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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
15348
99
1021
Sacrament of the Sum
Autumn School Contest 2000
10396
146
1022
Genealogical Tree
Autumn School Contest 2000
10842
140
1023
Buttons
Autumn School Contest 2000
7124
213
1024
Permutations
Autumn School Contest 2000
4816
314
1025
Democracy in Danger
Autumn School Contest 2000
22794
67
1026
Questions and Answers
Autumn School Contest 2000
9739
156
1027
D++ Again
Autumn School Contest 2000
2425
623
1082
Gaby Ivanushka
Spring School Contest 2001
10800
123
1083
Factorials!!!
Spring School Contest 2001
19834
67
1084
Goat in the Garden
Spring School Contest 2001
8937
149
1085
Meeting
Spring School Contest 2001
2154
616
1086
Cryptography
Spring School Contest 2001
12631
105
1087
The Time to Take Stones
Spring School Contest 2001
4900
272
1088
Ilya Murometz
Spring School Contest 2001
1807
734
1089
Verification with the Dictionary
Spring School Contest 2001
1594
831
1116
Piecewise Constant Function
Autumn School Contest 2001
1483
328
1117
Hierarchy
Autumn School Contest 2001
1766
276
1118
Nontrivial Numbers
Autumn School Contest 2001
4740
103
1119
Metro
Autumn School Contest 2001
6934
71
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5611
87
1121
Branches
Autumn School Contest 2001
1404
346
1122
Game
Autumn School Contest 2001
1975
247
1123
Salary
Autumn School Contest 2001
4045
121
1190
Bar of Chocolate
Spring School Contest 2002
1592
307
1191
Catch the thief!
Spring School Contest 2002
2000
245
1192
Ball in a Dream
Spring School Contest 2002
4543
108
1193
Queue at the Exam
Spring School Contest 2002
2717
181
1194
Handshakes
Spring School Contest 2002
6005
82
1195
Ouths and Crosses
Spring School Contest 2002
1888
259
1196
History Exam
Spring School Contest 2002
9213
53
1197
Lonesome Knight
Spring School Contest 2002
17771
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14485
34
1210
Kind Spirits
Autumn School Contest 2002
3047
162
1211
Collective Guarantee
Autumn School Contest 2002
1598
309
1212
Battleship
Autumn School Contest 2002
1009
487
1213
Cockroaches!
Autumn School Contest 2002
2934
169
1214
Strange Procedure
Autumn School Contest 2002
4895
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1652
299
1257
Hyphenation
Autumn School Contest 2003
278
1746
1258
Pool
Autumn School Contest 2003
1197
417
1259
How to Become Star?
Autumn School Contest 2003
1269
393
1260
Nudnik Photographer
Autumn School Contest 2003
4546
110
1261
Tips
Autumn School Contest 2003
1528
327
1262
Pseudo-Roman Number
Autumn School Contest 2003
1287
388
1263
Elections
Autumn School Contest 2003
11787
43
1264
Workdays
Autumn School Contest 2003
23763
21
1290
Sabotage
Spring School Contest 2004
6363
79
1291
Gear-wheels
Spring School Contest 2004
1307
384
1292
Mars Space Stations
Spring School Contest 2004
1331
377
1293
Eniya
Spring School Contest 2004
34597
15
1294
Mars Satellites
Spring School Contest 2004
1610
312
1295
Crazy Notions
Spring School Contest 2004
3346
151
1296
Hyperjump
Spring School Contest 2004
7758
65
1297
Palindrome
Spring School Contest 2004
6185
82
1298
Knight
Spring School Contest 2004
2170
232
1299
Psylonians
Spring School Contest 2004
319
1536
1327
Fuses
Autumn School Contest 2004
10920
47
1328
Fireball
Autumn School Contest 2004
352
1405
1329
Galactic History
Autumn School Contest 2004
1093
461
1330
Intervals
Autumn School Contest 2004
5273
96
1331
Vladislava
Autumn School Contest 2004
500
997
1332
Genie Bomber
Autumn School Contest 2004
808
622
1333
Genie Bomber 2
Autumn School Contest 2004
2337
217
1334
Checkers
Autumn School Contest 2004
934
539
1335
White Thesis
Autumn School Contest 2004
2817
180
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4185
121
1337
Bureaucracy
Autumn School Contest 2004
316
1560
1347
Blog
Spring School Contest 2005
359
1384
1348
Goat in the Garden 2
Spring School Contest 2005
2773
183
1349
Farm
Spring School Contest 2005
10111
50
1350
Canteen
Spring School Contest 2005
1291
392
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
966
523
1352
Mersenne Primes
Spring School Contest 2005
3914
130
1353
Milliard Vasya's Function
Spring School Contest 2005
4921
104
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3670
139
1355
Bald Spot Revisited
Spring School Contest 2005
2409
211
1356
Something Easier
Spring School Contest 2005
1721
295
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
417
1196
1358
Cables
Spring School Contest 2005
932
542
1359
Construction
Spring School Contest 2005
431
1158
1400
Cellular Characters
Autumn School Contest 2005
928
546
1401
Gamers
Autumn School Contest 2005
2894
176
1402
Cocktails
Autumn School Contest 2005
3977
128
1403
Courier
Autumn School Contest 2005
1453
350
1404
Easy to Hack!
Autumn School Contest 2005
6356
80
1405
Goat in the Garden 5
Autumn School Contest 2005
709
713
1406
Next Number
Autumn School Contest 2005
1479
344
1407
One-two, One-two
Autumn School Contest 2005
1326
383
1408
Polynomial Multiplication
Autumn School Contest 2005
414
1208
1409
Two Gangsters
Autumn School Contest 2005
33156
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1208
390
1490
Fire Circle
Autumn School Contest 2006
2398
197
1491
Unreal Story
Autumn School Contest 2006
2261
209
1492
Vasya's Dad 2
Autumn School Contest 2006
227
2005
1493
One Step from Happiness
Autumn School Contest 2006
10092
47
1494
Monobilliards
Autumn School Contest 2006
4930
96
1495
One-two, One-two 2
Autumn School Contest 2006
1395
338
1496
Spammer
Autumn School Contest 2006
9738
49
1497
Cutting a Square
Autumn School Contest 2006
1581
299
1498
Stroke at Full Speed
Autumn School Contest 2006
525
888
1499
Kerchiefs
Autumn School Contest 2006
310
1485
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3040
144
1573
Alchemy
Autumn School Contest 2007
4133
106
1574
Mathematicians and brackets
Autumn School Contest 2007
1239
353
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
499
865
1576
Telephone Tariffs
Autumn School Contest 2007
3022
145
1577
E-mail
Autumn School Contest 2007
925
471
1578
Mammoth Hunt
Autumn School Contest 2007
494
874
1579
Coat Transportation
Autumn School Contest 2007
886
491
1580
Dean's Debts
Autumn School Contest 2007
489
882
1581
Teamwork
Autumn School Contest 2007
10958
40
1639
Chocolate 2
Autumn School Contest 2008
12747
32
1640
Circle of Winter
Autumn School Contest 2008
2344
173
1641
Duties
Autumn School Contest 2008
808
497
1642
1D Maze
Autumn School Contest 2008
4242
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
954
422
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4123
98
1645
Ski Race
Autumn School Contest 2008
2054
197
1646
Godzilla Strikes Back!
Autumn School Contest 2008
450
883
1647
Divide an Island!
Autumn School Contest 2008
481
828
1648
Yachts
Autumn School Contest 2008
1065
378
1722
Observation Deck
Ural Regional School Programming Contest 2009
275
1319
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6120
61
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
572
646
1725
Sold Out!
Ural Regional School Programming Contest 2009
2716
138
1726
Visits
Ural Regional School Programming Contest 2009
2909
129
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1911
196
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
712
521
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
599
617
1730
ManBearPig
Ural Regional School Programming Contest 2009
328
1113
1731
Dill
Ural Regional School Programming Contest 2009
3667
102
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3276
105
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14085
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2228
155
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1635
211
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
246
1354
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
233
1426
1792
Hamming Code
Ural Regional School Programming Contest 2010
4275
81
1793
Tray 2
Ural Regional School Programming Contest 2010
890
385
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1785
193
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1414
243
1796
Amusement Park
Ural Regional School Programming Contest 2010
3260
106
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
891
353
1874
Football Goal
Ural Regional School Programming Contest 2011
1660
190
1875
Angry Birds
Ural Regional School Programming Contest 2011
324
951
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6006
53
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
16873
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1529
206
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
214
1419
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
10648
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5339
59
1882
Old Nokia
Ural Regional School Programming Contest 2011
107
2716
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
258
1186
1884
Way to the University
Ural Regional School Programming Contest 2011
482
646
1921
Chaos and Order
Ural Regional School Programming Contest 2012
228
1219
1922
Superhero Team
Ural Regional School Programming Contest 2012
946
304
1923
Scary Politics
Ural Regional School Programming Contest 2012
537
530
1924
Four Imps
Ural Regional School Programming Contest 2012
7839
37
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4389
66
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
278
1008
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
268
1044
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
377
750
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
777
369
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1737
166
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1745
150
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
12372
21
2002
Test Task
Ural Regional School Programming Contest 2013
3825
69
2003
Simple Magic
Ural Regional School Programming Contest 2013
754
344
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
349
733
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
2976
88
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
57
3927
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
129
1893
2008
Swifty
Ural Regional School Programming Contest 2013
244
1036
2009
Canteen Line
Ural Regional School Programming Contest 2013
313
815
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2078
126
2011
Long Statement
Ural Regional School Programming Contest 2013
2701
97
2024
Adventure Time
Ural Regional School Programming Contest 2014
742
318
2025
Line Fighting
Ural Regional School Programming Contest 2014
4046
59
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
411
568
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
461
507
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
282
818
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
398
586
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
479
489
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
2936
81
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
308
751
2033
Devices
Ural Regional School Programming Contest 2014
2352
101
2034
Caravans
Ural Regional School Programming Contest 2014
815
290
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3308
72
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
783
271
2063
Black and White
Ural Regional School Programming Contest 2015
514
410
2064
Caterpillars
Ural Regional School Programming Contest 2015
222
927
2065
Different Sums
Ural Regional School Programming Contest 2015
727
292
2066
Simple Expression
Ural Regional School Programming Contest 2015
7928
27
2067
Friends and Berries
Ural Regional School Programming Contest 2015
696
305
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2131
100
2069
Hard Rock
Ural Regional School Programming Contest 2015
1030
207
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
970
219
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
336
621
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1077
198
2073
Log Files
Ural Regional School Programming Contest 2015
965
221
2111
Plato
University academic school olympiad in informatics 2019
2021
66
2112
Battle log
University academic school olympiad in informatics 2019
168
758
2113
Survive the flood
University academic school olympiad in informatics 2019
337
389
2114
My craft
University academic school olympiad in informatics 2019
135
931
2115
The Knowledge Day
University academic school olympiad in informatics 2019
655
203
2116
He is not a knight for you
University academic school olympiad in informatics 2019
150
844
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
246
527
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1202
102
2139
Experiment with Juice
Ural School Programming Contest 2019
20
4111
2140
BitMazeCraft
Ural School Programming Contest 2019
102
1101
2141
Sasha Vilkin
Ural School Programming Contest 2019
507
239
2142
Magic
Ural School Programming Contest 2019
1036
118
2143
Victoria!
Ural School Programming Contest 2019
183
639
2144
Cleaning the Room
Ural School Programming Contest 2019
537
225
2145
Olympiad for Everyone
Ural School Programming Contest 2019
344
348
2146
Quiz Show
Ural School Programming Contest 2019
189
620
2147
City Building
Ural School Programming Contest 2019
56
1869
2148
Insane Shot
Ural School Programming Contest 2019
244
486
2149
Pigeonhole Principle
Ural School Programming Contest 2019
891
137
2150
4B and Zoo
Ural School Programming Contest 2020
85
1016
2151
Mahjong
Ural School Programming Contest 2020
101
869
2152
Tax Fees
Ural School Programming Contest 2020
84
1026
2153
Perfect Squad
Ural School Programming Contest 2020
92
946
2154
Flight on a Cannonball
Ural School Programming Contest 2020
32
2297
2155
Quadrocopter
Ural School Programming Contest 2020
94
928
2156
Interesting Conversations
Ural School Programming Contest 2020
155
585
2157
Skydiving
Ural School Programming Contest 2020
69
1221
2158
Two progressions
Ural School Programming Contest 2021
19
1578
2159
Essay
Ural School Programming Contest 2021
22
1434
2160
Meta-statement
Ural School Programming Contest 2021
30
1148
2161
Mount & Blade
Ural School Programming Contest 2021
47
805
2162
Graphmania
Ural School Programming Contest 2021
30
1145
2163
Interview
Ural School Programming Contest 2021
21
1477
2164
Bookmaker
Ural School Programming Contest 2021
18
1639
2165
Cake Cutter
Ural School Programming Contest 2021
15
1834
2166
Two Roads
Ural School Programming Contest 2022
16
1762
2167
Cipher Message 5
Ural School Programming Contest 2022
81
504
2168
Runes in the Field
Ural School Programming Contest 2022
5
3054
2169
City Building 2
Ural School Programming Contest 2022
11
2182
2170
Experiment with Juice 2
Ural School Programming Contest 2022
17
1697
2171
Two Progressions 2
Ural School Programming Contest 2022
22
1432
2172
Meta-statement 2
Ural School Programming Contest 2022
52
740
2173
Meta-statement 3
Ural School Programming Contest 2022
46
819
Solved problems:
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difficulty
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