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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
15775
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10642
148
1022
Genealogical Tree
Autumn School Contest 2000
11105
142
1023
Buttons
Autumn School Contest 2000
7234
218
1024
Permutations
Autumn School Contest 2000
4890
322
1025
Democracy in Danger
Autumn School Contest 2000
23515
67
1026
Questions and Answers
Autumn School Contest 2000
10105
156
1027
D++ Again
Autumn School Contest 2000
2457
639
1082
Gaby Ivanushka
Spring School Contest 2001
10920
127
1083
Factorials!!!
Spring School Contest 2001
20331
68
1084
Goat in the Garden
Spring School Contest 2001
9190
150
1085
Meeting
Spring School Contest 2001
2196
628
1086
Cryptography
Spring School Contest 2001
12986
107
1087
The Time to Take Stones
Spring School Contest 2001
4989
277
1088
Ilya Murometz
Spring School Contest 2001
1845
746
1089
Verification with the Dictionary
Spring School Contest 2001
1637
841
1116
Piecewise Constant Function
Autumn School Contest 2001
1518
333
1117
Hierarchy
Autumn School Contest 2001
1803
280
1118
Nontrivial Numbers
Autumn School Contest 2001
4899
104
1119
Metro
Autumn School Contest 2001
7264
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5858
87
1121
Branches
Autumn School Contest 2001
1432
353
1122
Game
Autumn School Contest 2001
2018
251
1123
Salary
Autumn School Contest 2001
4150
122
1190
Bar of Chocolate
Spring School Contest 2002
1495
339
1191
Catch the thief!
Spring School Contest 2002
2045
249
1192
Ball in a Dream
Spring School Contest 2002
4654
110
1193
Queue at the Exam
Spring School Contest 2002
2805
181
1194
Handshakes
Spring School Contest 2002
6111
83
1195
Ouths and Crosses
Spring School Contest 2002
1955
260
1196
History Exam
Spring School Contest 2002
9730
52
1197
Lonesome Knight
Spring School Contest 2002
18413
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15052
34
1210
Kind Spirits
Autumn School Contest 2002
3040
169
1211
Collective Guarantee
Autumn School Contest 2002
1647
311
1212
Battleship
Autumn School Contest 2002
1035
493
1213
Cockroaches!
Autumn School Contest 2002
3002
171
1214
Strange Procedure
Autumn School Contest 2002
5011
103
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1699
301
1257
Hyphenation
Autumn School Contest 2003
292
1724
1258
Pool
Autumn School Contest 2003
1239
417
1259
How to Become Star?
Autumn School Contest 2003
1302
397
1260
Nudnik Photographer
Autumn School Contest 2003
4666
111
1261
Tips
Autumn School Contest 2003
1573
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1325
390
1263
Elections
Autumn School Contest 2003
12214
43
1264
Workdays
Autumn School Contest 2003
24813
21
1290
Sabotage
Spring School Contest 2004
6499
80
1291
Gear-wheels
Spring School Contest 2004
1359
382
1292
Mars Space Stations
Spring School Contest 2004
1367
380
1293
Eniya
Spring School Contest 2004
36099
14
1294
Mars Satellites
Spring School Contest 2004
1640
317
1295
Crazy Notions
Spring School Contest 2004
3445
151
1296
Hyperjump
Spring School Contest 2004
8639
60
1297
Palindrome
Spring School Contest 2004
6355
82
1298
Knight
Spring School Contest 2004
2229
234
1299
Psylonians
Spring School Contest 2004
333
1525
1327
Fuses
Autumn School Contest 2004
11181
47
1328
Fireball
Autumn School Contest 2004
365
1403
1329
Galactic History
Autumn School Contest 2004
1152
453
1330
Intervals
Autumn School Contest 2004
5485
96
1331
Vladislava
Autumn School Contest 2004
529
976
1332
Genie Bomber
Autumn School Contest 2004
850
612
1333
Genie Bomber 2
Autumn School Contest 2004
2396
219
1334
Checkers
Autumn School Contest 2004
965
540
1335
White Thesis
Autumn School Contest 2004
2876
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4275
123
1337
Bureaucracy
Autumn School Contest 2004
336
1521
1347
Blog
Spring School Contest 2005
379
1358
1348
Goat in the Garden 2
Spring School Contest 2005
2949
179
1349
Farm
Spring School Contest 2005
10386
51
1350
Canteen
Spring School Contest 2005
1368
383
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1013
516
1352
Mersenne Primes
Spring School Contest 2005
3993
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5113
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3808
138
1355
Bald Spot Revisited
Spring School Contest 2005
2476
212
1356
Something Easier
Spring School Contest 2005
1764
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
438
1179
1358
Cables
Spring School Contest 2005
968
540
1359
Construction
Spring School Contest 2005
445
1161
1400
Cellular Characters
Autumn School Contest 2005
955
549
1401
Gamers
Autumn School Contest 2005
3321
159
1402
Cocktails
Autumn School Contest 2005
4065
130
1403
Courier
Autumn School Contest 2005
1509
349
1404
Easy to Hack!
Autumn School Contest 2005
6644
80
1405
Goat in the Garden 5
Autumn School Contest 2005
736
710
1406
Next Number
Autumn School Contest 2005
1528
345
1407
One-two, One-two
Autumn School Contest 2005
1359
387
1408
Polynomial Multiplication
Autumn School Contest 2005
437
1186
1409
Two Gangsters
Autumn School Contest 2005
34680
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1263
388
1490
Fire Circle
Autumn School Contest 2006
2504
197
1491
Unreal Story
Autumn School Contest 2006
2400
205
1492
Vasya's Dad 2
Autumn School Contest 2006
238
1992
1493
One Step from Happiness
Autumn School Contest 2006
10459
47
1494
Monobilliards
Autumn School Contest 2006
5484
90
1495
One-two, One-two 2
Autumn School Contest 2006
1445
340
1496
Spammer
Autumn School Contest 2006
10083
49
1497
Cutting a Square
Autumn School Contest 2006
1624
302
1498
Stroke at Full Speed
Autumn School Contest 2006
550
882
1499
Kerchiefs
Autumn School Contest 2006
326
1471
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3138
146
1573
Alchemy
Autumn School Contest 2007
4271
108
1574
Mathematicians and brackets
Autumn School Contest 2007
1290
354
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
523
864
1576
Telephone Tariffs
Autumn School Contest 2007
3130
147
1577
E-mail
Autumn School Contest 2007
971
470
1578
Mammoth Hunt
Autumn School Contest 2007
515
877
1579
Coat Transportation
Autumn School Contest 2007
914
499
1580
Dean's Debts
Autumn School Contest 2007
512
882
1581
Teamwork
Autumn School Contest 2007
11374
40
1639
Chocolate 2
Autumn School Contest 2008
13195
32
1640
Circle of Winter
Autumn School Contest 2008
2399
178
1641
Duties
Autumn School Contest 2008
832
508
1642
1D Maze
Autumn School Contest 2008
4438
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
997
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4253
100
1645
Ski Race
Autumn School Contest 2008
2120
201
1646
Godzilla Strikes Back!
Autumn School Contest 2008
470
891
1647
Divide an Island!
Autumn School Contest 2008
505
831
1648
Yachts
Autumn School Contest 2008
1101
385
1722
Observation Deck
Ural Regional School Programming Contest 2009
286
1347
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6393
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
594
660
1725
Sold Out!
Ural Regional School Programming Contest 2009
2809
141
1726
Visits
Ural Regional School Programming Contest 2009
3323
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
751
524
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
626
627
1730
ManBearPig
Ural Regional School Programming Contest 2009
340
1139
1731
Dill
Ural Regional School Programming Contest 2009
3777
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22692
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3369
110
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14916
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2284
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
265
1346
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
241
1475
1792
Hamming Code
Ural Regional School Programming Contest 2010
4403
84
1793
Tray 2
Ural Regional School Programming Contest 2010
913
401
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1862
198
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1458
252
1796
Amusement Park
Ural Regional School Programming Contest 2010
3354
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
924
367
1874
Football Goal
Ural Regional School Programming Contest 2011
1715
199
1875
Angry Birds
Ural Regional School Programming Contest 2011
347
959
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6225
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17860
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1568
217
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
225
1457
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11318
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5549
62
1882
Old Nokia
Ural Regional School Programming Contest 2011
119
2655
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
271
1219
1884
Way to the University
Ural Regional School Programming Contest 2011
499
673
1921
Chaos and Order
Ural Regional School Programming Contest 2012
240
1264
1922
Superhero Team
Ural Regional School Programming Contest 2012
977
320
1923
Scary Politics
Ural Regional School Programming Contest 2012
574
541
1924
Four Imps
Ural Regional School Programming Contest 2012
8145
39
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4521
70
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
309
990
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
289
1057
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
403
765
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
816
382
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1930
163
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1814
159
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13342
22
2002
Test Task
Ural Regional School Programming Contest 2013
4054
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
790
362
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
373
757
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3108
93
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
67
3764
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
140
1932
2008
Swifty
Ural Regional School Programming Contest 2013
267
1046
2009
Canteen Line
Ural Regional School Programming Contest 2013
337
835
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2166
133
2011
Long Statement
Ural Regional School Programming Contest 2013
2816
103
2024
Adventure Time
Ural Regional School Programming Contest 2014
779
338
2025
Line Fighting
Ural Regional School Programming Contest 2014
4470
59
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
443
588
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
488
535
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
294
877
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
434
600
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
509
514
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3036
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
331
782
2033
Devices
Ural Regional School Programming Contest 2014
2586
103
2034
Caravans
Ural Regional School Programming Contest 2014
927
284
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3436
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
821
293
2063
Black and White
Ural Regional School Programming Contest 2015
559
428
2064
Caterpillars
Ural Regional School Programming Contest 2015
242
966
2065
Different Sums
Ural Regional School Programming Contest 2015
760
316
2066
Simple Expression
Ural Regional School Programming Contest 2015
8728
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
745
322
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2254
108
2069
Hard Rock
Ural Regional School Programming Contest 2015
1073
225
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1034
233
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
372
637
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1174
206
2073
Log Files
Ural Regional School Programming Contest 2015
1005
240
2111
Plato
University-Academy Olympiad 2019
2270
73
2112
Battle log
University-Academy Olympiad 2019
195
811
2113
Survive the flood
University-Academy Olympiad 2019
380
427
2114
My craft
University-Academy Olympiad 2019
160
979
2115
The Knowledge Day
University-Academy Olympiad 2019
723
227
2116
He is not a knight for you
University-Academy Olympiad 2019
182
866
2117
Polyphemus' triples
University-Academy Olympiad 2019
301
535
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1377
112
2139
Experiment with Juice
Ural School Programming Contest 2019
30
3878
2140
BitMazeCraft
Ural School Programming Contest 2019
128
1124
2141
Sasha Vilkin
Ural School Programming Contest 2019
609
251
2142
Magic
Ural School Programming Contest 2019
1218
126
2143
Victoria!
Ural School Programming Contest 2019
227
655
2144
Cleaning the Room
Ural School Programming Contest 2019
695
220
2145
Olympiad for Everyone
Ural School Programming Contest 2019
405
374
2146
Quiz Show
Ural School Programming Contest 2019
238
626
2147
City Building
Ural School Programming Contest 2019
78
1763
2148
Insane Shot
Ural School Programming Contest 2019
309
486
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1038
148
2150
4B and Zoo
Ural School Programming Contest 2020
105
1124
2151
Mahjong
Ural School Programming Contest 2020
142
850
2152
Tax Fees
Ural School Programming Contest 2020
104
1134
2153
Perfect Squad
Ural School Programming Contest 2020
129
930
2154
Flight on a Cannonball
Ural School Programming Contest 2020
45
2350
2155
Quadrocopter
Ural School Programming Contest 2020
124
964
2156
Interesting Conversations
Ural School Programming Contest 2020
190
646
2157
Skydiving
Ural School Programming Contest 2020
92
1267
2158
Two progressions
Ural School Programming Contest 2021
36
1747
2159
Essay
Ural School Programming Contest 2021
52
1298
2160
Meta-statement
Ural School Programming Contest 2021
65
1073
2161
Mount & Blade
Ural School Programming Contest 2021
101
725
2162
Graphmania
Ural School Programming Contest 2021
65
1072
2163
Interview
Ural School Programming Contest 2021
62
1116
2164
Bookmaker
Ural School Programming Contest 2021
41
1578
2165
Cake Cutter
Ural School Programming Contest 2021
39
1642
2166
Two Roads
Ural School Programming Contest 2022
32
1914
2167
Cipher Message 5
Ural School Programming Contest 2022
156
485
2168
Runes in the Field
Ural School Programming Contest 2022
16
3092
2169
City Building 2
Ural School Programming Contest 2022
35
1787
2170
Experiment with Juice 2
Ural School Programming Contest 2022
49
1363
2171
Two Progressions 2
Ural School Programming Contest 2022
48
1386
2172
Meta-statement 2
Ural School Programming Contest 2022
100
731
2173
Meta-statement 3
Ural School Programming Contest 2022
90
804
2174
Dualism of Numbers
Ural School Programming Contest 2023
50
878
2175
Staircase
Ural School Programming Contest 2023
41
1033
2176
Wonderful Numbers
Ural School Programming Contest 2023
42
1014
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
32
1254
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
24
1549
2179
Need More Roads
Ural School Programming Contest 2023
22
1645
2180
Need More Tasks
Ural School Programming Contest 2023
30
1317
2181
Student, or There and Back Again
Ural School Programming Contest 2023
33
1223
2182
Broken Rum
Ural School Programming Contest 2024
70
659
2183
Good Mood
Ural School Programming Contest 2024
66
693
2184
Flint's Favorite Number
Ural School Programming Contest 2024
33
1225
2185
Journey to the Treasure
Ural School Programming Contest 2024
15
2102
2186
Hands Up!
Ural School Programming Contest 2024
17
1947
2187
Need More Gold
Ural School Programming Contest 2024
26
1463
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
19
1816
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
37
1121
2200
He is not a knight for you 2
University-Academy Olympiad 2020
19
1123
2201
Esports Tournament
University-Academy Olympiad 2020
18
1163
2202
Gorodki and Robots
University-Academy Olympiad 2020
15
1303
2203
Favorite Sandwiches
University-Academy Olympiad 2020
15
1303
2204
Friends and Exams
University-Academy Olympiad 2022
39
665
2205
Natural Numbers
University-Academy Olympiad 2022
26
906
2206
Runes in the Field 2
University-Academy Olympiad 2022
16
1253
2207
Catansonnes
University-Academy Olympiad 2022
15
1303
2208
Two Gifts
University-Academy Olympiad 2023
21
1049
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
33
757
2210
Tycoon Simulator
University-Academy Olympiad 2023
16
1250
2211
Integer Triangles
University-Academy Olympiad 2023
16
1253
2212
Prefossum
University-Academy Olympiad 2024
19
1122
2213
A Small Fix
University-Academy Olympiad 2024
14
1355
2214
Quality Emitter
University-Academy Olympiad 2024
14
1355
2215
Global Changes
University-Academy Olympiad 2024
13
1414
Solved problems:
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authors
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difficulty
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