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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
15739
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10626
147
1022
Genealogical Tree
Autumn School Contest 2000
11049
142
1023
Buttons
Autumn School Contest 2000
7221
217
1024
Permutations
Autumn School Contest 2000
4877
321
1025
Democracy in Danger
Autumn School Contest 2000
23445
67
1026
Questions and Answers
Autumn School Contest 2000
10082
155
1027
D++ Again
Autumn School Contest 2000
2450
638
1082
Gaby Ivanushka
Spring School Contest 2001
10910
126
1083
Factorials!!!
Spring School Contest 2001
20269
68
1084
Goat in the Garden
Spring School Contest 2001
9176
150
1085
Meeting
Spring School Contest 2001
2194
625
1086
Cryptography
Spring School Contest 2001
12951
106
1087
The Time to Take Stones
Spring School Contest 2001
4981
276
1088
Ilya Murometz
Spring School Contest 2001
1826
750
1089
Verification with the Dictionary
Spring School Contest 2001
1630
840
1116
Piecewise Constant Function
Autumn School Contest 2001
1514
332
1117
Hierarchy
Autumn School Contest 2001
1800
280
1118
Nontrivial Numbers
Autumn School Contest 2001
4890
103
1119
Metro
Autumn School Contest 2001
7223
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5843
86
1121
Branches
Autumn School Contest 2001
1426
352
1122
Game
Autumn School Contest 2001
2013
250
1123
Salary
Autumn School Contest 2001
4139
122
1190
Bar of Chocolate
Spring School Contest 2002
1490
339
1191
Catch the thief!
Spring School Contest 2002
2041
248
1192
Ball in a Dream
Spring School Contest 2002
4637
109
1193
Queue at the Exam
Spring School Contest 2002
2801
181
1194
Handshakes
Spring School Contest 2002
6095
83
1195
Ouths and Crosses
Spring School Contest 2002
1949
260
1196
History Exam
Spring School Contest 2002
9699
52
1197
Lonesome Knight
Spring School Contest 2002
18346
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15004
34
1210
Kind Spirits
Autumn School Contest 2002
3003
170
1211
Collective Guarantee
Autumn School Contest 2002
1642
310
1212
Battleship
Autumn School Contest 2002
1031
492
1213
Cockroaches!
Autumn School Contest 2002
2991
171
1214
Strange Procedure
Autumn School Contest 2002
4999
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1695
301
1257
Hyphenation
Autumn School Contest 2003
288
1740
1258
Pool
Autumn School Contest 2003
1232
417
1259
How to Become Star?
Autumn School Contest 2003
1298
396
1260
Nudnik Photographer
Autumn School Contest 2003
4650
111
1261
Tips
Autumn School Contest 2003
1564
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1319
390
1263
Elections
Autumn School Contest 2003
12185
43
1264
Workdays
Autumn School Contest 2003
24737
21
1290
Sabotage
Spring School Contest 2004
6484
80
1291
Gear-wheels
Spring School Contest 2004
1352
382
1292
Mars Space Stations
Spring School Contest 2004
1361
380
1293
Eniya
Spring School Contest 2004
35977
14
1294
Mars Satellites
Spring School Contest 2004
1635
317
1295
Crazy Notions
Spring School Contest 2004
3433
151
1296
Hyperjump
Spring School Contest 2004
8373
62
1297
Palindrome
Spring School Contest 2004
6334
82
1298
Knight
Spring School Contest 2004
2226
233
1299
Psylonians
Spring School Contest 2004
329
1536
1327
Fuses
Autumn School Contest 2004
11149
47
1328
Fireball
Autumn School Contest 2004
363
1405
1329
Galactic History
Autumn School Contest 2004
1138
456
1330
Intervals
Autumn School Contest 2004
5474
96
1331
Vladislava
Autumn School Contest 2004
521
987
1332
Genie Bomber
Autumn School Contest 2004
843
614
1333
Genie Bomber 2
Autumn School Contest 2004
2393
218
1334
Checkers
Autumn School Contest 2004
961
540
1335
White Thesis
Autumn School Contest 2004
2866
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4265
123
1337
Bureaucracy
Autumn School Contest 2004
332
1532
1347
Blog
Spring School Contest 2005
376
1363
1348
Goat in the Garden 2
Spring School Contest 2005
2942
178
1349
Farm
Spring School Contest 2005
10363
51
1350
Canteen
Spring School Contest 2005
1346
388
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1000
521
1352
Mersenne Primes
Spring School Contest 2005
3983
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5088
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3788
138
1355
Bald Spot Revisited
Spring School Contest 2005
2471
212
1356
Something Easier
Spring School Contest 2005
1756
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
434
1185
1358
Cables
Spring School Contest 2005
966
539
1359
Construction
Spring School Contest 2005
442
1164
1400
Cellular Characters
Autumn School Contest 2005
952
549
1401
Gamers
Autumn School Contest 2005
3173
166
1402
Cocktails
Autumn School Contest 2005
4049
130
1403
Courier
Autumn School Contest 2005
1500
349
1404
Easy to Hack!
Autumn School Contest 2005
6622
80
1405
Goat in the Garden 5
Autumn School Contest 2005
731
712
1406
Next Number
Autumn School Contest 2005
1518
345
1407
One-two, One-two
Autumn School Contest 2005
1356
386
1408
Polynomial Multiplication
Autumn School Contest 2005
426
1210
1409
Two Gangsters
Autumn School Contest 2005
34570
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1258
388
1490
Fire Circle
Autumn School Contest 2006
2499
196
1491
Unreal Story
Autumn School Contest 2006
2393
205
1492
Vasya's Dad 2
Autumn School Contest 2006
234
2015
1493
One Step from Happiness
Autumn School Contest 2006
10432
47
1494
Monobilliards
Autumn School Contest 2006
5307
92
1495
One-two, One-two 2
Autumn School Contest 2006
1442
339
1496
Spammer
Autumn School Contest 2006
10056
49
1497
Cutting a Square
Autumn School Contest 2006
1615
303
1498
Stroke at Full Speed
Autumn School Contest 2006
545
886
1499
Kerchiefs
Autumn School Contest 2006
324
1472
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3121
146
1573
Alchemy
Autumn School Contest 2007
4260
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1283
354
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
522
861
1576
Telephone Tariffs
Autumn School Contest 2007
3122
146
1577
E-mail
Autumn School Contest 2007
963
471
1578
Mammoth Hunt
Autumn School Contest 2007
511
879
1579
Coat Transportation
Autumn School Contest 2007
911
497
1580
Dean's Debts
Autumn School Contest 2007
509
882
1581
Teamwork
Autumn School Contest 2007
11347
40
1639
Chocolate 2
Autumn School Contest 2008
13157
32
1640
Circle of Winter
Autumn School Contest 2008
2392
177
1641
Duties
Autumn School Contest 2008
830
506
1642
1D Maze
Autumn School Contest 2008
4427
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
990
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4236
100
1645
Ski Race
Autumn School Contest 2008
2116
200
1646
Godzilla Strikes Back!
Autumn School Contest 2008
468
889
1647
Divide an Island!
Autumn School Contest 2008
499
835
1648
Yachts
Autumn School Contest 2008
1097
384
1722
Observation Deck
Ural Regional School Programming Contest 2009
283
1350
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6353
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
589
661
1725
Sold Out!
Ural Regional School Programming Contest 2009
2802
141
1726
Visits
Ural Regional School Programming Contest 2009
3151
125
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1966
200
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
746
523
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
622
626
1730
ManBearPig
Ural Regional School Programming Contest 2009
336
1144
1731
Dill
Ural Regional School Programming Contest 2009
3768
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22605
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3355
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14838
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2276
161
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1671
218
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
260
1360
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
238
1480
1792
Hamming Code
Ural Regional School Programming Contest 2010
4387
83
1793
Tray 2
Ural Regional School Programming Contest 2010
911
399
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1857
197
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1452
251
1796
Amusement Park
Ural Regional School Programming Contest 2010
3340
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
918
366
1874
Football Goal
Ural Regional School Programming Contest 2011
1711
197
1875
Angry Birds
Ural Regional School Programming Contest 2011
342
964
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6201
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17763
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1565
215
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
220
1475
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11261
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5530
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
115
2714
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
268
1220
1884
Way to the University
Ural Regional School Programming Contest 2011
497
669
1921
Chaos and Order
Ural Regional School Programming Contest 2012
238
1260
1922
Superhero Team
Ural Regional School Programming Contest 2012
976
317
1923
Scary Politics
Ural Regional School Programming Contest 2012
570
539
1924
Four Imps
Ural Regional School Programming Contest 2012
8115
38
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4506
69
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
303
999
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
285
1059
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
397
768
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
814
379
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1884
165
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1806
158
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13265
22
2002
Test Task
Ural Regional School Programming Contest 2013
4030
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
786
360
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
367
759
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3095
92
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
62
3977
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
135
1975
2008
Swifty
Ural Regional School Programming Contest 2013
262
1053
2009
Canteen Line
Ural Regional School Programming Contest 2013
333
835
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2152
132
2011
Long Statement
Ural Regional School Programming Contest 2013
2800
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
775
335
2025
Line Fighting
Ural Regional School Programming Contest 2014
4340
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
441
583
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
483
533
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
291
873
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
430
597
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
503
512
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3023
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
325
785
2033
Devices
Ural Regional School Programming Contest 2014
2572
102
2034
Caravans
Ural Regional School Programming Contest 2014
912
285
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3420
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
818
290
2063
Black and White
Ural Regional School Programming Contest 2015
555
424
2064
Caterpillars
Ural Regional School Programming Contest 2015
237
971
2065
Different Sums
Ural Regional School Programming Contest 2015
756
313
2066
Simple Expression
Ural Regional School Programming Contest 2015
8667
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
738
321
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2240
107
2069
Hard Rock
Ural Regional School Programming Contest 2015
1067
223
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1030
231
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
369
633
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1167
204
2073
Log Files
Ural Regional School Programming Contest 2015
999
238
2111
Plato
University-Academy Olympiad 2019
2245
72
2112
Battle log
University-Academy Olympiad 2019
190
811
2113
Survive the flood
University-Academy Olympiad 2019
372
425
2114
My craft
University-Academy Olympiad 2019
154
989
2115
The Knowledge Day
University-Academy Olympiad 2019
715
224
2116
He is not a knight for you
University-Academy Olympiad 2019
178
863
2117
Polyphemus' triples
University-Academy Olympiad 2019
294
534
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1350
111
2139
Experiment with Juice
Ural School Programming Contest 2019
23
4574
2140
BitMazeCraft
Ural School Programming Contest 2019
121
1152
2141
Sasha Vilkin
Ural School Programming Contest 2019
592
251
2142
Magic
Ural School Programming Contest 2019
1196
125
2143
Victoria!
Ural School Programming Contest 2019
216
668
2144
Cleaning the Room
Ural School Programming Contest 2019
669
222
2145
Olympiad for Everyone
Ural School Programming Contest 2019
392
376
2146
Quiz Show
Ural School Programming Contest 2019
228
634
2147
City Building
Ural School Programming Contest 2019
70
1887
2148
Insane Shot
Ural School Programming Contest 2019
294
497
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1006
149
2150
4B and Zoo
Ural School Programming Contest 2020
98
1157
2151
Mahjong
Ural School Programming Contest 2020
130
892
2152
Tax Fees
Ural School Programming Contest 2020
98
1157
2153
Perfect Squad
Ural School Programming Contest 2020
121
954
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2658
2155
Quadrocopter
Ural School Programming Contest 2020
117
984
2156
Interesting Conversations
Ural School Programming Contest 2020
184
644
2157
Skydiving
Ural School Programming Contest 2020
87
1288
2158
Two progressions
Ural School Programming Contest 2021
29
1944
2159
Essay
Ural School Programming Contest 2021
44
1407
2160
Meta-statement
Ural School Programming Contest 2021
58
1117
2161
Mount & Blade
Ural School Programming Contest 2021
90
759
2162
Graphmania
Ural School Programming Contest 2021
59
1100
2163
Interview
Ural School Programming Contest 2021
55
1167
2164
Bookmaker
Ural School Programming Contest 2021
35
1688
2165
Cake Cutter
Ural School Programming Contest 2021
32
1807
2166
Two Roads
Ural School Programming Contest 2022
24
2232
2167
Cipher Message 5
Ural School Programming Contest 2022
145
490
2168
Runes in the Field
Ural School Programming Contest 2022
10
3794
2169
City Building 2
Ural School Programming Contest 2022
29
1945
2170
Experiment with Juice 2
Ural School Programming Contest 2022
45
1379
2171
Two Progressions 2
Ural School Programming Contest 2022
40
1517
2172
Meta-statement 2
Ural School Programming Contest 2022
95
723
2173
Meta-statement 3
Ural School Programming Contest 2022
82
825
2174
Dualism of Numbers
Ural School Programming Contest 2023
42
923
2175
Staircase
Ural School Programming Contest 2023
33
1116
2176
Wonderful Numbers
Ural School Programming Contest 2023
32
1144
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
20
1600
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
14
1999
2179
Need More Roads
Ural School Programming Contest 2023
13
2086
2180
Need More Tasks
Ural School Programming Contest 2023
20
1600
2181
Student, or There and Back Again
Ural School Programming Contest 2023
24
1409
2182
Broken Rum
Ural School Programming Contest 2024
59
696
2183
Good Mood
Ural School Programming Contest 2024
55
739
2184
Flint's Favorite Number
Ural School Programming Contest 2024
24
1411
2185
Journey to the Treasure
Ural School Programming Contest 2024
8
2661
2186
Hands Up!
Ural School Programming Contest 2024
8
2660
2187
Need More Gold
Ural School Programming Contest 2024
17
1777
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
10
2400
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
31
1171
2200
He is not a knight for you 2
University-Academy Olympiad 2020
6
1738
2201
Esports Tournament
University-Academy Olympiad 2020
4
1986
2202
Gorodki and Robots
University-Academy Olympiad 2020
3
2139
2203
Favorite Sandwiches
University-Academy Olympiad 2020
4
1986
2204
Friends and Exams
University-Academy Olympiad 2022
12
1264
2205
Natural Numbers
University-Academy Olympiad 2022
11
1326
2206
Runes in the Field 2
University-Academy Olympiad 2022
3
2139
2207
Catansonnes
University-Academy Olympiad 2022
3
2139
2208
Two Gifts
University-Academy Olympiad 2023
7
1633
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
6
1738
2210
Tycoon Simulator
University-Academy Olympiad 2023
2
2310
2211
Integer Triangles
University-Academy Olympiad 2023
3
2139
2212
Prefossum
University-Academy Olympiad 2024
4
1983
2213
A Small Fix
University-Academy Olympiad 2024
3
2135
2214
Quality Emitter
University-Academy Olympiad 2024
3
2135
2215
Global Changes
University-Academy Olympiad 2024
2
2313
Solved problems:
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authors
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difficulty
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