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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
15842
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10673
148
1022
Genealogical Tree
Autumn School Contest 2000
11150
142
1023
Buttons
Autumn School Contest 2000
7261
218
1024
Permutations
Autumn School Contest 2000
4910
322
1025
Democracy in Danger
Autumn School Contest 2000
23590
67
1026
Questions and Answers
Autumn School Contest 2000
10136
156
1027
D++ Again
Autumn School Contest 2000
2466
641
1082
Gaby Ivanushka
Spring School Contest 2001
10946
127
1083
Factorials!!!
Spring School Contest 2001
20394
68
1084
Goat in the Garden
Spring School Contest 2001
9243
151
1085
Meeting
Spring School Contest 2001
2202
630
1086
Cryptography
Spring School Contest 2001
13044
107
1087
The Time to Take Stones
Spring School Contest 2001
5013
277
1088
Ilya Murometz
Spring School Contest 2001
1854
748
1089
Verification with the Dictionary
Spring School Contest 2001
1644
842
1116
Piecewise Constant Function
Autumn School Contest 2001
1528
333
1117
Hierarchy
Autumn School Contest 2001
1813
281
1118
Nontrivial Numbers
Autumn School Contest 2001
4940
103
1119
Metro
Autumn School Contest 2001
7301
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5932
86
1121
Branches
Autumn School Contest 2001
1438
353
1122
Game
Autumn School Contest 2001
2033
250
1123
Salary
Autumn School Contest 2001
4170
122
1190
Bar of Chocolate
Spring School Contest 2002
1511
338
1191
Catch the thief!
Spring School Contest 2002
2057
249
1192
Ball in a Dream
Spring School Contest 2002
4677
110
1193
Queue at the Exam
Spring School Contest 2002
2829
181
1194
Handshakes
Spring School Contest 2002
6138
84
1195
Ouths and Crosses
Spring School Contest 2002
1970
260
1196
History Exam
Spring School Contest 2002
9902
52
1197
Lonesome Knight
Spring School Contest 2002
18506
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15148
34
1210
Kind Spirits
Autumn School Contest 2002
3053
169
1211
Collective Guarantee
Autumn School Contest 2002
1658
311
1212
Battleship
Autumn School Contest 2002
1041
493
1213
Cockroaches!
Autumn School Contest 2002
3033
170
1214
Strange Procedure
Autumn School Contest 2002
5035
103
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1710
301
1257
Hyphenation
Autumn School Contest 2003
294
1723
1258
Pool
Autumn School Contest 2003
1246
417
1259
How to Become Star?
Autumn School Contest 2003
1311
397
1260
Nudnik Photographer
Autumn School Contest 2003
4685
112
1261
Tips
Autumn School Contest 2003
1584
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1334
390
1263
Elections
Autumn School Contest 2003
12328
42
1264
Workdays
Autumn School Contest 2003
25045
21
1290
Sabotage
Spring School Contest 2004
6531
80
1291
Gear-wheels
Spring School Contest 2004
1363
383
1292
Mars Space Stations
Spring School Contest 2004
1378
379
1293
Eniya
Spring School Contest 2004
36424
14
1294
Mars Satellites
Spring School Contest 2004
1650
317
1295
Crazy Notions
Spring School Contest 2004
3470
151
1296
Hyperjump
Spring School Contest 2004
8730
60
1297
Palindrome
Spring School Contest 2004
6407
82
1298
Knight
Spring School Contest 2004
2245
233
1299
Psylonians
Spring School Contest 2004
335
1525
1327
Fuses
Autumn School Contest 2004
11271
47
1328
Fireball
Autumn School Contest 2004
368
1401
1329
Galactic History
Autumn School Contest 2004
1159
453
1330
Intervals
Autumn School Contest 2004
5531
96
1331
Vladislava
Autumn School Contest 2004
530
980
1332
Genie Bomber
Autumn School Contest 2004
855
612
1333
Genie Bomber 2
Autumn School Contest 2004
2409
219
1334
Checkers
Autumn School Contest 2004
968
541
1335
White Thesis
Autumn School Contest 2004
2892
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4307
123
1337
Bureaucracy
Autumn School Contest 2004
337
1526
1347
Blog
Spring School Contest 2005
380
1362
1348
Goat in the Garden 2
Spring School Contest 2005
2995
177
1349
Farm
Spring School Contest 2005
10448
51
1350
Canteen
Spring School Contest 2005
1376
383
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1015
518
1352
Mersenne Primes
Spring School Contest 2005
4014
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5140
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3838
138
1355
Bald Spot Revisited
Spring School Contest 2005
2494
212
1356
Something Easier
Spring School Contest 2005
1774
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
440
1181
1358
Cables
Spring School Contest 2005
974
540
1359
Construction
Spring School Contest 2005
447
1163
1400
Cellular Characters
Autumn School Contest 2005
960
550
1401
Gamers
Autumn School Contest 2005
3347
159
1402
Cocktails
Autumn School Contest 2005
4087
130
1403
Courier
Autumn School Contest 2005
1517
349
1404
Easy to Hack!
Autumn School Contest 2005
6738
79
1405
Goat in the Garden 5
Autumn School Contest 2005
741
710
1406
Next Number
Autumn School Contest 2005
1539
344
1407
One-two, One-two
Autumn School Contest 2005
1366
387
1408
Polynomial Multiplication
Autumn School Contest 2005
440
1185
1409
Two Gangsters
Autumn School Contest 2005
34993
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1287
384
1490
Fire Circle
Autumn School Contest 2006
2530
196
1491
Unreal Story
Autumn School Contest 2006
2440
203
1492
Vasya's Dad 2
Autumn School Contest 2006
240
1990
1493
One Step from Happiness
Autumn School Contest 2006
10547
47
1494
Monobilliards
Autumn School Contest 2006
5522
90
1495
One-two, One-two 2
Autumn School Contest 2006
1458
339
1496
Spammer
Autumn School Contest 2006
10160
49
1497
Cutting a Square
Autumn School Contest 2006
1630
303
1498
Stroke at Full Speed
Autumn School Contest 2006
554
882
1499
Kerchiefs
Autumn School Contest 2006
327
1476
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3179
146
1573
Alchemy
Autumn School Contest 2007
4290
108
1574
Mathematicians and brackets
Autumn School Contest 2007
1306
353
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
529
861
1576
Telephone Tariffs
Autumn School Contest 2007
3146
147
1577
E-mail
Autumn School Contest 2007
978
470
1578
Mammoth Hunt
Autumn School Contest 2007
520
876
1579
Coat Transportation
Autumn School Contest 2007
920
499
1580
Dean's Debts
Autumn School Contest 2007
518
879
1581
Teamwork
Autumn School Contest 2007
11425
41
1639
Chocolate 2
Autumn School Contest 2008
13270
33
1640
Circle of Winter
Autumn School Contest 2008
2410
178
1641
Duties
Autumn School Contest 2008
836
510
1642
1D Maze
Autumn School Contest 2008
4498
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
1004
426
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4292
100
1645
Ski Race
Autumn School Contest 2008
2143
201
1646
Godzilla Strikes Back!
Autumn School Contest 2008
477
886
1647
Divide an Island!
Autumn School Contest 2008
508
833
1648
Yachts
Autumn School Contest 2008
1106
387
1722
Observation Deck
Ural Regional School Programming Contest 2009
287
1356
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6442
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
601
659
1725
Sold Out!
Ural Regional School Programming Contest 2009
2829
142
1726
Visits
Ural Regional School Programming Contest 2009
3350
120
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1986
202
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
757
525
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
629
630
1730
ManBearPig
Ural Regional School Programming Contest 2009
341
1147
1731
Dill
Ural Regional School Programming Contest 2009
3797
106
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22928
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3393
110
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
15003
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2300
162
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1688
220
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
270
1337
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
244
1474
1792
Hamming Code
Ural Regional School Programming Contest 2010
4432
84
1793
Tray 2
Ural Regional School Programming Contest 2010
920
403
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1890
197
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1469
253
1796
Amusement Park
Ural Regional School Programming Contest 2010
3374
111
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
940
365
1874
Football Goal
Ural Regional School Programming Contest 2011
1728
200
1875
Angry Birds
Ural Regional School Programming Contest 2011
349
966
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6287
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
18091
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1575
219
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
228
1457
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11396
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5578
62
1882
Old Nokia
Ural Regional School Programming Contest 2011
125
2569
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
276
1213
1884
Way to the University
Ural Regional School Programming Contest 2011
503
676
1921
Chaos and Order
Ural Regional School Programming Contest 2012
244
1261
1922
Superhero Team
Ural Regional School Programming Contest 2012
988
321
1923
Scary Politics
Ural Regional School Programming Contest 2012
577
546
1924
Four Imps
Ural Regional School Programming Contest 2012
8210
39
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4565
70
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
312
995
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
292
1061
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
407
768
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
823
385
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1964
162
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1832
160
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13612
22
2002
Test Task
Ural Regional School Programming Contest 2013
4082
72
2003
Simple Magic
Ural Regional School Programming Contest 2013
795
366
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
376
763
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3135
94
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
70
3681
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
143
1925
2008
Swifty
Ural Regional School Programming Contest 2013
273
1041
2009
Canteen Line
Ural Regional School Programming Contest 2013
343
834
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2201
133
2011
Long Statement
Ural Regional School Programming Contest 2013
2837
103
2024
Adventure Time
Ural Regional School Programming Contest 2014
792
338
2025
Line Fighting
Ural Regional School Programming Contest 2014
4511
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
446
595
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
491
542
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
298
881
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
441
602
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
514
518
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3065
88
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
334
789
2033
Devices
Ural Regional School Programming Contest 2014
2608
104
2034
Caravans
Ural Regional School Programming Contest 2014
950
283
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3471
78
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
829
296
2063
Black and White
Ural Regional School Programming Contest 2015
565
432
2064
Caterpillars
Ural Regional School Programming Contest 2015
244
978
2065
Different Sums
Ural Regional School Programming Contest 2015
771
318
2066
Simple Expression
Ural Regional School Programming Contest 2015
8849
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
753
326
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2283
108
2069
Hard Rock
Ural Regional School Programming Contest 2015
1088
226
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1047
235
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
377
642
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1192
207
2073
Log Files
Ural Regional School Programming Contest 2015
1016
242
2111
Plato
University-Academy Olympiad 2019
2315
74
2112
Battle log
University-Academy Olympiad 2019
201
814
2113
Survive the flood
University-Academy Olympiad 2019
388
432
2114
My craft
University-Academy Olympiad 2019
164
988
2115
The Knowledge Day
University-Academy Olympiad 2019
741
229
2116
He is not a knight for you
University-Academy Olympiad 2019
187
872
2117
Polyphemus' triples
University-Academy Olympiad 2019
305
546
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1439
111
2139
Experiment with Juice
Ural School Programming Contest 2019
34
3652
2140
BitMazeCraft
Ural School Programming Contest 2019
132
1132
2141
Sasha Vilkin
Ural School Programming Contest 2019
628
252
2142
Magic
Ural School Programming Contest 2019
1254
127
2143
Victoria!
Ural School Programming Contest 2019
231
667
2144
Cleaning the Room
Ural School Programming Contest 2019
715
222
2145
Olympiad for Everyone
Ural School Programming Contest 2019
418
375
2146
Quiz Show
Ural School Programming Contest 2019
241
640
2147
City Building
Ural School Programming Contest 2019
81
1766
2148
Insane Shot
Ural School Programming Contest 2019
317
491
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1075
148
2150
4B and Zoo
Ural School Programming Contest 2020
108
1144
2151
Mahjong
Ural School Programming Contest 2020
147
860
2152
Tax Fees
Ural School Programming Contest 2020
107
1154
2153
Perfect Squad
Ural School Programming Contest 2020
134
937
2154
Flight on a Cannonball
Ural School Programming Contest 2020
48
2327
2155
Quadrocopter
Ural School Programming Contest 2020
131
957
2156
Interesting Conversations
Ural School Programming Contest 2020
195
658
2157
Skydiving
Ural School Programming Contest 2020
95
1285
2158
Two progressions
Ural School Programming Contest 2021
40
1728
2159
Essay
Ural School Programming Contest 2021
56
1311
2160
Meta-statement
Ural School Programming Contest 2021
67
1124
2161
Mount & Blade
Ural School Programming Contest 2021
106
746
2162
Graphmania
Ural School Programming Contest 2021
69
1095
2163
Interview
Ural School Programming Contest 2021
67
1123
2164
Bookmaker
Ural School Programming Contest 2021
44
1603
2165
Cake Cutter
Ural School Programming Contest 2021
43
1632
2166
Two Roads
Ural School Programming Contest 2022
36
1880
2167
Cipher Message 5
Ural School Programming Contest 2022
161
506
2168
Runes in the Field
Ural School Programming Contest 2022
19
2982
2169
City Building 2
Ural School Programming Contest 2022
39
1765
2170
Experiment with Juice 2
Ural School Programming Contest 2022
51
1418
2171
Two Progressions 2
Ural School Programming Contest 2022
52
1395
2172
Meta-statement 2
Ural School Programming Contest 2022
103
766
2173
Meta-statement 3
Ural School Programming Contest 2022
93
840
2174
Dualism of Numbers
Ural School Programming Contest 2023
56
893
2175
Staircase
Ural School Programming Contest 2023
48
1016
2176
Wonderful Numbers
Ural School Programming Contest 2023
47
1034
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
37
1254
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
30
1473
2179
Need More Roads
Ural School Programming Contest 2023
29
1510
2180
Need More Tasks
Ural School Programming Contest 2023
35
1309
2181
Student, or There and Back Again
Ural School Programming Contest 2023
36
1279
2182
Broken Rum
Ural School Programming Contest 2024
78
670
2183
Good Mood
Ural School Programming Contest 2024
75
693
2184
Flint's Favorite Number
Ural School Programming Contest 2024
39
1202
2185
Journey to the Treasure
Ural School Programming Contest 2024
18
2101
2186
Hands Up!
Ural School Programming Contest 2024
24
1730
2187
Need More Gold
Ural School Programming Contest 2024
33
1370
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
23
1786
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
45
1071
2200
He is not a knight for you 2
University-Academy Olympiad 2020
30
974
2201
Esports Tournament
University-Academy Olympiad 2020
26
1082
2202
Gorodki and Robots
University-Academy Olympiad 2020
22
1218
2203
Favorite Sandwiches
University-Academy Olympiad 2020
25
1113
2204
Friends and Exams
University-Academy Olympiad 2022
52
628
2205
Natural Numbers
University-Academy Olympiad 2022
38
813
2206
Runes in the Field 2
University-Academy Olympiad 2022
26
1082
2207
Catansonnes
University-Academy Olympiad 2022
20
1299
2208
Two Gifts
University-Academy Olympiad 2023
32
927
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
49
660
2210
Tycoon Simulator
University-Academy Olympiad 2023
23
1178
2211
Integer Triangles
University-Academy Olympiad 2023
24
1146
2212
Prefossum
University-Academy Olympiad 2024
31
949
2213
A Small Fix
University-Academy Olympiad 2024
20
1297
2214
Quality Emitter
University-Academy Olympiad 2024
20
1297
2215
Global Changes
University-Academy Olympiad 2024
20
1297
Solved problems:
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authors
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