
1082
Gaby Ivanushka
Spring School Contest 2001
10917
126
1083
Factorials!!!
Spring School Contest 2001
20311
68
1084
Goat in the Garden
Spring School Contest 2001
9184
150
1085
Meeting
Spring School Contest 2001
2195
627
1086
Cryptography
Spring School Contest 2001
12972
106
1087
The Time to Take Stones
Spring School Contest 2001
4985
277
1088
Ilya Murometz
Spring School Contest 2001
1831
750
1089
Verification with the Dictionary
Spring School Contest 2001
1635
840
1116
Piecewise Constant Function
Autumn School Contest 2001
1515
333
1117
Hierarchy
Autumn School Contest 2001
1801
280
1118
Nontrivial Numbers
Autumn School Contest 2001
4893
103
1119
Metro
Autumn School Contest 2001
7241
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5851
87
1121
Branches
Autumn School Contest 2001
1428
353
1122
Game
Autumn School Contest 2001
2016
250
1123
Salary
Autumn School Contest 2001
4144
122
1190
Bar of Chocolate
Spring School Contest 2002
1493
339
1191
Catch the thief!
Spring School Contest 2002
2043
248
1192
Ball in a Dream
Spring School Contest 2002
4650
109
1193
Queue at the Exam
Spring School Contest 2002
2802
181
1194
Handshakes
Spring School Contest 2002
6103
83
1195
Ouths and Crosses
Spring School Contest 2002
1953
260
1196
History Exam
Spring School Contest 2002
9713
52
1197
Lonesome Knight
Spring School Contest 2002
18383
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15035
34
1210
Kind Spirits
Autumn School Contest 2002
3036
169
1211
Collective Guarantee
Autumn School Contest 2002
1644
311
1212
Battleship
Autumn School Contest 2002
1031
494
1213
Cockroaches!
Autumn School Contest 2002
2999
171
1214
Strange Procedure
Autumn School Contest 2002
5007
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1698
301
1257
Hyphenation
Autumn School Contest 2003
289
1738
1258
Pool
Autumn School Contest 2003
1234
418
1259
How to Become Star?
Autumn School Contest 2003
1299
397
1260
Nudnik Photographer
Autumn School Contest 2003
4659
111
1261
Tips
Autumn School Contest 2003
1568
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1322
390
1263
Elections
Autumn School Contest 2003
12202
43
1264
Workdays
Autumn School Contest 2003
24778
21
1290
Sabotage
Spring School Contest 2004
6489
80
1291
Gear-wheels
Spring School Contest 2004
1355
383
1292
Mars Space Stations
Spring School Contest 2004
1365
380
1293
Eniya
Spring School Contest 2004
36050
14
1294
Mars Satellites
Spring School Contest 2004
1639
317
1295
Crazy Notions
Spring School Contest 2004
3440
151
1296
Hyperjump
Spring School Contest 2004
8509
61
1297
Palindrome
Spring School Contest 2004
6345
82
1298
Knight
Spring School Contest 2004
2226
234
1299
Psylonians
Spring School Contest 2004
331
1531
1327
Fuses
Autumn School Contest 2004
11168
47
1328
Fireball
Autumn School Contest 2004
363
1408
1329
Galactic History
Autumn School Contest 2004
1142
456
1330
Intervals
Autumn School Contest 2004
5482
96
1331
Vladislava
Autumn School Contest 2004
526
980
1332
Genie Bomber
Autumn School Contest 2004
849
612
1333
Genie Bomber 2
Autumn School Contest 2004
2395
218
1334
Checkers
Autumn School Contest 2004
963
540
1335
White Thesis
Autumn School Contest 2004
2872
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4273
123
1337
Bureaucracy
Autumn School Contest 2004
334
1527
1347
Blog
Spring School Contest 2005
377
1363
1348
Goat in the Garden 2
Spring School Contest 2005
2947
178
1349
Farm
Spring School Contest 2005
10377
51
1350
Canteen
Spring School Contest 2005
1353
387
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1004
520
1352
Mersenne Primes
Spring School Contest 2005
3990
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5097
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3803
138
1355
Bald Spot Revisited
Spring School Contest 2005
2473
212
1356
Something Easier
Spring School Contest 2005
1761
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
436
1182
1358
Cables
Spring School Contest 2005
967
540
1359
Construction
Spring School Contest 2005
442
1167
1400
Cellular Characters
Autumn School Contest 2005
953
549
1401
Gamers
Autumn School Contest 2005
3305
160
1402
Cocktails
Autumn School Contest 2005
4057
130
1403
Courier
Autumn School Contest 2005
1505
349
1404
Easy to Hack!
Autumn School Contest 2005
6634
80
1405
Goat in the Garden 5
Autumn School Contest 2005
734
711
1406
Next Number
Autumn School Contest 2005
1526
344
1407
One-two, One-two
Autumn School Contest 2005
1358
387
1408
Polynomial Multiplication
Autumn School Contest 2005
434
1192
1409
Two Gangsters
Autumn School Contest 2005
34632
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1260
388
1490
Fire Circle
Autumn School Contest 2006
2502
196
1491
Unreal Story
Autumn School Contest 2006
2396
205
1492
Vasya's Dad 2
Autumn School Contest 2006
236
2004
1493
One Step from Happiness
Autumn School Contest 2006
10450
47
1494
Monobilliards
Autumn School Contest 2006
5468
90
1495
One-two, One-two 2
Autumn School Contest 2006
1445
339
1496
Spammer
Autumn School Contest 2006
10073
49
1497
Cutting a Square
Autumn School Contest 2006
1618
303
1498
Stroke at Full Speed
Autumn School Contest 2006
547
885
1499
Kerchiefs
Autumn School Contest 2006
324
1476
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3129
146
1573
Alchemy
Autumn School Contest 2007
4265
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1288
354
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
523
862
1576
Telephone Tariffs
Autumn School Contest 2007
3128
146
1577
E-mail
Autumn School Contest 2007
966
471
1578
Mammoth Hunt
Autumn School Contest 2007
513
879
1579
Coat Transportation
Autumn School Contest 2007
912
498
1580
Dean's Debts
Autumn School Contest 2007
511
882
1581
Teamwork
Autumn School Contest 2007
11364
40
1639
Chocolate 2
Autumn School Contest 2008
13180
32
1640
Circle of Winter
Autumn School Contest 2008
2395
177
1641
Duties
Autumn School Contest 2008
832
507
1642
1D Maze
Autumn School Contest 2008
4434
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
993
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4247
100
1645
Ski Race
Autumn School Contest 2008
2116
201
1646
Godzilla Strikes Back!
Autumn School Contest 2008
470
889
1647
Divide an Island!
Autumn School Contest 2008
503
832
1648
Yachts
Autumn School Contest 2008
1098
385
1722
Observation Deck
Ural Regional School Programming Contest 2009
284
1352
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6378
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
592
660
1725
Sold Out!
Ural Regional School Programming Contest 2009
2807
141
1726
Visits
Ural Regional School Programming Contest 2009
3306
120
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1967
201
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
749
524
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
624
627
1730
ManBearPig
Ural Regional School Programming Contest 2009
337
1145
1731
Dill
Ural Regional School Programming Contest 2009
3772
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22654
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3364
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14889
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2280
161
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1672
219
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
263
1351
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
239
1482
1792
Hamming Code
Ural Regional School Programming Contest 2010
4396
84
1793
Tray 2
Ural Regional School Programming Contest 2010
911
401
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1860
197
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1455
252
1796
Amusement Park
Ural Regional School Programming Contest 2010
3348
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
920
367
1874
Football Goal
Ural Regional School Programming Contest 2011
1714
198
1875
Angry Birds
Ural Regional School Programming Contest 2011
346
958
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6216
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17816
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1567
216
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
222
1471
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11296
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5539
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
116
2708
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
269
1223
1884
Way to the University
Ural Regional School Programming Contest 2011
499
670
1921
Chaos and Order
Ural Regional School Programming Contest 2012
238
1268
1922
Superhero Team
Ural Regional School Programming Contest 2012
976
319
1923
Scary Politics
Ural Regional School Programming Contest 2012
573
539
1924
Four Imps
Ural Regional School Programming Contest 2012
8132
39
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4514
70
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
306
995
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
287
1059
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
400
767
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
815
381
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1901
165
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1810
158
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13310
22
2002
Test Task
Ural Regional School Programming Contest 2013
4042
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
787
362
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
371
757
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3104
93
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
63
3951
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
136
1975
2008
Swifty
Ural Regional School Programming Contest 2013
263
1056
2009
Canteen Line
Ural Regional School Programming Contest 2013
335
836
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2160
133
2011
Long Statement
Ural Regional School Programming Contest 2013
2809
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
777
337
2025
Line Fighting
Ural Regional School Programming Contest 2014
4448
59
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
442
586
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
486
534
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
292
878
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
431
601
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
506
514
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3030
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
329
782
2033
Devices
Ural Regional School Programming Contest 2014
2579
102
2034
Caravans
Ural Regional School Programming Contest 2014
916
286
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3427
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
819
292
2063
Black and White
Ural Regional School Programming Contest 2015
555
428
2064
Caterpillars
Ural Regional School Programming Contest 2015
238
976
2065
Different Sums
Ural Regional School Programming Contest 2015
758
315
2066
Simple Expression
Ural Regional School Programming Contest 2015
8704
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
740
323
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2247
107
2069
Hard Rock
Ural Regional School Programming Contest 2015
1069
224
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1031
232
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
371
635
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1170
205
2073
Log Files
Ural Regional School Programming Contest 2015
1001
239
2111
Plato
University-Academy Olympiad 2019
2260
73
2112
Battle log
University-Academy Olympiad 2019
192
815
2113
Survive the flood
University-Academy Olympiad 2019
376
427
2114
My craft
University-Academy Olympiad 2019
156
992
2115
The Knowledge Day
University-Academy Olympiad 2019
721
225
2116
He is not a knight for you
University-Academy Olympiad 2019
180
867
2117
Polyphemus' triples
University-Academy Olympiad 2019
299
533
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1360
112
2139
Experiment with Juice
Ural School Programming Contest 2019
25
4383
2140
BitMazeCraft
Ural School Programming Contest 2019
122
1162
2141
Sasha Vilkin
Ural School Programming Contest 2019
602
251
2142
Magic
Ural School Programming Contest 2019
1207
126
2143
Victoria!
Ural School Programming Contest 2019
220
667
2144
Cleaning the Room
Ural School Programming Contest 2019
674
224
2145
Olympiad for Everyone
Ural School Programming Contest 2019
396
378
2146
Quiz Show
Ural School Programming Contest 2019
232
634
2147
City Building
Ural School Programming Contest 2019
73
1848
2148
Insane Shot
Ural School Programming Contest 2019
298
498
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1021
149
2150
4B and Zoo
Ural School Programming Contest 2020
102
1138
2151
Mahjong
Ural School Programming Contest 2020
137
867
2152
Tax Fees
Ural School Programming Contest 2020
100
1159
2153
Perfect Squad
Ural School Programming Contest 2020
125
944
2154
Flight on a Cannonball
Ural School Programming Contest 2020
40
2549
2155
Quadrocopter
Ural School Programming Contest 2020
119
988
2156
Interesting Conversations
Ural School Programming Contest 2020
187
647
2157
Skydiving
Ural School Programming Contest 2020
89
1287
2158
Two progressions
Ural School Programming Contest 2021
33
1825
2159
Essay
Ural School Programming Contest 2021
49
1333
2160
Meta-statement
Ural School Programming Contest 2021
63
1077
2161
Mount & Blade
Ural School Programming Contest 2021
99
721
2162
Graphmania
Ural School Programming Contest 2021
62
1091
2163
Interview
Ural School Programming Contest 2021
59
1138
2164
Bookmaker
Ural School Programming Contest 2021
38
1638
2165
Cake Cutter
Ural School Programming Contest 2021
37
1672
2166
Two Roads
Ural School Programming Contest 2022
29
2014
2167
Cipher Message 5
Ural School Programming Contest 2022
152
485
2168
Runes in the Field
Ural School Programming Contest 2022
13
3415
2169
City Building 2
Ural School Programming Contest 2022
33
1826
2170
Experiment with Juice 2
Ural School Programming Contest 2022
47
1378
2171
Two Progressions 2
Ural School Programming Contest 2022
45
1428
2172
Meta-statement 2
Ural School Programming Contest 2022
98
728
2173
Meta-statement 3
Ural School Programming Contest 2022
87
810
2174
Dualism of Numbers
Ural School Programming Contest 2023
46
906
2175
Staircase
Ural School Programming Contest 2023
36
1103
2176
Wonderful Numbers
Ural School Programming Contest 2023
36
1104
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
27
1372
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
20
1691
2179
Need More Roads
Ural School Programming Contest 2023
18
1811
2180
Need More Tasks
Ural School Programming Contest 2023
24
1492
2181
Student, or There and Back Again
Ural School Programming Contest 2023
29
1299
2182
Broken Rum
Ural School Programming Contest 2024
65
677
2183
Good Mood
Ural School Programming Contest 2024
61
715
2184
Flint's Favorite Number
Ural School Programming Contest 2024
28
1335
2185
Journey to the Treasure
Ural School Programming Contest 2024
10
2532
2186
Hands Up!
Ural School Programming Contest 2024
11
2411
2187
Need More Gold
Ural School Programming Contest 2024
22
1585
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
14
2115
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
32
1208
2200
He is not a knight for you 2
University-Academy Olympiad 2020
13
1331
2201
Esports Tournament
University-Academy Olympiad 2020
11
1458
2202
Gorodki and Robots
University-Academy Olympiad 2020
10
1531
2203
Favorite Sandwiches
University-Academy Olympiad 2020
10
1530
2204
Friends and Exams
University-Academy Olympiad 2022
29
785
2205
Natural Numbers
University-Academy Olympiad 2022
19
1057
2206
Runes in the Field 2
University-Academy Olympiad 2022
10
1530
2207
Catansonnes
University-Academy Olympiad 2022
10
1530
2208
Two Gifts
University-Academy Olympiad 2023
15
1223
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
13
1331
2210
Tycoon Simulator
University-Academy Olympiad 2023
11
1453
2211
Integer Triangles
University-Academy Olympiad 2023
10
1530
2212
Prefossum
University-Academy Olympiad 2024
13
1329
2213
A Small Fix
University-Academy Olympiad 2024
9
1608
2214
Quality Emitter
University-Academy Olympiad 2024
9
1608
2215
Global Changes
University-Academy Olympiad 2024
8
1698
Solved problems:
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authors
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difficulty
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