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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
15826
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10661
148
1022
Genealogical Tree
Autumn School Contest 2000
11128
142
1023
Buttons
Autumn School Contest 2000
7247
218
1024
Permutations
Autumn School Contest 2000
4899
323
1025
Democracy in Danger
Autumn School Contest 2000
23566
67
1026
Questions and Answers
Autumn School Contest 2000
10123
156
1027
D++ Again
Autumn School Contest 2000
2462
641
1082
Gaby Ivanushka
Spring School Contest 2001
10938
127
1083
Factorials!!!
Spring School Contest 2001
20370
68
1084
Goat in the Garden
Spring School Contest 2001
9235
150
1085
Meeting
Spring School Contest 2001
2200
629
1086
Cryptography
Spring School Contest 2001
13016
107
1087
The Time to Take Stones
Spring School Contest 2001
4999
278
1088
Ilya Murometz
Spring School Contest 2001
1852
747
1089
Verification with the Dictionary
Spring School Contest 2001
1643
841
1116
Piecewise Constant Function
Autumn School Contest 2001
1521
334
1117
Hierarchy
Autumn School Contest 2001
1806
281
1118
Nontrivial Numbers
Autumn School Contest 2001
4916
104
1119
Metro
Autumn School Contest 2001
7293
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5884
87
1121
Branches
Autumn School Contest 2001
1435
353
1122
Game
Autumn School Contest 2001
2024
251
1123
Salary
Autumn School Contest 2001
4162
122
1190
Bar of Chocolate
Spring School Contest 2002
1504
339
1191
Catch the thief!
Spring School Contest 2002
2050
249
1192
Ball in a Dream
Spring School Contest 2002
4670
110
1193
Queue at the Exam
Spring School Contest 2002
2810
182
1194
Handshakes
Spring School Contest 2002
6132
84
1195
Ouths and Crosses
Spring School Contest 2002
1960
261
1196
History Exam
Spring School Contest 2002
9773
52
1197
Lonesome Knight
Spring School Contest 2002
18467
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15100
34
1210
Kind Spirits
Autumn School Contest 2002
3048
169
1211
Collective Guarantee
Autumn School Contest 2002
1651
311
1212
Battleship
Autumn School Contest 2002
1037
494
1213
Cockroaches!
Autumn School Contest 2002
3025
170
1214
Strange Procedure
Autumn School Contest 2002
5028
103
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1705
302
1257
Hyphenation
Autumn School Contest 2003
292
1732
1258
Pool
Autumn School Contest 2003
1243
417
1259
How to Become Star?
Autumn School Contest 2003
1306
397
1260
Nudnik Photographer
Autumn School Contest 2003
4678
112
1261
Tips
Autumn School Contest 2003
1579
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1328
391
1263
Elections
Autumn School Contest 2003
12311
42
1264
Workdays
Autumn School Contest 2003
24874
21
1290
Sabotage
Spring School Contest 2004
6521
80
1291
Gear-wheels
Spring School Contest 2004
1362
383
1292
Mars Space Stations
Spring School Contest 2004
1373
380
1293
Eniya
Spring School Contest 2004
36265
14
1294
Mars Satellites
Spring School Contest 2004
1643
318
1295
Crazy Notions
Spring School Contest 2004
3461
151
1296
Hyperjump
Spring School Contest 2004
8679
60
1297
Palindrome
Spring School Contest 2004
6379
82
1298
Knight
Spring School Contest 2004
2236
234
1299
Psylonians
Spring School Contest 2004
334
1527
1327
Fuses
Autumn School Contest 2004
11220
47
1328
Fireball
Autumn School Contest 2004
367
1402
1329
Galactic History
Autumn School Contest 2004
1157
453
1330
Intervals
Autumn School Contest 2004
5507
96
1331
Vladislava
Autumn School Contest 2004
529
981
1332
Genie Bomber
Autumn School Contest 2004
853
612
1333
Genie Bomber 2
Autumn School Contest 2004
2403
219
1334
Checkers
Autumn School Contest 2004
967
541
1335
White Thesis
Autumn School Contest 2004
2884
183
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4302
123
1337
Bureaucracy
Autumn School Contest 2004
336
1528
1347
Blog
Spring School Contest 2005
379
1364
1348
Goat in the Garden 2
Spring School Contest 2005
2974
178
1349
Farm
Spring School Contest 2005
10429
51
1350
Canteen
Spring School Contest 2005
1372
384
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1014
518
1352
Mersenne Primes
Spring School Contest 2005
4009
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5130
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3819
139
1355
Bald Spot Revisited
Spring School Contest 2005
2488
212
1356
Something Easier
Spring School Contest 2005
1769
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
439
1182
1358
Cables
Spring School Contest 2005
973
540
1359
Construction
Spring School Contest 2005
446
1163
1400
Cellular Characters
Autumn School Contest 2005
957
550
1401
Gamers
Autumn School Contest 2005
3339
159
1402
Cocktails
Autumn School Contest 2005
4082
130
1403
Courier
Autumn School Contest 2005
1512
350
1404
Easy to Hack!
Autumn School Contest 2005
6669
80
1405
Goat in the Garden 5
Autumn School Contest 2005
740
710
1406
Next Number
Autumn School Contest 2005
1533
345
1407
One-two, One-two
Autumn School Contest 2005
1361
388
1408
Polynomial Multiplication
Autumn School Contest 2005
439
1185
1409
Two Gangsters
Autumn School Contest 2005
34935
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1275
386
1490
Fire Circle
Autumn School Contest 2006
2517
196
1491
Unreal Story
Autumn School Contest 2006
2410
205
1492
Vasya's Dad 2
Autumn School Contest 2006
239
1994
1493
One Step from Happiness
Autumn School Contest 2006
10513
47
1494
Monobilliards
Autumn School Contest 2006
5514
90
1495
One-two, One-two 2
Autumn School Contest 2006
1451
340
1496
Spammer
Autumn School Contest 2006
10135
49
1497
Cutting a Square
Autumn School Contest 2006
1626
303
1498
Stroke at Full Speed
Autumn School Contest 2006
552
883
1499
Kerchiefs
Autumn School Contest 2006
327
1473
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3158
146
1573
Alchemy
Autumn School Contest 2007
4284
108
1574
Mathematicians and brackets
Autumn School Contest 2007
1296
355
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
525
866
1576
Telephone Tariffs
Autumn School Contest 2007
3137
147
1577
E-mail
Autumn School Contest 2007
976
470
1578
Mammoth Hunt
Autumn School Contest 2007
516
881
1579
Coat Transportation
Autumn School Contest 2007
916
500
1580
Dean's Debts
Autumn School Contest 2007
516
881
1581
Teamwork
Autumn School Contest 2007
11409
41
1639
Chocolate 2
Autumn School Contest 2008
13247
32
1640
Circle of Winter
Autumn School Contest 2008
2404
178
1641
Duties
Autumn School Contest 2008
833
511
1642
1D Maze
Autumn School Contest 2008
4455
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
1002
426
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4283
100
1645
Ski Race
Autumn School Contest 2008
2131
201
1646
Godzilla Strikes Back!
Autumn School Contest 2008
476
886
1647
Divide an Island!
Autumn School Contest 2008
507
833
1648
Yachts
Autumn School Contest 2008
1104
387
1722
Observation Deck
Ural Regional School Programming Contest 2009
286
1356
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6415
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
599
659
1725
Sold Out!
Ural Regional School Programming Contest 2009
2821
142
1726
Visits
Ural Regional School Programming Contest 2009
3345
120
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1980
202
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
756
524
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
628
629
1730
ManBearPig
Ural Regional School Programming Contest 2009
340
1147
1731
Dill
Ural Regional School Programming Contest 2009
3791
106
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22782
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3385
110
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14964
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2292
162
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1680
221
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
270
1333
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
244
1469
1792
Hamming Code
Ural Regional School Programming Contest 2010
4424
84
1793
Tray 2
Ural Regional School Programming Contest 2010
917
403
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1872
198
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1463
253
1796
Amusement Park
Ural Regional School Programming Contest 2010
3367
111
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
935
366
1874
Football Goal
Ural Regional School Programming Contest 2011
1719
200
1875
Angry Birds
Ural Regional School Programming Contest 2011
348
965
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6269
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17928
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1573
218
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
226
1465
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11362
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5571
62
1882
Old Nokia
Ural Regional School Programming Contest 2011
123
2599
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
273
1221
1884
Way to the University
Ural Regional School Programming Contest 2011
501
676
1921
Chaos and Order
Ural Regional School Programming Contest 2012
243
1262
1922
Superhero Team
Ural Regional School Programming Contest 2012
980
322
1923
Scary Politics
Ural Regional School Programming Contest 2012
576
545
1924
Four Imps
Ural Regional School Programming Contest 2012
8178
39
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4543
70
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
309
1001
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
290
1064
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
405
769
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
820
385
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1957
162
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1825
160
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13454
22
2002
Test Task
Ural Regional School Programming Contest 2013
4077
72
2003
Simple Magic
Ural Regional School Programming Contest 2013
793
365
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
375
762
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3129
93
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
69
3712
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
141
1942
2008
Swifty
Ural Regional School Programming Contest 2013
271
1043
2009
Canteen Line
Ural Regional School Programming Contest 2013
342
833
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2186
134
2011
Long Statement
Ural Regional School Programming Contest 2013
2831
103
2024
Adventure Time
Ural Regional School Programming Contest 2014
784
340
2025
Line Fighting
Ural Regional School Programming Contest 2014
4502
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
445
593
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
490
540
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
296
882
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
438
603
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
513
516
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3057
88
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
333
787
2033
Devices
Ural Regional School Programming Contest 2014
2601
103
2034
Caravans
Ural Regional School Programming Contest 2014
943
283
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3461
78
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
828
295
2063
Black and White
Ural Regional School Programming Contest 2015
561
433
2064
Caterpillars
Ural Regional School Programming Contest 2015
243
977
2065
Different Sums
Ural Regional School Programming Contest 2015
764
319
2066
Simple Expression
Ural Regional School Programming Contest 2015
8811
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
749
326
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2269
108
2069
Hard Rock
Ural Regional School Programming Contest 2015
1081
226
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1041
235
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
376
640
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1184
207
2073
Log Files
Ural Regional School Programming Contest 2015
1009
242
2111
Plato
University-Academy Olympiad 2019
2303
74
2112
Battle log
University-Academy Olympiad 2019
200
811
2113
Survive the flood
University-Academy Olympiad 2019
386
430
2114
My craft
University-Academy Olympiad 2019
163
985
2115
The Knowledge Day
University-Academy Olympiad 2019
735
229
2116
He is not a knight for you
University-Academy Olympiad 2019
186
869
2117
Polyphemus' triples
University-Academy Olympiad 2019
304
542
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1429
111
2139
Experiment with Juice
Ural School Programming Contest 2019
33
3701
2140
BitMazeCraft
Ural School Programming Contest 2019
131
1129
2141
Sasha Vilkin
Ural School Programming Contest 2019
621
252
2142
Magic
Ural School Programming Contest 2019
1240
127
2143
Victoria!
Ural School Programming Contest 2019
230
663
2144
Cleaning the Room
Ural School Programming Contest 2019
707
222
2145
Olympiad for Everyone
Ural School Programming Contest 2019
411
378
2146
Quiz Show
Ural School Programming Contest 2019
239
639
2147
City Building
Ural School Programming Contest 2019
81
1749
2148
Insane Shot
Ural School Programming Contest 2019
312
494
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1065
148
2150
4B and Zoo
Ural School Programming Contest 2020
107
1140
2151
Mahjong
Ural School Programming Contest 2020
144
866
2152
Tax Fees
Ural School Programming Contest 2020
106
1150
2153
Perfect Squad
Ural School Programming Contest 2020
133
933
2154
Flight on a Cannonball
Ural School Programming Contest 2020
48
2300
2155
Quadrocopter
Ural School Programming Contest 2020
129
960
2156
Interesting Conversations
Ural School Programming Contest 2020
193
657
2157
Skydiving
Ural School Programming Contest 2020
93
1295
2158
Two progressions
Ural School Programming Contest 2021
37
1803
2159
Essay
Ural School Programming Contest 2021
54
1326
2160
Meta-statement
Ural School Programming Contest 2021
66
1117
2161
Mount & Blade
Ural School Programming Contest 2021
103
751
2162
Graphmania
Ural School Programming Contest 2021
67
1101
2163
Interview
Ural School Programming Contest 2021
64
1145
2164
Bookmaker
Ural School Programming Contest 2021
44
1571
2165
Cake Cutter
Ural School Programming Contest 2021
41
1663
2166
Two Roads
Ural School Programming Contest 2022
34
1927
2167
Cipher Message 5
Ural School Programming Contest 2022
159
502
2168
Runes in the Field
Ural School Programming Contest 2022
18
3028
2169
City Building 2
Ural School Programming Contest 2022
38
1766
2170
Experiment with Juice 2
Ural School Programming Contest 2022
51
1390
2171
Two Progressions 2
Ural School Programming Contest 2022
50
1413
2172
Meta-statement 2
Ural School Programming Contest 2022
102
757
2173
Meta-statement 3
Ural School Programming Contest 2022
92
832
2174
Dualism of Numbers
Ural School Programming Contest 2023
54
894
2175
Staircase
Ural School Programming Contest 2023
46
1021
2176
Wonderful Numbers
Ural School Programming Contest 2023
45
1040
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
36
1243
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
29
1466
2179
Need More Roads
Ural School Programming Contest 2023
27
1545
2180
Need More Tasks
Ural School Programming Contest 2023
34
1299
2181
Student, or There and Back Again
Ural School Programming Contest 2023
35
1269
2182
Broken Rum
Ural School Programming Contest 2024
76
665
2183
Good Mood
Ural School Programming Contest 2024
72
698
2184
Flint's Favorite Number
Ural School Programming Contest 2024
37
1216
2185
Journey to the Treasure
Ural School Programming Contest 2024
17
2114
2186
Hands Up!
Ural School Programming Contest 2024
23
1729
2187
Need More Gold
Ural School Programming Contest 2024
31
1394
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
23
1733
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
43
1079
2200
He is not a knight for you 2
University-Academy Olympiad 2020
26
1033
2201
Esports Tournament
University-Academy Olympiad 2020
23
1127
2202
Gorodki and Robots
University-Academy Olympiad 2020
21
1200
2203
Favorite Sandwiches
University-Academy Olympiad 2020
23
1127
2204
Friends and Exams
University-Academy Olympiad 2022
49
630
2205
Natural Numbers
University-Academy Olympiad 2022
36
809
2206
Runes in the Field 2
University-Academy Olympiad 2022
23
1127
2207
Catansonnes
University-Academy Olympiad 2022
19
1282
2208
Two Gifts
University-Academy Olympiad 2023
29
952
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
48
641
2210
Tycoon Simulator
University-Academy Olympiad 2023
21
1197
2211
Integer Triangles
University-Academy Olympiad 2023
23
1127
2212
Prefossum
University-Academy Olympiad 2024
25
1061
2213
A Small Fix
University-Academy Olympiad 2024
19
1281
2214
Quality Emitter
University-Academy Olympiad 2024
19
1280
2215
Global Changes
University-Academy Olympiad 2024
18
1326
Solved problems:
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authors
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