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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
15752
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10635
148
1022
Genealogical Tree
Autumn School Contest 2000
11090
142
1023
Buttons
Autumn School Contest 2000
7227
217
1024
Permutations
Autumn School Contest 2000
4885
321
1025
Democracy in Danger
Autumn School Contest 2000
23485
67
1026
Questions and Answers
Autumn School Contest 2000
10094
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
20307
68
1084
Goat in the Garden
Spring School Contest 2001
9183
150
1085
Meeting
Spring School Contest 2001
2195
626
1086
Cryptography
Spring School Contest 2001
12970
106
1087
The Time to Take Stones
Spring School Contest 2001
4983
277
1088
Ilya Murometz
Spring School Contest 2001
1830
751
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
1800
280
1118
Nontrivial Numbers
Autumn School Contest 2001
4892
103
1119
Metro
Autumn School Contest 2001
7239
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
2015
250
1123
Salary
Autumn School Contest 2001
4143
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
4649
109
1193
Queue at the Exam
Spring School Contest 2002
2801
181
1194
Handshakes
Spring School Contest 2002
6102
83
1195
Ouths and Crosses
Spring School Contest 2002
1953
260
1196
History Exam
Spring School Contest 2002
9709
52
1197
Lonesome Knight
Spring School Contest 2002
18378
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15032
34
1210
Kind Spirits
Autumn School Contest 2002
3034
169
1211
Collective Guarantee
Autumn School Contest 2002
1644
310
1212
Battleship
Autumn School Contest 2002
1031
493
1213
Cockroaches!
Autumn School Contest 2002
2997
171
1214
Strange Procedure
Autumn School Contest 2002
5005
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
4657
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
12198
43
1264
Workdays
Autumn School Contest 2003
24775
21
1290
Sabotage
Spring School Contest 2004
6488
80
1291
Gear-wheels
Spring School Contest 2004
1355
382
1292
Mars Space Stations
Spring School Contest 2004
1365
380
1293
Eniya
Spring School Contest 2004
36043
14
1294
Mars Satellites
Spring School Contest 2004
1639
317
1295
Crazy Notions
Spring School Contest 2004
3438
151
1296
Hyperjump
Spring School Contest 2004
8505
61
1297
Palindrome
Spring School Contest 2004
6344
82
1298
Knight
Spring School Contest 2004
2226
233
1299
Psylonians
Spring School Contest 2004
331
1531
1327
Fuses
Autumn School Contest 2004
11167
47
1328
Fireball
Autumn School Contest 2004
363
1408
1329
Galactic History
Autumn School Contest 2004
1141
456
1330
Intervals
Autumn School Contest 2004
5481
96
1331
Vladislava
Autumn School Contest 2004
526
980
1332
Genie Bomber
Autumn School Contest 2004
849
611
1333
Genie Bomber 2
Autumn School Contest 2004
2394
218
1334
Checkers
Autumn School Contest 2004
963
540
1335
White Thesis
Autumn School Contest 2004
2870
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4271
123
1337
Bureaucracy
Autumn School Contest 2004
334
1526
1347
Blog
Spring School Contest 2005
377
1362
1348
Goat in the Garden 2
Spring School Contest 2005
2945
178
1349
Farm
Spring School Contest 2005
10372
51
1350
Canteen
Spring School Contest 2005
1348
388
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1003
520
1352
Mersenne Primes
Spring School Contest 2005
3989
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5096
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
966
540
1359
Construction
Spring School Contest 2005
442
1166
1400
Cellular Characters
Autumn School Contest 2005
953
549
1401
Gamers
Autumn School Contest 2005
3298
160
1402
Cocktails
Autumn School Contest 2005
4055
130
1403
Courier
Autumn School Contest 2005
1505
349
1404
Easy to Hack!
Autumn School Contest 2005
6632
80
1405
Goat in the Garden 5
Autumn School Contest 2005
734
711
1406
Next Number
Autumn School Contest 2005
1523
345
1407
One-two, One-two
Autumn School Contest 2005
1358
387
1408
Polynomial Multiplication
Autumn School Contest 2005
430
1202
1409
Two Gangsters
Autumn School Contest 2005
34628
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1260
388
1490
Fire Circle
Autumn School Contest 2006
2501
196
1491
Unreal Story
Autumn School Contest 2006
2396
205
1492
Vasya's Dad 2
Autumn School Contest 2006
236
2003
1493
One Step from Happiness
Autumn School Contest 2006
10449
47
1494
Monobilliards
Autumn School Contest 2006
5462
90
1495
One-two, One-two 2
Autumn School Contest 2006
1445
339
1496
Spammer
Autumn School Contest 2006
10071
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
1475
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3128
146
1573
Alchemy
Autumn School Contest 2007
4263
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
3127
146
1577
E-mail
Autumn School Contest 2007
966
471
1578
Mammoth Hunt
Autumn School Contest 2007
513
878
1579
Coat Transportation
Autumn School Contest 2007
912
498
1580
Dean's Debts
Autumn School Contest 2007
511
881
1581
Teamwork
Autumn School Contest 2007
11362
40
1639
Chocolate 2
Autumn School Contest 2008
13179
32
1640
Circle of Winter
Autumn School Contest 2008
2392
178
1641
Duties
Autumn School Contest 2008
832
506
1642
1D Maze
Autumn School Contest 2008
4433
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
993
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4243
100
1645
Ski Race
Autumn School Contest 2008
2116
201
1646
Godzilla Strikes Back!
Autumn School Contest 2008
470
888
1647
Divide an Island!
Autumn School Contest 2008
503
831
1648
Yachts
Autumn School Contest 2008
1098
385
1722
Observation Deck
Ural Regional School Programming Contest 2009
284
1351
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6371
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
3299
120
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1966
201
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
749
523
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
624
626
1730
ManBearPig
Ural Regional School Programming Contest 2009
337
1144
1731
Dill
Ural Regional School Programming Contest 2009
3771
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22649
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3362
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14886
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2278
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
262
1355
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
239
1480
1792
Hamming Code
Ural Regional School Programming Contest 2010
4395
84
1793
Tray 2
Ural Regional School Programming Contest 2010
911
400
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1859
197
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1455
252
1796
Amusement Park
Ural Regional School Programming Contest 2010
3346
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
919
367
1874
Football Goal
Ural Regional School Programming Contest 2011
1713
198
1875
Angry Birds
Ural Regional School Programming Contest 2011
344
963
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6212
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17813
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1567
216
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
222
1469
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11291
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5538
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
116
2705
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
269
1222
1884
Way to the University
Ural Regional School Programming Contest 2011
499
670
1921
Chaos and Order
Ural Regional School Programming Contest 2012
238
1267
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
8130
39
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4513
69
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
306
994
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
287
1058
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
400
766
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
815
381
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1896
165
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1808
158
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13306
22
2002
Test Task
Ural Regional School Programming Contest 2013
4041
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
786
362
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
371
756
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3103
93
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
63
3945
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
136
1973
2008
Swifty
Ural Regional School Programming Contest 2013
263
1055
2009
Canteen Line
Ural Regional School Programming Contest 2013
335
835
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2159
133
2011
Long Statement
Ural Regional School Programming Contest 2013
2806
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
776
337
2025
Line Fighting
Ural Regional School Programming Contest 2014
4441
59
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
442
585
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
486
534
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
292
876
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
431
600
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
506
513
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3030
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
329
781
2033
Devices
Ural Regional School Programming Contest 2014
2576
102
2034
Caravans
Ural Regional School Programming Contest 2014
915
286
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3426
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
819
291
2063
Black and White
Ural Regional School Programming Contest 2015
555
427
2064
Caterpillars
Ural Regional School Programming Contest 2015
238
974
2065
Different Sums
Ural Regional School Programming Contest 2015
758
314
2066
Simple Expression
Ural Regional School Programming Contest 2015
8702
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
740
322
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2245
107
2069
Hard Rock
Ural Regional School Programming Contest 2015
1069
224
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1030
232
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
371
634
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1169
205
2073
Log Files
Ural Regional School Programming Contest 2015
1001
239
2111
Plato
University-Academy Olympiad 2019
2259
72
2112
Battle log
University-Academy Olympiad 2019
192
813
2113
Survive the flood
University-Academy Olympiad 2019
376
425
2114
My craft
University-Academy Olympiad 2019
156
989
2115
The Knowledge Day
University-Academy Olympiad 2019
721
225
2116
He is not a knight for you
University-Academy Olympiad 2019
180
864
2117
Polyphemus' triples
University-Academy Olympiad 2019
299
531
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1358
112
2139
Experiment with Juice
Ural School Programming Contest 2019
25
4370
2140
BitMazeCraft
Ural School Programming Contest 2019
122
1159
2141
Sasha Vilkin
Ural School Programming Contest 2019
597
252
2142
Magic
Ural School Programming Contest 2019
1206
126
2143
Victoria!
Ural School Programming Contest 2019
220
665
2144
Cleaning the Room
Ural School Programming Contest 2019
674
224
2145
Olympiad for Everyone
Ural School Programming Contest 2019
396
377
2146
Quiz Show
Ural School Programming Contest 2019
232
632
2147
City Building
Ural School Programming Contest 2019
72
1865
2148
Insane Shot
Ural School Programming Contest 2019
298
497
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1020
149
2150
4B and Zoo
Ural School Programming Contest 2020
101
1144
2151
Mahjong
Ural School Programming Contest 2020
137
864
2152
Tax Fees
Ural School Programming Contest 2020
99
1165
2153
Perfect Squad
Ural School Programming Contest 2020
125
941
2154
Flight on a Cannonball
Ural School Programming Contest 2020
40
2540
2155
Quadrocopter
Ural School Programming Contest 2020
119
984
2156
Interesting Conversations
Ural School Programming Contest 2020
187
645
2157
Skydiving
Ural School Programming Contest 2020
89
1283
2158
Two progressions
Ural School Programming Contest 2021
33
1814
2159
Essay
Ural School Programming Contest 2021
49
1324
2160
Meta-statement
Ural School Programming Contest 2021
63
1070
2161
Mount & Blade
Ural School Programming Contest 2021
99
717
2162
Graphmania
Ural School Programming Contest 2021
62
1084
2163
Interview
Ural School Programming Contest 2021
59
1131
2164
Bookmaker
Ural School Programming Contest 2021
38
1628
2165
Cake Cutter
Ural School Programming Contest 2021
36
1698
2166
Two Roads
Ural School Programming Contest 2022
28
2054
2167
Cipher Message 5
Ural School Programming Contest 2022
152
482
2168
Runes in the Field
Ural School Programming Contest 2022
12
3548
2169
City Building 2
Ural School Programming Contest 2022
33
1815
2170
Experiment with Juice 2
Ural School Programming Contest 2022
47
1369
2171
Two Progressions 2
Ural School Programming Contest 2022
45
1419
2172
Meta-statement 2
Ural School Programming Contest 2022
98
723
2173
Meta-statement 3
Ural School Programming Contest 2022
87
805
2174
Dualism of Numbers
Ural School Programming Contest 2023
46
898
2175
Staircase
Ural School Programming Contest 2023
36
1092
2176
Wonderful Numbers
Ural School Programming Contest 2023
35
1117
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
27
1358
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
20
1674
2179
Need More Roads
Ural School Programming Contest 2023
17
1860
2180
Need More Tasks
Ural School Programming Contest 2023
24
1478
2181
Student, or There and Back Again
Ural School Programming Contest 2023
29
1286
2182
Broken Rum
Ural School Programming Contest 2024
65
670
2183
Good Mood
Ural School Programming Contest 2024
61
708
2184
Flint's Favorite Number
Ural School Programming Contest 2024
28
1322
2185
Journey to the Treasure
Ural School Programming Contest 2024
10
2507
2186
Hands Up!
Ural School Programming Contest 2024
11
2387
2187
Need More Gold
Ural School Programming Contest 2024
22
1570
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
14
2094
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
32
1196
2200
He is not a knight for you 2
University-Academy Olympiad 2020
13
1309
2201
Esports Tournament
University-Academy Olympiad 2020
10
1505
2202
Gorodki and Robots
University-Academy Olympiad 2020
9
1584
2203
Favorite Sandwiches
University-Academy Olympiad 2020
10
1505
2204
Friends and Exams
University-Academy Olympiad 2022
24
885
2205
Natural Numbers
University-Academy Olympiad 2022
18
1076
2206
Runes in the Field 2
University-Academy Olympiad 2022
7
1770
2207
Catansonnes
University-Academy Olympiad 2022
10
1505
2208
Two Gifts
University-Academy Olympiad 2023
14
1252
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
13
1308
2210
Tycoon Simulator
University-Academy Olympiad 2023
11
1429
2211
Integer Triangles
University-Academy Olympiad 2023
10
1505
2212
Prefossum
University-Academy Olympiad 2024
13
1307
2213
A Small Fix
University-Academy Olympiad 2024
9
1582
2214
Quality Emitter
University-Academy Olympiad 2024
9
1581
2215
Global Changes
University-Academy Olympiad 2024
8
1669
Solved problems:
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authors
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