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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
15766
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10641
148
1022
Genealogical Tree
Autumn School Contest 2000
11101
142
1023
Buttons
Autumn School Contest 2000
7233
217
1024
Permutations
Autumn School Contest 2000
4888
321
1025
Democracy in Danger
Autumn School Contest 2000
23504
67
1026
Questions and Answers
Autumn School Contest 2000
10101
156
1027
D++ Again
Autumn School Contest 2000
2457
638
1082
Gaby Ivanushka
Spring School Contest 2001
10918
127
1083
Factorials!!!
Spring School Contest 2001
20320
68
1084
Goat in the Garden
Spring School Contest 2001
9186
150
1085
Meeting
Spring School Contest 2001
2195
627
1086
Cryptography
Spring School Contest 2001
12978
106
1087
The Time to Take Stones
Spring School Contest 2001
4985
277
1088
Ilya Murometz
Spring School Contest 2001
1831
751
1089
Verification with the Dictionary
Spring School Contest 2001
1635
841
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
4895
104
1119
Metro
Autumn School Contest 2001
7254
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5853
87
1121
Branches
Autumn School Contest 2001
1429
353
1122
Game
Autumn School Contest 2001
2016
251
1123
Salary
Autumn School Contest 2001
4147
122
1190
Bar of Chocolate
Spring School Contest 2002
1494
339
1191
Catch the thief!
Spring School Contest 2002
2044
248
1192
Ball in a Dream
Spring School Contest 2002
4651
109
1193
Queue at the Exam
Spring School Contest 2002
2805
181
1194
Handshakes
Spring School Contest 2002
6105
83
1195
Ouths and Crosses
Spring School Contest 2002
1953
260
1196
History Exam
Spring School Contest 2002
9720
52
1197
Lonesome Knight
Spring School Contest 2002
18393
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15042
34
1210
Kind Spirits
Autumn School Contest 2002
3039
169
1211
Collective Guarantee
Autumn School Contest 2002
1644
311
1212
Battleship
Autumn School Contest 2002
1032
493
1213
Cockroaches!
Autumn School Contest 2002
3000
171
1214
Strange Procedure
Autumn School Contest 2002
5010
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1698
301
1257
Hyphenation
Autumn School Contest 2003
291
1728
1258
Pool
Autumn School Contest 2003
1237
417
1259
How to Become Star?
Autumn School Contest 2003
1301
397
1260
Nudnik Photographer
Autumn School Contest 2003
4663
111
1261
Tips
Autumn School Contest 2003
1569
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1323
390
1263
Elections
Autumn School Contest 2003
12206
43
1264
Workdays
Autumn School Contest 2003
24793
21
1290
Sabotage
Spring School Contest 2004
6493
80
1291
Gear-wheels
Spring School Contest 2004
1357
382
1292
Mars Space Stations
Spring School Contest 2004
1367
380
1293
Eniya
Spring School Contest 2004
36074
14
1294
Mars Satellites
Spring School Contest 2004
1640
317
1295
Crazy Notions
Spring School Contest 2004
3443
151
1296
Hyperjump
Spring School Contest 2004
8519
61
1297
Palindrome
Spring School Contest 2004
6348
82
1298
Knight
Spring School Contest 2004
2229
233
1299
Psylonians
Spring School Contest 2004
332
1528
1327
Fuses
Autumn School Contest 2004
11174
47
1328
Fireball
Autumn School Contest 2004
364
1406
1329
Galactic History
Autumn School Contest 2004
1149
454
1330
Intervals
Autumn School Contest 2004
5482
96
1331
Vladislava
Autumn School Contest 2004
527
979
1332
Genie Bomber
Autumn School Contest 2004
849
612
1333
Genie Bomber 2
Autumn School Contest 2004
2396
219
1334
Checkers
Autumn School Contest 2004
963
540
1335
White Thesis
Autumn School Contest 2004
2873
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4273
123
1337
Bureaucracy
Autumn School Contest 2004
335
1524
1347
Blog
Spring School Contest 2005
378
1360
1348
Goat in the Garden 2
Spring School Contest 2005
2948
178
1349
Farm
Spring School Contest 2005
10379
51
1350
Canteen
Spring School Contest 2005
1367
383
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1012
516
1352
Mersenne Primes
Spring School Contest 2005
3991
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5110
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3807
138
1355
Bald Spot Revisited
Spring School Contest 2005
2476
212
1356
Something Easier
Spring School Contest 2005
1761
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
437
1181
1358
Cables
Spring School Contest 2005
968
540
1359
Construction
Spring School Contest 2005
443
1165
1400
Cellular Characters
Autumn School Contest 2005
954
549
1401
Gamers
Autumn School Contest 2005
3312
159
1402
Cocktails
Autumn School Contest 2005
4059
130
1403
Courier
Autumn School Contest 2005
1506
349
1404
Easy to Hack!
Autumn School Contest 2005
6638
80
1405
Goat in the Garden 5
Autumn School Contest 2005
735
711
1406
Next Number
Autumn School Contest 2005
1527
344
1407
One-two, One-two
Autumn School Contest 2005
1358
387
1408
Polynomial Multiplication
Autumn School Contest 2005
435
1190
1409
Two Gangsters
Autumn School Contest 2005
34656
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1261
388
1490
Fire Circle
Autumn School Contest 2006
2504
196
1491
Unreal Story
Autumn School Contest 2006
2399
205
1492
Vasya's Dad 2
Autumn School Contest 2006
238
1990
1493
One Step from Happiness
Autumn School Contest 2006
10454
47
1494
Monobilliards
Autumn School Contest 2006
5472
90
1495
One-two, One-two 2
Autumn School Contest 2006
1445
339
1496
Spammer
Autumn School Contest 2006
10077
49
1497
Cutting a Square
Autumn School Contest 2006
1620
303
1498
Stroke at Full Speed
Autumn School Contest 2006
548
884
1499
Kerchiefs
Autumn School Contest 2006
325
1473
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3136
146
1573
Alchemy
Autumn School Contest 2007
4268
108
1574
Mathematicians and brackets
Autumn School Contest 2007
1289
354
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
523
863
1576
Telephone Tariffs
Autumn School Contest 2007
3129
147
1577
E-mail
Autumn School Contest 2007
968
470
1578
Mammoth Hunt
Autumn School Contest 2007
514
878
1579
Coat Transportation
Autumn School Contest 2007
912
499
1580
Dean's Debts
Autumn School Contest 2007
512
881
1581
Teamwork
Autumn School Contest 2007
11368
40
1639
Chocolate 2
Autumn School Contest 2008
13186
32
1640
Circle of Winter
Autumn School Contest 2008
2396
178
1641
Duties
Autumn School Contest 2008
832
507
1642
1D Maze
Autumn School Contest 2008
4435
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
995
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4250
100
1645
Ski Race
Autumn School Contest 2008
2118
201
1646
Godzilla Strikes Back!
Autumn School Contest 2008
470
890
1647
Divide an Island!
Autumn School Contest 2008
504
831
1648
Yachts
Autumn School Contest 2008
1099
385
1722
Observation Deck
Ural Regional School Programming Contest 2009
285
1349
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6389
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
593
660
1725
Sold Out!
Ural Regional School Programming Contest 2009
2808
141
1726
Visits
Ural Regional School Programming Contest 2009
3312
120
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1969
201
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
750
524
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
625
627
1730
ManBearPig
Ural Regional School Programming Contest 2009
338
1144
1731
Dill
Ural Regional School Programming Contest 2009
3773
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22669
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3365
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14900
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2282
161
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1673
220
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
264
1349
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
239
1484
1792
Hamming Code
Ural Regional School Programming Contest 2010
4397
84
1793
Tray 2
Ural Regional School Programming Contest 2010
911
401
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1862
197
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1455
252
1796
Amusement Park
Ural Regional School Programming Contest 2010
3350
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
921
367
1874
Football Goal
Ural Regional School Programming Contest 2011
1715
198
1875
Angry Birds
Ural Regional School Programming Contest 2011
346
960
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6219
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17835
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1568
217
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
222
1473
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11304
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5544
62
1882
Old Nokia
Ural Regional School Programming Contest 2011
117
2691
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
269
1225
1884
Way to the University
Ural Regional School Programming Contest 2011
499
671
1921
Chaos and Order
Ural Regional School Programming Contest 2012
238
1271
1922
Superhero Team
Ural Regional School Programming Contest 2012
976
320
1923
Scary Politics
Ural Regional School Programming Contest 2012
573
541
1924
Four Imps
Ural Regional School Programming Contest 2012
8136
39
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4516
70
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
306
997
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
287
1061
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
400
769
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
815
382
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1926
163
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1810
159
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13321
22
2002
Test Task
Ural Regional School Programming Contest 2013
4046
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
787
363
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
371
759
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3104
93
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
63
3959
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
136
1980
2008
Swifty
Ural Regional School Programming Contest 2013
263
1059
2009
Canteen Line
Ural Regional School Programming Contest 2013
335
838
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2161
133
2011
Long Statement
Ural Regional School Programming Contest 2013
2810
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
777
338
2025
Line Fighting
Ural Regional School Programming Contest 2014
4457
59
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
442
588
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
486
536
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
292
880
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
431
602
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
506
515
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3033
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
329
784
2033
Devices
Ural Regional School Programming Contest 2014
2581
103
2034
Caravans
Ural Regional School Programming Contest 2014
919
286
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3429
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
820
292
2063
Black and White
Ural Regional School Programming Contest 2015
557
428
2064
Caterpillars
Ural Regional School Programming Contest 2015
239
974
2065
Different Sums
Ural Regional School Programming Contest 2015
758
316
2066
Simple Expression
Ural Regional School Programming Contest 2015
8714
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
740
323
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2248
107
2069
Hard Rock
Ural Regional School Programming Contest 2015
1071
224
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1032
233
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
371
637
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1172
205
2073
Log Files
Ural Regional School Programming Contest 2015
1001
240
2111
Plato
University-Academy Olympiad 2019
2263
73
2112
Battle log
University-Academy Olympiad 2019
193
815
2113
Survive the flood
University-Academy Olympiad 2019
377
427
2114
My craft
University-Academy Olympiad 2019
156
996
2115
The Knowledge Day
University-Academy Olympiad 2019
722
226
2116
He is not a knight for you
University-Academy Olympiad 2019
180
871
2117
Polyphemus' triples
University-Academy Olympiad 2019
299
535
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1363
112
2139
Experiment with Juice
Ural School Programming Contest 2019
26
4282
2140
BitMazeCraft
Ural School Programming Contest 2019
124
1150
2141
Sasha Vilkin
Ural School Programming Contest 2019
604
251
2142
Magic
Ural School Programming Contest 2019
1210
126
2143
Victoria!
Ural School Programming Contest 2019
222
665
2144
Cleaning the Room
Ural School Programming Contest 2019
680
223
2145
Olympiad for Everyone
Ural School Programming Contest 2019
397
379
2146
Quiz Show
Ural School Programming Contest 2019
233
634
2147
City Building
Ural School Programming Contest 2019
74
1835
2148
Insane Shot
Ural School Programming Contest 2019
299
499
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1026
149
2150
4B and Zoo
Ural School Programming Contest 2020
103
1135
2151
Mahjong
Ural School Programming Contest 2020
138
866
2152
Tax Fees
Ural School Programming Contest 2020
101
1155
2153
Perfect Squad
Ural School Programming Contest 2020
126
943
2154
Flight on a Cannonball
Ural School Programming Contest 2020
41
2514
2155
Quadrocopter
Ural School Programming Contest 2020
121
979
2156
Interesting Conversations
Ural School Programming Contest 2020
188
648
2157
Skydiving
Ural School Programming Contest 2020
90
1282
2158
Two progressions
Ural School Programming Contest 2021
33
1844
2159
Essay
Ural School Programming Contest 2021
50
1324
2160
Meta-statement
Ural School Programming Contest 2021
63
1088
2161
Mount & Blade
Ural School Programming Contest 2021
99
729
2162
Graphmania
Ural School Programming Contest 2021
62
1102
2163
Interview
Ural School Programming Contest 2021
59
1150
2164
Bookmaker
Ural School Programming Contest 2021
38
1655
2165
Cake Cutter
Ural School Programming Contest 2021
37
1689
2166
Two Roads
Ural School Programming Contest 2022
29
2035
2167
Cipher Message 5
Ural School Programming Contest 2022
152
490
2168
Runes in the Field
Ural School Programming Contest 2022
14
3307
2169
City Building 2
Ural School Programming Contest 2022
33
1846
2170
Experiment with Juice 2
Ural School Programming Contest 2022
47
1392
2171
Two Progressions 2
Ural School Programming Contest 2022
46
1417
2172
Meta-statement 2
Ural School Programming Contest 2022
98
735
2173
Meta-statement 3
Ural School Programming Contest 2022
88
810
2174
Dualism of Numbers
Ural School Programming Contest 2023
48
890
2175
Staircase
Ural School Programming Contest 2023
38
1075
2176
Wonderful Numbers
Ural School Programming Contest 2023
39
1054
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
30
1290
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
23
1563
2179
Need More Roads
Ural School Programming Contest 2023
21
1663
2180
Need More Tasks
Ural School Programming Contest 2023
27
1394
2181
Student, or There and Back Again
Ural School Programming Contest 2023
32
1226
2182
Broken Rum
Ural School Programming Contest 2024
69
653
2183
Good Mood
Ural School Programming Contest 2024
65
688
2184
Flint's Favorite Number
Ural School Programming Contest 2024
31
1258
2185
Journey to the Treasure
Ural School Programming Contest 2024
12
2340
2186
Hands Up!
Ural School Programming Contest 2024
13
2238
2187
Need More Gold
Ural School Programming Contest 2024
24
1517
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
15
2064
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
34
1173
2200
He is not a knight for you 2
University-Academy Olympiad 2020
14
1312
2201
Esports Tournament
University-Academy Olympiad 2020
13
1369
2202
Gorodki and Robots
University-Academy Olympiad 2020
11
1499
2203
Favorite Sandwiches
University-Academy Olympiad 2020
11
1499
2204
Friends and Exams
University-Academy Olympiad 2022
32
749
2205
Natural Numbers
University-Academy Olympiad 2022
20
1051
2206
Runes in the Field 2
University-Academy Olympiad 2022
11
1499
2207
Catansonnes
University-Academy Olympiad 2022
10
1574
2208
Two Gifts
University-Academy Olympiad 2023
16
1209
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
14
1311
2210
Tycoon Simulator
University-Academy Olympiad 2023
11
1495
2211
Integer Triangles
University-Academy Olympiad 2023
12
1431
2212
Prefossum
University-Academy Olympiad 2024
14
1310
2213
A Small Fix
University-Academy Olympiad 2024
9
1654
2214
Quality Emitter
University-Academy Olympiad 2024
9
1654
2215
Global Changes
University-Academy Olympiad 2024
8
1746
Solved problems:
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authors
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