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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
15492
99
1021
Sacrament of the Sum
Autumn School Contest 2000
10464
146
1022
Genealogical Tree
Autumn School Contest 2000
10884
141
1023
Buttons
Autumn School Contest 2000
7148
214
1024
Permutations
Autumn School Contest 2000
4831
316
1025
Democracy in Danger
Autumn School Contest 2000
22964
67
1026
Questions and Answers
Autumn School Contest 2000
9817
156
1027
D++ Again
Autumn School Contest 2000
2431
627
1082
Gaby Ivanushka
Spring School Contest 2001
10829
124
1083
Factorials!!!
Spring School Contest 2001
19958
67
1084
Goat in the Garden
Spring School Contest 2001
9022
149
1085
Meeting
Spring School Contest 2001
2160
620
1086
Cryptography
Spring School Contest 2001
12741
105
1087
The Time to Take Stones
Spring School Contest 2001
4913
273
1088
Ilya Murometz
Spring School Contest 2001
1811
739
1089
Verification with the Dictionary
Spring School Contest 2001
1604
833
1116
Piecewise Constant Function
Autumn School Contest 2001
1492
329
1117
Hierarchy
Autumn School Contest 2001
1774
277
1118
Nontrivial Numbers
Autumn School Contest 2001
4778
103
1119
Metro
Autumn School Contest 2001
6991
71
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5652
87
1121
Branches
Autumn School Contest 2001
1410
348
1122
Game
Autumn School Contest 2001
1986
248
1123
Salary
Autumn School Contest 2001
4072
121
1190
Bar of Chocolate
Spring School Contest 2002
1599
309
1191
Catch the thief!
Spring School Contest 2002
2007
246
1192
Ball in a Dream
Spring School Contest 2002
4576
108
1193
Queue at the Exam
Spring School Contest 2002
2727
182
1194
Handshakes
Spring School Contest 2002
6038
82
1195
Ouths and Crosses
Spring School Contest 2002
1907
259
1196
History Exam
Spring School Contest 2002
9319
53
1197
Lonesome Knight
Spring School Contest 2002
17904
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14579
34
1210
Kind Spirits
Autumn School Contest 2002
3066
163
1211
Collective Guarantee
Autumn School Contest 2002
1607
310
1212
Battleship
Autumn School Contest 2002
1016
488
1213
Cockroaches!
Autumn School Contest 2002
2947
169
1214
Strange Procedure
Autumn School Contest 2002
4933
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1663
299
1257
Hyphenation
Autumn School Contest 2003
279
1754
1258
Pool
Autumn School Contest 2003
1205
417
1259
How to Become Star?
Autumn School Contest 2003
1276
394
1260
Nudnik Photographer
Autumn School Contest 2003
4588
110
1261
Tips
Autumn School Contest 2003
1537
328
1262
Pseudo-Roman Number
Autumn School Contest 2003
1297
388
1263
Elections
Autumn School Contest 2003
11910
43
1264
Workdays
Autumn School Contest 2003
24069
21
1290
Sabotage
Spring School Contest 2004
6390
80
1291
Gear-wheels
Spring School Contest 2004
1319
383
1292
Mars Space Stations
Spring School Contest 2004
1338
378
1293
Eniya
Spring School Contest 2004
35024
15
1294
Mars Satellites
Spring School Contest 2004
1614
314
1295
Crazy Notions
Spring School Contest 2004
3377
150
1296
Hyperjump
Spring School Contest 2004
7909
64
1297
Palindrome
Spring School Contest 2004
6232
82
1298
Knight
Spring School Contest 2004
2180
233
1299
Psylonians
Spring School Contest 2004
323
1530
1327
Fuses
Autumn School Contest 2004
11003
47
1328
Fireball
Autumn School Contest 2004
354
1408
1329
Galactic History
Autumn School Contest 2004
1100
462
1330
Intervals
Autumn School Contest 2004
5355
96
1331
Vladislava
Autumn School Contest 2004
504
997
1332
Genie Bomber
Autumn School Contest 2004
812
624
1333
Genie Bomber 2
Autumn School Contest 2004
2364
216
1334
Checkers
Autumn School Contest 2004
941
539
1335
White Thesis
Autumn School Contest 2004
2830
180
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4206
122
1337
Bureaucracy
Autumn School Contest 2004
319
1558
1347
Blog
Spring School Contest 2005
364
1376
1348
Goat in the Garden 2
Spring School Contest 2005
2818
182
1349
Farm
Spring School Contest 2005
10169
51
1350
Canteen
Spring School Contest 2005
1296
394
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
972
524
1352
Mersenne Primes
Spring School Contest 2005
3934
130
1353
Milliard Vasya's Function
Spring School Contest 2005
4962
104
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3699
139
1355
Bald Spot Revisited
Spring School Contest 2005
2422
212
1356
Something Easier
Spring School Contest 2005
1727
296
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
422
1191
1358
Cables
Spring School Contest 2005
941
541
1359
Construction
Spring School Contest 2005
436
1154
1400
Cellular Characters
Autumn School Contest 2005
934
547
1401
Gamers
Autumn School Contest 2005
2913
177
1402
Cocktails
Autumn School Contest 2005
3999
129
1403
Courier
Autumn School Contest 2005
1464
350
1404
Easy to Hack!
Autumn School Contest 2005
6425
80
1405
Goat in the Garden 5
Autumn School Contest 2005
713
714
1406
Next Number
Autumn School Contest 2005
1490
344
1407
One-two, One-two
Autumn School Contest 2005
1332
385
1408
Polynomial Multiplication
Autumn School Contest 2005
419
1204
1409
Two Gangsters
Autumn School Contest 2005
33569
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1233
386
1490
Fire Circle
Autumn School Contest 2006
2437
196
1491
Unreal Story
Autumn School Contest 2006
2296
208
1492
Vasya's Dad 2
Autumn School Contest 2006
231
1990
1493
One Step from Happiness
Autumn School Contest 2006
10184
47
1494
Monobilliards
Autumn School Contest 2006
4975
96
1495
One-two, One-two 2
Autumn School Contest 2006
1402
340
1496
Spammer
Autumn School Contest 2006
9817
49
1497
Cutting a Square
Autumn School Contest 2006
1595
299
1498
Stroke at Full Speed
Autumn School Contest 2006
532
885
1499
Kerchiefs
Autumn School Contest 2006
315
1475
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3057
145
1573
Alchemy
Autumn School Contest 2007
4160
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1247
354
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
506
862
1576
Telephone Tariffs
Autumn School Contest 2007
3037
146
1577
E-mail
Autumn School Contest 2007
930
473
1578
Mammoth Hunt
Autumn School Contest 2007
498
876
1579
Coat Transportation
Autumn School Contest 2007
892
493
1580
Dean's Debts
Autumn School Contest 2007
489
892
1581
Teamwork
Autumn School Contest 2007
11075
40
1639
Chocolate 2
Autumn School Contest 2008
12858
32
1640
Circle of Winter
Autumn School Contest 2008
2361
174
1641
Duties
Autumn School Contest 2008
814
499
1642
1D Maze
Autumn School Contest 2008
4265
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
963
423
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4156
99
1645
Ski Race
Autumn School Contest 2008
2073
197
1646
Godzilla Strikes Back!
Autumn School Contest 2008
454
887
1647
Divide an Island!
Autumn School Contest 2008
486
829
1648
Yachts
Autumn School Contest 2008
1070
381
1722
Observation Deck
Ural Regional School Programming Contest 2009
277
1328
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6182
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
575
652
1725
Sold Out!
Ural Regional School Programming Contest 2009
2741
139
1726
Visits
Ural Regional School Programming Contest 2009
2940
129
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1923
197
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
719
523
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
602
623
1730
ManBearPig
Ural Regional School Programming Contest 2009
331
1118
1731
Dill
Ural Regional School Programming Contest 2009
3710
102
1785
Lost in Localization
Ural Regional School Programming Contest 2010
21944
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3297
106
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14284
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2240
156
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1641
213
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
248
1364
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
233
1449
1792
Hamming Code
Ural Regional School Programming Contest 2010
4326
81
1793
Tray 2
Ural Regional School Programming Contest 2010
896
389
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1791
195
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1421
246
1796
Amusement Park
Ural Regional School Programming Contest 2010
3282
107
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
900
355
1874
Football Goal
Ural Regional School Programming Contest 2011
1676
192
1875
Angry Birds
Ural Regional School Programming Contest 2011
327
960
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6072
53
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17121
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1537
209
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
215
1438
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
10787
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5370
60
1882
Old Nokia
Ural Regional School Programming Contest 2011
107
2765
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
263
1185
1884
Way to the University
Ural Regional School Programming Contest 2011
487
651
1921
Chaos and Order
Ural Regional School Programming Contest 2012
235
1209
1922
Superhero Team
Ural Regional School Programming Contest 2012
954
307
1923
Scary Politics
Ural Regional School Programming Contest 2012
545
534
1924
Four Imps
Ural Regional School Programming Contest 2012
7904
37
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4420
67
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
284
1007
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
271
1054
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
383
753
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
783
373
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1779
166
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1773
151
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
12657
21
2002
Test Task
Ural Regional School Programming Contest 2013
3866
69
2003
Simple Magic
Ural Regional School Programming Contest 2013
760
350
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
350
748
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3001
89
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
59
3903
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
132
1896
2008
Swifty
Ural Regional School Programming Contest 2013
245
1056
2009
Canteen Line
Ural Regional School Programming Contest 2013
319
819
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2101
128
2011
Long Statement
Ural Regional School Programming Contest 2013
2734
98
2024
Adventure Time
Ural Regional School Programming Contest 2014
749
323
2025
Line Fighting
Ural Regional School Programming Contest 2014
4099
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
417
574
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
464
518
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
284
834
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
401
597
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
486
495
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
2964
82
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
315
755
2033
Devices
Ural Regional School Programming Contest 2014
2384
102
2034
Caravans
Ural Regional School Programming Contest 2014
838
289
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3338
73
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
792
276
2063
Black and White
Ural Regional School Programming Contest 2015
526
413
2064
Caterpillars
Ural Regional School Programming Contest 2015
228
931
2065
Different Sums
Ural Regional School Programming Contest 2015
735
297
2066
Simple Expression
Ural Regional School Programming Contest 2015
8125
27
2067
Friends and Berries
Ural Regional School Programming Contest 2015
707
309
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2167
102
2069
Hard Rock
Ural Regional School Programming Contest 2015
1042
211
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
985
223
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
346
622
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1103
199
2073
Log Files
Ural Regional School Programming Contest 2015
977
225
2111
Plato
University academic school olympiad in informatics 2019
2078
68
2112
Battle log
University academic school olympiad in informatics 2019
177
761
2113
Survive the flood
University academic school olympiad in informatics 2019
345
401
2114
My craft
University academic school olympiad in informatics 2019
140
948
2115
The Knowledge Day
University academic school olympiad in informatics 2019
670
209
2116
He is not a knight for you
University academic school olympiad in informatics 2019
157
852
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
258
531
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1250
104
2139
Experiment with Juice
Ural School Programming Contest 2019
22
4084
2140
BitMazeCraft
Ural School Programming Contest 2019
108
1108
2141
Sasha Vilkin
Ural School Programming Contest 2019
526
244
2142
Magic
Ural School Programming Contest 2019
1094
118
2143
Victoria!
Ural School Programming Contest 2019
192
647
2144
Cleaning the Room
Ural School Programming Contest 2019
570
225
2145
Olympiad for Everyone
Ural School Programming Contest 2019
353
360
2146
Quiz Show
Ural School Programming Contest 2019
194
641
2147
City Building
Ural School Programming Contest 2019
61
1841
2148
Insane Shot
Ural School Programming Contest 2019
251
501
2149
Pigeonhole Principle
Ural School Programming Contest 2019
923
140
2150
4B and Zoo
Ural School Programming Contest 2020
87
1073
2151
Mahjong
Ural School Programming Contest 2020
106
897
2152
Tax Fees
Ural School Programming Contest 2020
89
1051
2153
Perfect Squad
Ural School Programming Contest 2020
100
946
2154
Flight on a Cannonball
Ural School Programming Contest 2020
34
2365
2155
Quadrocopter
Ural School Programming Contest 2020
98
963
2156
Interesting Conversations
Ural School Programming Contest 2020
160
612
2157
Skydiving
Ural School Programming Contest 2020
75
1224
2158
Two progressions
Ural School Programming Contest 2021
24
1581
2159
Essay
Ural School Programming Contest 2021
31
1315
2160
Meta-statement
Ural School Programming Contest 2021
39
1100
2161
Mount & Blade
Ural School Programming Contest 2021
64
728
2162
Graphmania
Ural School Programming Contest 2021
37
1145
2163
Interview
Ural School Programming Contest 2021
27
1454
2164
Bookmaker
Ural School Programming Contest 2021
21
1738
2165
Cake Cutter
Ural School Programming Contest 2021
21
1737
2166
Two Roads
Ural School Programming Contest 2022
17
1993
2167
Cipher Message 5
Ural School Programming Contest 2022
102
481
2168
Runes in the Field
Ural School Programming Contest 2022
10
2691
2169
City Building 2
Ural School Programming Contest 2022
16
2070
2170
Experiment with Juice 2
Ural School Programming Contest 2022
24
1583
2171
Two Progressions 2
Ural School Programming Contest 2022
31
1312
2172
Meta-statement 2
Ural School Programming Contest 2022
68
691
2173
Meta-statement 3
Ural School Programming Contest 2022
60
769
Solved problems:
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