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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
15734
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10617
147
1022
Genealogical Tree
Autumn School Contest 2000
11043
142
1023
Buttons
Autumn School Contest 2000
7219
217
1024
Permutations
Autumn School Contest 2000
4875
321
1025
Democracy in Danger
Autumn School Contest 2000
23398
67
1026
Questions and Answers
Autumn School Contest 2000
10047
156
1027
D++ Again
Autumn School Contest 2000
2449
637
1082
Gaby Ivanushka
Spring School Contest 2001
10907
126
1083
Factorials!!!
Spring School Contest 2001
20254
68
1084
Goat in the Garden
Spring School Contest 2001
9167
150
1085
Meeting
Spring School Contest 2001
2192
625
1086
Cryptography
Spring School Contest 2001
12942
106
1087
The Time to Take Stones
Spring School Contest 2001
4971
276
1088
Ilya Murometz
Spring School Contest 2001
1825
750
1089
Verification with the Dictionary
Spring School Contest 2001
1627
841
1116
Piecewise Constant Function
Autumn School Contest 2001
1513
332
1117
Hierarchy
Autumn School Contest 2001
1800
279
1118
Nontrivial Numbers
Autumn School Contest 2001
4877
103
1119
Metro
Autumn School Contest 2001
7220
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5838
86
1121
Branches
Autumn School Contest 2001
1425
352
1122
Game
Autumn School Contest 2001
2012
250
1123
Salary
Autumn School Contest 2001
4134
122
1190
Bar of Chocolate
Spring School Contest 2002
1487
339
1191
Catch the thief!
Spring School Contest 2002
2038
248
1192
Ball in a Dream
Spring School Contest 2002
4634
109
1193
Queue at the Exam
Spring School Contest 2002
2797
181
1194
Handshakes
Spring School Contest 2002
6092
83
1195
Ouths and Crosses
Spring School Contest 2002
1946
260
1196
History Exam
Spring School Contest 2002
9690
52
1197
Lonesome Knight
Spring School Contest 2002
18324
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14983
34
1210
Kind Spirits
Autumn School Contest 2002
3001
170
1211
Collective Guarantee
Autumn School Contest 2002
1639
311
1212
Battleship
Autumn School Contest 2002
1029
493
1213
Cockroaches!
Autumn School Contest 2002
2989
171
1214
Strange Procedure
Autumn School Contest 2002
4994
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1695
300
1257
Hyphenation
Autumn School Contest 2003
286
1750
1258
Pool
Autumn School Contest 2003
1231
417
1259
How to Become Star?
Autumn School Contest 2003
1296
397
1260
Nudnik Photographer
Autumn School Contest 2003
4648
111
1261
Tips
Autumn School Contest 2003
1561
330
1262
Pseudo-Roman Number
Autumn School Contest 2003
1317
390
1263
Elections
Autumn School Contest 2003
12174
43
1264
Workdays
Autumn School Contest 2003
24716
21
1290
Sabotage
Spring School Contest 2004
6481
80
1291
Gear-wheels
Spring School Contest 2004
1349
383
1292
Mars Space Stations
Spring School Contest 2004
1360
380
1293
Eniya
Spring School Contest 2004
35952
14
1294
Mars Satellites
Spring School Contest 2004
1635
316
1295
Crazy Notions
Spring School Contest 2004
3431
151
1296
Hyperjump
Spring School Contest 2004
8339
62
1297
Palindrome
Spring School Contest 2004
6329
82
1298
Knight
Spring School Contest 2004
2225
233
1299
Psylonians
Spring School Contest 2004
328
1540
1327
Fuses
Autumn School Contest 2004
11144
47
1328
Fireball
Autumn School Contest 2004
360
1415
1329
Galactic History
Autumn School Contest 2004
1133
458
1330
Intervals
Autumn School Contest 2004
5467
96
1331
Vladislava
Autumn School Contest 2004
519
990
1332
Genie Bomber
Autumn School Contest 2004
839
617
1333
Genie Bomber 2
Autumn School Contest 2004
2391
218
1334
Checkers
Autumn School Contest 2004
959
540
1335
White Thesis
Autumn School Contest 2004
2862
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4259
123
1337
Bureaucracy
Autumn School Contest 2004
332
1531
1347
Blog
Spring School Contest 2005
375
1365
1348
Goat in the Garden 2
Spring School Contest 2005
2935
178
1349
Farm
Spring School Contest 2005
10350
51
1350
Canteen
Spring School Contest 2005
1341
389
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
993
524
1352
Mersenne Primes
Spring School Contest 2005
3979
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5081
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3779
139
1355
Bald Spot Revisited
Spring School Contest 2005
2470
212
1356
Something Easier
Spring School Contest 2005
1754
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
430
1195
1358
Cables
Spring School Contest 2005
964
540
1359
Construction
Spring School Contest 2005
441
1165
1400
Cellular Characters
Autumn School Contest 2005
951
549
1401
Gamers
Autumn School Contest 2005
3140
167
1402
Cocktails
Autumn School Contest 2005
4043
130
1403
Courier
Autumn School Contest 2005
1496
350
1404
Easy to Hack!
Autumn School Contest 2005
6616
80
1405
Goat in the Garden 5
Autumn School Contest 2005
726
717
1406
Next Number
Autumn School Contest 2005
1515
346
1407
One-two, One-two
Autumn School Contest 2005
1354
387
1408
Polynomial Multiplication
Autumn School Contest 2005
425
1212
1409
Two Gangsters
Autumn School Contest 2005
34550
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1256
388
1490
Fire Circle
Autumn School Contest 2006
2498
196
1491
Unreal Story
Autumn School Contest 2006
2387
205
1492
Vasya's Dad 2
Autumn School Contest 2006
233
2022
1493
One Step from Happiness
Autumn School Contest 2006
10426
47
1494
Monobilliards
Autumn School Contest 2006
5293
93
1495
One-two, One-two 2
Autumn School Contest 2006
1437
340
1496
Spammer
Autumn School Contest 2006
10046
49
1497
Cutting a Square
Autumn School Contest 2006
1615
302
1498
Stroke at Full Speed
Autumn School Contest 2006
543
888
1499
Kerchiefs
Autumn School Contest 2006
323
1475
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3115
146
1573
Alchemy
Autumn School Contest 2007
4256
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1280
355
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
521
862
1576
Telephone Tariffs
Autumn School Contest 2007
3120
146
1577
E-mail
Autumn School Contest 2007
958
473
1578
Mammoth Hunt
Autumn School Contest 2007
506
887
1579
Coat Transportation
Autumn School Contest 2007
908
498
1580
Dean's Debts
Autumn School Contest 2007
505
889
1581
Teamwork
Autumn School Contest 2007
11343
40
1639
Chocolate 2
Autumn School Contest 2008
13141
32
1640
Circle of Winter
Autumn School Contest 2008
2390
177
1641
Duties
Autumn School Contest 2008
827
507
1642
1D Maze
Autumn School Contest 2008
4423
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
987
426
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4229
100
1645
Ski Race
Autumn School Contest 2008
2114
200
1646
Godzilla Strikes Back!
Autumn School Contest 2008
464
896
1647
Divide an Island!
Autumn School Contest 2008
498
836
1648
Yachts
Autumn School Contest 2008
1094
385
1722
Observation Deck
Ural Regional School Programming Contest 2009
282
1354
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6350
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
584
665
1725
Sold Out!
Ural Regional School Programming Contest 2009
2798
141
1726
Visits
Ural Regional School Programming Contest 2009
3133
126
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1965
200
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
742
526
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
618
629
1730
ManBearPig
Ural Regional School Programming Contest 2009
334
1149
1731
Dill
Ural Regional School Programming Contest 2009
3767
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22590
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3350
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14819
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2272
161
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1670
218
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
258
1368
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
238
1479
1792
Hamming Code
Ural Regional School Programming Contest 2010
4387
83
1793
Tray 2
Ural Regional School Programming Contest 2010
911
398
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1854
197
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1451
251
1796
Amusement Park
Ural Regional School Programming Contest 2010
3336
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
918
365
1874
Football Goal
Ural Regional School Programming Contest 2011
1710
197
1875
Angry Birds
Ural Regional School Programming Contest 2011
339
971
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6200
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17752
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1565
215
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
220
1473
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11228
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5527
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
114
2732
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
267
1223
1884
Way to the University
Ural Regional School Programming Contest 2011
496
670
1921
Chaos and Order
Ural Regional School Programming Contest 2012
237
1263
1922
Superhero Team
Ural Regional School Programming Contest 2012
975
317
1923
Scary Politics
Ural Regional School Programming Contest 2012
564
544
1924
Four Imps
Ural Regional School Programming Contest 2012
8110
38
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4502
69
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
297
1017
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
281
1072
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
392
776
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
814
379
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1877
165
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1805
157
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13253
22
2002
Test Task
Ural Regional School Programming Contest 2013
4025
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
783
360
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
365
762
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3092
92
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
62
3970
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
135
1971
2008
Swifty
Ural Regional School Programming Contest 2013
257
1071
2009
Canteen Line
Ural Regional School Programming Contest 2013
330
841
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2149
132
2011
Long Statement
Ural Regional School Programming Contest 2013
2794
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
771
336
2025
Line Fighting
Ural Regional School Programming Contest 2014
4305
61
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
434
591
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
481
534
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
290
875
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
424
605
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
501
514
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3021
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
324
786
2033
Devices
Ural Regional School Programming Contest 2014
2563
102
2034
Caravans
Ural Regional School Programming Contest 2014
910
285
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3420
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
813
291
2063
Black and White
Ural Regional School Programming Contest 2015
554
424
2064
Caterpillars
Ural Regional School Programming Contest 2015
235
976
2065
Different Sums
Ural Regional School Programming Contest 2015
756
312
2066
Simple Expression
Ural Regional School Programming Contest 2015
8653
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
733
322
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2231
107
2069
Hard Rock
Ural Regional School Programming Contest 2015
1067
222
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1023
232
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
364
640
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1161
204
2073
Log Files
Ural Regional School Programming Contest 2015
997
238
2111
Plato
University-Academy Olympiad 2019
2239
72
2112
Battle log
University-Academy Olympiad 2019
188
817
2113
Survive the flood
University-Academy Olympiad 2019
371
424
2114
My craft
University-Academy Olympiad 2019
148
1023
2115
The Knowledge Day
University-Academy Olympiad 2019
712
224
2116
He is not a knight for you
University-Academy Olympiad 2019
176
869
2117
Polyphemus' triples
University-Academy Olympiad 2019
289
541
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1345
111
2139
Experiment with Juice
Ural School Programming Contest 2019
23
4557
2140
BitMazeCraft
Ural School Programming Contest 2019
118
1175
2141
Sasha Vilkin
Ural School Programming Contest 2019
589
251
2142
Magic
Ural School Programming Contest 2019
1191
125
2143
Victoria!
Ural School Programming Contest 2019
214
671
2144
Cleaning the Room
Ural School Programming Contest 2019
663
223
2145
Olympiad for Everyone
Ural School Programming Contest 2019
390
376
2146
Quiz Show
Ural School Programming Contest 2019
223
645
2147
City Building
Ural School Programming Contest 2019
68
1928
2148
Insane Shot
Ural School Programming Contest 2019
291
500
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1001
149
2150
4B and Zoo
Ural School Programming Contest 2020
96
1173
2151
Mahjong
Ural School Programming Contest 2020
127
908
2152
Tax Fees
Ural School Programming Contest 2020
96
1173
2153
Perfect Squad
Ural School Programming Contest 2020
119
964
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2646
2155
Quadrocopter
Ural School Programming Contest 2020
113
1011
2156
Interesting Conversations
Ural School Programming Contest 2020
182
648
2157
Skydiving
Ural School Programming Contest 2020
86
1295
2158
Two progressions
Ural School Programming Contest 2021
29
1928
2159
Essay
Ural School Programming Contest 2021
41
1477
2160
Meta-statement
Ural School Programming Contest 2021
56
1142
2161
Mount & Blade
Ural School Programming Contest 2021
86
785
2162
Graphmania
Ural School Programming Contest 2021
58
1107
2163
Interview
Ural School Programming Contest 2021
52
1213
2164
Bookmaker
Ural School Programming Contest 2021
35
1674
2165
Cake Cutter
Ural School Programming Contest 2021
31
1836
2166
Two Roads
Ural School Programming Contest 2022
24
2213
2167
Cipher Message 5
Ural School Programming Contest 2022
143
492
2168
Runes in the Field
Ural School Programming Contest 2022
10
3763
2169
City Building 2
Ural School Programming Contest 2022
28
1980
2170
Experiment with Juice 2
Ural School Programming Contest 2022
43
1420
2171
Two Progressions 2
Ural School Programming Contest 2022
39
1536
2172
Meta-statement 2
Ural School Programming Contest 2022
93
731
2173
Meta-statement 3
Ural School Programming Contest 2022
79
846
2174
Dualism of Numbers
Ural School Programming Contest 2023
40
948
2175
Staircase
Ural School Programming Contest 2023
30
1184
2176
Wonderful Numbers
Ural School Programming Contest 2023
31
1156
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
18
1692
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
14
1973
2179
Need More Roads
Ural School Programming Contest 2023
12
2151
2180
Need More Tasks
Ural School Programming Contest 2023
18
1691
2181
Student, or There and Back Again
Ural School Programming Contest 2023
19
1630
2182
Broken Rum
Ural School Programming Contest 2024
56
718
2183
Good Mood
Ural School Programming Contest 2024
54
740
2184
Flint's Favorite Number
Ural School Programming Contest 2024
23
1435
2185
Journey to the Treasure
Ural School Programming Contest 2024
8
2625
2186
Hands Up!
Ural School Programming Contest 2024
8
2625
2187
Need More Gold
Ural School Programming Contest 2024
16
1821
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
10
2369
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
30
1184
2200
He is not a knight for you 2
University-Academy Olympiad 2020
3
2089
2201
Esports Tournament
University-Academy Olympiad 2020
2
2263
2202
Gorodki and Robots
University-Academy Olympiad 2020
2
2263
2203
Favorite Sandwiches
University-Academy Olympiad 2020
2
2263
2204
Friends and Exams
University-Academy Olympiad 2022
4
1940
2205
Natural Numbers
University-Academy Olympiad 2022
4
1943
2206
Runes in the Field 2
University-Academy Olympiad 2022
2
2263
2207
Catansonnes
University-Academy Olympiad 2022
2
2263
2208
Two Gifts
University-Academy Olympiad 2023
3
2086
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
2
2263
2210
Tycoon Simulator
University-Academy Olympiad 2023
1
2461
2211
Integer Triangles
University-Academy Olympiad 2023
1
2469
2212
Prefossum
University-Academy Olympiad 2024
1
2465
2213
A Small Fix
University-Academy Olympiad 2024
1
2465
2214
Quality Emitter
University-Academy Olympiad 2024
1
2464
2215
Global Changes
University-Academy Olympiad 2024
1
2464
Solved problems:
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authors
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