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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
15744
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10627
148
1022
Genealogical Tree
Autumn School Contest 2000
11052
142
1023
Buttons
Autumn School Contest 2000
7223
217
1024
Permutations
Autumn School Contest 2000
4883
321
1025
Democracy in Danger
Autumn School Contest 2000
23462
67
1026
Questions and Answers
Autumn School Contest 2000
10091
155
1027
D++ Again
Autumn School Contest 2000
2453
637
1082
Gaby Ivanushka
Spring School Contest 2001
10913
126
1083
Factorials!!!
Spring School Contest 2001
20283
68
1084
Goat in the Garden
Spring School Contest 2001
9179
150
1085
Meeting
Spring School Contest 2001
2195
625
1086
Cryptography
Spring School Contest 2001
12958
106
1087
The Time to Take Stones
Spring School Contest 2001
4982
276
1088
Ilya Murometz
Spring School Contest 2001
1829
750
1089
Verification with the Dictionary
Spring School Contest 2001
1633
839
1116
Piecewise Constant Function
Autumn School Contest 2001
1515
332
1117
Hierarchy
Autumn School Contest 2001
1800
280
1118
Nontrivial Numbers
Autumn School Contest 2001
4890
103
1119
Metro
Autumn School Contest 2001
7224
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5845
86
1121
Branches
Autumn School Contest 2001
1427
352
1122
Game
Autumn School Contest 2001
2014
250
1123
Salary
Autumn School Contest 2001
4140
122
1190
Bar of Chocolate
Spring School Contest 2002
1492
339
1191
Catch the thief!
Spring School Contest 2002
2041
248
1192
Ball in a Dream
Spring School Contest 2002
4643
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
1953
259
1196
History Exam
Spring School Contest 2002
9701
52
1197
Lonesome Knight
Spring School Contest 2002
18363
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15014
34
1210
Kind Spirits
Autumn School Contest 2002
3003
170
1211
Collective Guarantee
Autumn School Contest 2002
1643
310
1212
Battleship
Autumn School Contest 2002
1031
493
1213
Cockroaches!
Autumn School Contest 2002
2993
171
1214
Strange Procedure
Autumn School Contest 2002
5000
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1697
300
1257
Hyphenation
Autumn School Contest 2003
289
1735
1258
Pool
Autumn School Contest 2003
1234
417
1259
How to Become Star?
Autumn School Contest 2003
1298
397
1260
Nudnik Photographer
Autumn School Contest 2003
4653
111
1261
Tips
Autumn School Contest 2003
1567
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1322
389
1263
Elections
Autumn School Contest 2003
12189
43
1264
Workdays
Autumn School Contest 2003
24753
21
1290
Sabotage
Spring School Contest 2004
6485
80
1291
Gear-wheels
Spring School Contest 2004
1354
382
1292
Mars Space Stations
Spring School Contest 2004
1365
379
1293
Eniya
Spring School Contest 2004
36003
14
1294
Mars Satellites
Spring School Contest 2004
1638
316
1295
Crazy Notions
Spring School Contest 2004
3436
151
1296
Hyperjump
Spring School Contest 2004
8459
62
1297
Palindrome
Spring School Contest 2004
6336
82
1298
Knight
Spring School Contest 2004
2226
233
1299
Psylonians
Spring School Contest 2004
330
1533
1327
Fuses
Autumn School Contest 2004
11152
47
1328
Fireball
Autumn School Contest 2004
363
1406
1329
Galactic History
Autumn School Contest 2004
1139
456
1330
Intervals
Autumn School Contest 2004
5478
96
1331
Vladislava
Autumn School Contest 2004
525
980
1332
Genie Bomber
Autumn School Contest 2004
847
612
1333
Genie Bomber 2
Autumn School Contest 2004
2393
218
1334
Checkers
Autumn School Contest 2004
963
539
1335
White Thesis
Autumn School Contest 2004
2868
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4268
123
1337
Bureaucracy
Autumn School Contest 2004
333
1529
1347
Blog
Spring School Contest 2005
376
1363
1348
Goat in the Garden 2
Spring School Contest 2005
2944
178
1349
Farm
Spring School Contest 2005
10366
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
3987
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5091
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3789
139
1355
Bald Spot Revisited
Spring School Contest 2005
2471
212
1356
Something Easier
Spring School Contest 2005
1759
297
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
436
1180
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
3193
165
1402
Cocktails
Autumn School Contest 2005
4052
130
1403
Courier
Autumn School Contest 2005
1504
349
1404
Easy to Hack!
Autumn School Contest 2005
6627
80
1405
Goat in the Garden 5
Autumn School Contest 2005
733
711
1406
Next Number
Autumn School Contest 2005
1521
345
1407
One-two, One-two
Autumn School Contest 2005
1357
386
1408
Polynomial Multiplication
Autumn School Contest 2005
426
1211
1409
Two Gangsters
Autumn School Contest 2005
34592
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1258
388
1490
Fire Circle
Autumn School Contest 2006
2501
196
1491
Unreal Story
Autumn School Contest 2006
2395
205
1492
Vasya's Dad 2
Autumn School Contest 2006
236
2000
1493
One Step from Happiness
Autumn School Contest 2006
10437
47
1494
Monobilliards
Autumn School Contest 2006
5327
92
1495
One-two, One-two 2
Autumn School Contest 2006
1445
338
1496
Spammer
Autumn School Contest 2006
10061
49
1497
Cutting a Square
Autumn School Contest 2006
1617
302
1498
Stroke at Full Speed
Autumn School Contest 2006
546
885
1499
Kerchiefs
Autumn School Contest 2006
324
1473
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3121
146
1573
Alchemy
Autumn School Contest 2007
4262
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1287
353
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
522
862
1576
Telephone Tariffs
Autumn School Contest 2007
3125
146
1577
E-mail
Autumn School Contest 2007
966
470
1578
Mammoth Hunt
Autumn School Contest 2007
512
878
1579
Coat Transportation
Autumn School Contest 2007
911
498
1580
Dean's Debts
Autumn School Contest 2007
510
881
1581
Teamwork
Autumn School Contest 2007
11352
40
1639
Chocolate 2
Autumn School Contest 2008
13165
32
1640
Circle of Winter
Autumn School Contest 2008
2392
177
1641
Duties
Autumn School Contest 2008
832
505
1642
1D Maze
Autumn School Contest 2008
4428
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
991
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4239
100
1645
Ski Race
Autumn School Contest 2008
2116
200
1646
Godzilla Strikes Back!
Autumn School Contest 2008
469
888
1647
Divide an Island!
Autumn School Contest 2008
500
834
1648
Yachts
Autumn School Contest 2008
1098
384
1722
Observation Deck
Ural Regional School Programming Contest 2009
283
1352
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6354
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
592
658
1725
Sold Out!
Ural Regional School Programming Contest 2009
2804
141
1726
Visits
Ural Regional School Programming Contest 2009
3172
124
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1966
200
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
749
522
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
624
625
1730
ManBearPig
Ural Regional School Programming Contest 2009
336
1145
1731
Dill
Ural Regional School Programming Contest 2009
3769
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22619
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3359
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14855
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
1671
219
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
261
1356
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
239
1476
1792
Hamming Code
Ural Regional School Programming Contest 2010
4390
84
1793
Tray 2
Ural Regional School Programming Contest 2010
911
399
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
251
1796
Amusement Park
Ural Regional School Programming Contest 2010
3342
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
918
366
1874
Football Goal
Ural Regional School Programming Contest 2011
1712
197
1875
Angry Birds
Ural Regional School Programming Contest 2011
344
960
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6203
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17782
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1565
216
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
221
1471
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11278
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5532
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
116
2696
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
268
1222
1884
Way to the University
Ural Regional School Programming Contest 2011
499
667
1921
Chaos and Order
Ural Regional School Programming Contest 2012
238
1262
1922
Superhero Team
Ural Regional School Programming Contest 2012
976
317
1923
Scary Politics
Ural Regional School Programming Contest 2012
572
538
1924
Four Imps
Ural Regional School Programming Contest 2012
8123
38
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4510
69
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
306
991
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
287
1054
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
400
763
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
815
379
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1889
165
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1807
158
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13279
22
2002
Test Task
Ural Regional School Programming Contest 2013
4035
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
786
360
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
370
755
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3100
92
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
63
3929
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
136
1965
2008
Swifty
Ural Regional School Programming Contest 2013
263
1051
2009
Canteen Line
Ural Regional School Programming Contest 2013
334
834
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2155
132
2011
Long Statement
Ural Regional School Programming Contest 2013
2801
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
775
336
2025
Line Fighting
Ural Regional School Programming Contest 2014
4358
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
442
583
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
484
533
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
291
875
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
431
597
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
506
511
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3025
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
328
779
2033
Devices
Ural Regional School Programming Contest 2014
2574
102
2034
Caravans
Ural Regional School Programming Contest 2014
913
285
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3421
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
819
290
2063
Black and White
Ural Regional School Programming Contest 2015
555
425
2064
Caterpillars
Ural Regional School Programming Contest 2015
237
973
2065
Different Sums
Ural Regional School Programming Contest 2015
758
313
2066
Simple Expression
Ural Regional School Programming Contest 2015
8683
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
739
321
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2243
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
371
631
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1168
204
2073
Log Files
Ural Regional School Programming Contest 2015
999
238
2111
Plato
University-Academy Olympiad 2019
2252
72
2112
Battle log
University-Academy Olympiad 2019
190
814
2113
Survive the flood
University-Academy Olympiad 2019
376
422
2114
My craft
University-Academy Olympiad 2019
156
981
2115
The Knowledge Day
University-Academy Olympiad 2019
719
223
2116
He is not a knight for you
University-Academy Olympiad 2019
178
866
2117
Polyphemus' triples
University-Academy Olympiad 2019
296
532
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1353
111
2139
Experiment with Juice
Ural School Programming Contest 2019
25
4330
2140
BitMazeCraft
Ural School Programming Contest 2019
122
1148
2141
Sasha Vilkin
Ural School Programming Contest 2019
593
251
2142
Magic
Ural School Programming Contest 2019
1202
125
2143
Victoria!
Ural School Programming Contest 2019
220
659
2144
Cleaning the Room
Ural School Programming Contest 2019
672
222
2145
Olympiad for Everyone
Ural School Programming Contest 2019
395
374
2146
Quiz Show
Ural School Programming Contest 2019
231
629
2147
City Building
Ural School Programming Contest 2019
71
1871
2148
Insane Shot
Ural School Programming Contest 2019
295
497
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1014
148
2150
4B and Zoo
Ural School Programming Contest 2020
100
1141
2151
Mahjong
Ural School Programming Contest 2020
136
860
2152
Tax Fees
Ural School Programming Contest 2020
99
1152
2153
Perfect Squad
Ural School Programming Contest 2020
125
930
2154
Flight on a Cannonball
Ural School Programming Contest 2020
38
2616
2155
Quadrocopter
Ural School Programming Contest 2020
119
973
2156
Interesting Conversations
Ural School Programming Contest 2020
186
641
2157
Skydiving
Ural School Programming Contest 2020
88
1281
2158
Two progressions
Ural School Programming Contest 2021
32
1821
2159
Essay
Ural School Programming Contest 2021
48
1321
2160
Meta-statement
Ural School Programming Contest 2021
63
1050
2161
Mount & Blade
Ural School Programming Contest 2021
99
703
2162
Graphmania
Ural School Programming Contest 2021
62
1063
2163
Interview
Ural School Programming Contest 2021
58
1125
2164
Bookmaker
Ural School Programming Contest 2021
37
1630
2165
Cake Cutter
Ural School Programming Contest 2021
35
1701
2166
Two Roads
Ural School Programming Contest 2022
27
2068
2167
Cipher Message 5
Ural School Programming Contest 2022
149
482
2168
Runes in the Field
Ural School Programming Contest 2022
11
3644
2169
City Building 2
Ural School Programming Contest 2022
32
1822
2170
Experiment with Juice 2
Ural School Programming Contest 2022
47
1343
2171
Two Progressions 2
Ural School Programming Contest 2022
44
1417
2172
Meta-statement 2
Ural School Programming Contest 2022
98
709
2173
Meta-statement 3
Ural School Programming Contest 2022
86
798
2174
Dualism of Numbers
Ural School Programming Contest 2023
45
885
2175
Staircase
Ural School Programming Contest 2023
35
1082
2176
Wonderful Numbers
Ural School Programming Contest 2023
34
1107
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
23
1475
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
17
1802
2179
Need More Roads
Ural School Programming Contest 2023
14
2027
2180
Need More Tasks
Ural School Programming Contest 2023
22
1521
2181
Student, or There and Back Again
Ural School Programming Contest 2023
28
1278
2182
Broken Rum
Ural School Programming Contest 2024
61
686
2183
Good Mood
Ural School Programming Contest 2024
57
727
2184
Flint's Favorite Number
Ural School Programming Contest 2024
27
1315
2185
Journey to the Treasure
Ural School Programming Contest 2024
9
2556
2186
Hands Up!
Ural School Programming Contest 2024
9
2556
2187
Need More Gold
Ural School Programming Contest 2024
19
1678
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
12
2213
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
32
1159
2200
He is not a knight for you 2
University-Academy Olympiad 2020
10
1425
2201
Esports Tournament
University-Academy Olympiad 2020
7
1676
2202
Gorodki and Robots
University-Academy Olympiad 2020
6
1781
2203
Favorite Sandwiches
University-Academy Olympiad 2020
8
1583
2204
Friends and Exams
University-Academy Olympiad 2022
17
1055
2205
Natural Numbers
University-Academy Olympiad 2022
15
1142
2206
Runes in the Field 2
University-Academy Olympiad 2022
7
1676
2207
Catansonnes
University-Academy Olympiad 2022
9
1500
2208
Two Gifts
University-Academy Olympiad 2023
13
1237
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
12
1295
2210
Tycoon Simulator
University-Academy Olympiad 2023
6
1776
2211
Integer Triangles
University-Academy Olympiad 2023
8
1583
2212
Prefossum
University-Academy Olympiad 2024
12
1293
2213
A Small Fix
University-Academy Olympiad 2024
8
1580
2214
Quality Emitter
University-Academy Olympiad 2024
7
1673
2215
Global Changes
University-Academy Olympiad 2024
6
1778
Solved problems:
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authors
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