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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
15748
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10631
148
1022
Genealogical Tree
Autumn School Contest 2000
11059
142
1023
Buttons
Autumn School Contest 2000
7226
217
1024
Permutations
Autumn School Contest 2000
4885
321
1025
Democracy in Danger
Autumn School Contest 2000
23474
67
1026
Questions and Answers
Autumn School Contest 2000
10094
155
1027
D++ Again
Autumn School Contest 2000
2453
638
1082
Gaby Ivanushka
Spring School Contest 2001
10913
126
1083
Factorials!!!
Spring School Contest 2001
20292
68
1084
Goat in the Garden
Spring School Contest 2001
9182
150
1085
Meeting
Spring School Contest 2001
2195
626
1086
Cryptography
Spring School Contest 2001
12962
106
1087
The Time to Take Stones
Spring School Contest 2001
4982
276
1088
Ilya Murometz
Spring School Contest 2001
1830
750
1089
Verification with the Dictionary
Spring School Contest 2001
1633
840
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
4891
103
1119
Metro
Autumn School Contest 2001
7227
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5847
86
1121
Branches
Autumn School Contest 2001
1427
353
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
2042
248
1192
Ball in a Dream
Spring School Contest 2002
4645
109
1193
Queue at the Exam
Spring School Contest 2002
2801
181
1194
Handshakes
Spring School Contest 2002
6099
83
1195
Ouths and Crosses
Spring School Contest 2002
1953
259
1196
History Exam
Spring School Contest 2002
9706
52
1197
Lonesome Knight
Spring School Contest 2002
18371
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15021
34
1210
Kind Spirits
Autumn School Contest 2002
3003
170
1211
Collective Guarantee
Autumn School Contest 2002
1644
310
1212
Battleship
Autumn School Contest 2002
1031
493
1213
Cockroaches!
Autumn School Contest 2002
2996
171
1214
Strange Procedure
Autumn School Contest 2002
5002
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1698
300
1257
Hyphenation
Autumn School Contest 2003
289
1736
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
4655
111
1261
Tips
Autumn School Contest 2003
1568
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1322
390
1263
Elections
Autumn School Contest 2003
12193
43
1264
Workdays
Autumn School Contest 2003
24762
21
1290
Sabotage
Spring School Contest 2004
6486
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
36022
14
1294
Mars Satellites
Spring School Contest 2004
1638
316
1295
Crazy Notions
Spring School Contest 2004
3437
151
1296
Hyperjump
Spring School Contest 2004
8496
61
1297
Palindrome
Spring School Contest 2004
6338
82
1298
Knight
Spring School Contest 2004
2226
233
1299
Psylonians
Spring School Contest 2004
331
1529
1327
Fuses
Autumn School Contest 2004
11158
47
1328
Fireball
Autumn School Contest 2004
363
1406
1329
Galactic History
Autumn School Contest 2004
1139
457
1330
Intervals
Autumn School Contest 2004
5479
96
1331
Vladislava
Autumn School Contest 2004
526
979
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
2869
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4270
123
1337
Bureaucracy
Autumn School Contest 2004
333
1529
1347
Blog
Spring School Contest 2005
376
1364
1348
Goat in the Garden 2
Spring School Contest 2005
2945
178
1349
Farm
Spring School Contest 2005
10368
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
3988
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5094
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3791
139
1355
Bald Spot Revisited
Spring School Contest 2005
2473
212
1356
Something Easier
Spring School Contest 2005
1759
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
436
1181
1358
Cables
Spring School Contest 2005
966
539
1359
Construction
Spring School Contest 2005
442
1165
1400
Cellular Characters
Autumn School Contest 2005
953
549
1401
Gamers
Autumn School Contest 2005
3256
162
1402
Cocktails
Autumn School Contest 2005
4054
130
1403
Courier
Autumn School Contest 2005
1505
349
1404
Easy to Hack!
Autumn School Contest 2005
6628
80
1405
Goat in the Garden 5
Autumn School Contest 2005
734
710
1406
Next Number
Autumn School Contest 2005
1523
345
1407
One-two, One-two
Autumn School Contest 2005
1358
386
1408
Polynomial Multiplication
Autumn School Contest 2005
426
1212
1409
Two Gangsters
Autumn School Contest 2005
34607
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1260
388
1490
Fire Circle
Autumn School Contest 2006
2501
196
1491
Unreal Story
Autumn School Contest 2006
2396
205
1492
Vasya's Dad 2
Autumn School Contest 2006
236
2001
1493
One Step from Happiness
Autumn School Contest 2006
10442
47
1494
Monobilliards
Autumn School Contest 2006
5350
92
1495
One-two, One-two 2
Autumn School Contest 2006
1445
338
1496
Spammer
Autumn School Contest 2006
10064
49
1497
Cutting a Square
Autumn School Contest 2006
1617
303
1498
Stroke at Full Speed
Autumn School Contest 2006
546
885
1499
Kerchiefs
Autumn School Contest 2006
324
1474
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3125
146
1573
Alchemy
Autumn School Contest 2007
4262
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1287
354
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
879
1579
Coat Transportation
Autumn School Contest 2007
911
498
1580
Dean's Debts
Autumn School Contest 2007
510
882
1581
Teamwork
Autumn School Contest 2007
11358
40
1639
Chocolate 2
Autumn School Contest 2008
13170
32
1640
Circle of Winter
Autumn School Contest 2008
2392
177
1641
Duties
Autumn School Contest 2008
832
506
1642
1D Maze
Autumn School Contest 2008
4430
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
993
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4242
100
1645
Ski Race
Autumn School Contest 2008
2116
200
1646
Godzilla Strikes Back!
Autumn School Contest 2008
469
889
1647
Divide an Island!
Autumn School Contest 2008
501
833
1648
Yachts
Autumn School Contest 2008
1098
384
1722
Observation Deck
Ural Regional School Programming Contest 2009
284
1349
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6357
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
592
659
1725
Sold Out!
Ural Regional School Programming Contest 2009
2804
141
1726
Visits
Ural Regional School Programming Contest 2009
3195
124
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1966
201
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
337
1143
1731
Dill
Ural Regional School Programming Contest 2009
3769
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22630
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3360
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14864
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
1358
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
239
1478
1792
Hamming Code
Ural Regional School Programming Contest 2010
4391
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
3343
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
918
367
1874
Football Goal
Ural Regional School Programming Contest 2011
1713
197
1875
Angry Birds
Ural Regional School Programming Contest 2011
344
961
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6207
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17792
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1566
216
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
222
1466
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11286
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5536
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
116
2699
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
269
1219
1884
Way to the University
Ural Regional School Programming Contest 2011
499
668
1921
Chaos and Order
Ural Regional School Programming Contest 2012
238
1264
1922
Superhero Team
Ural Regional School Programming Contest 2012
976
318
1923
Scary Politics
Ural Regional School Programming Contest 2012
573
538
1924
Four Imps
Ural Regional School Programming Contest 2012
8128
39
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
992
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
287
1055
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
400
764
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
815
380
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1893
165
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1807
158
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13288
22
2002
Test Task
Ural Regional School Programming Contest 2013
4037
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
786
361
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
371
754
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3100
92
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
63
3935
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
136
1968
2008
Swifty
Ural Regional School Programming Contest 2013
263
1052
2009
Canteen Line
Ural Regional School Programming Contest 2013
334
835
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2157
133
2011
Long Statement
Ural Regional School Programming Contest 2013
2804
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
776
336
2025
Line Fighting
Ural Regional School Programming Contest 2014
4407
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
442
584
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
485
533
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
292
874
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
431
598
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
506
511
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3026
87
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
329
778
2033
Devices
Ural Regional School Programming Contest 2014
2575
102
2034
Caravans
Ural Regional School Programming Contest 2014
913
286
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3424
77
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
819
290
2063
Black and White
Ural Regional School Programming Contest 2015
555
426
2064
Caterpillars
Ural Regional School Programming Contest 2015
238
971
2065
Different Sums
Ural Regional School Programming Contest 2015
758
313
2066
Simple Expression
Ural Regional School Programming Contest 2015
8691
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
1069
223
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1030
231
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
371
632
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1169
204
2073
Log Files
Ural Regional School Programming Contest 2015
1000
238
2111
Plato
University-Academy Olympiad 2019
2252
72
2112
Battle log
University-Academy Olympiad 2019
191
813
2113
Survive the flood
University-Academy Olympiad 2019
376
423
2114
My craft
University-Academy Olympiad 2019
156
984
2115
The Knowledge Day
University-Academy Olympiad 2019
720
224
2116
He is not a knight for you
University-Academy Olympiad 2019
178
869
2117
Polyphemus' triples
University-Academy Olympiad 2019
297
532
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1354
111
2139
Experiment with Juice
Ural School Programming Contest 2019
25
4345
2140
BitMazeCraft
Ural School Programming Contest 2019
122
1152
2141
Sasha Vilkin
Ural School Programming Contest 2019
595
251
2142
Magic
Ural School Programming Contest 2019
1202
125
2143
Victoria!
Ural School Programming Contest 2019
220
661
2144
Cleaning the Room
Ural School Programming Contest 2019
674
222
2145
Olympiad for Everyone
Ural School Programming Contest 2019
395
375
2146
Quiz Show
Ural School Programming Contest 2019
232
628
2147
City Building
Ural School Programming Contest 2019
72
1854
2148
Insane Shot
Ural School Programming Contest 2019
296
497
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1014
149
2150
4B and Zoo
Ural School Programming Contest 2020
101
1136
2151
Mahjong
Ural School Programming Contest 2020
136
864
2152
Tax Fees
Ural School Programming Contest 2020
99
1157
2153
Perfect Squad
Ural School Programming Contest 2020
125
934
2154
Flight on a Cannonball
Ural School Programming Contest 2020
40
2521
2155
Quadrocopter
Ural School Programming Contest 2020
119
977
2156
Interesting Conversations
Ural School Programming Contest 2020
187
640
2157
Skydiving
Ural School Programming Contest 2020
89
1273
2158
Two progressions
Ural School Programming Contest 2021
32
1834
2159
Essay
Ural School Programming Contest 2021
49
1308
2160
Meta-statement
Ural School Programming Contest 2021
63
1057
2161
Mount & Blade
Ural School Programming Contest 2021
99
708
2162
Graphmania
Ural School Programming Contest 2021
62
1070
2163
Interview
Ural School Programming Contest 2021
59
1117
2164
Bookmaker
Ural School Programming Contest 2021
38
1607
2165
Cake Cutter
Ural School Programming Contest 2021
36
1676
2166
Two Roads
Ural School Programming Contest 2022
28
2028
2167
Cipher Message 5
Ural School Programming Contest 2022
152
476
2168
Runes in the Field
Ural School Programming Contest 2022
12
3504
2169
City Building 2
Ural School Programming Contest 2022
33
1793
2170
Experiment with Juice 2
Ural School Programming Contest 2022
47
1352
2171
Two Progressions 2
Ural School Programming Contest 2022
45
1401
2172
Meta-statement 2
Ural School Programming Contest 2022
98
714
2173
Meta-statement 3
Ural School Programming Contest 2022
86
803
2174
Dualism of Numbers
Ural School Programming Contest 2023
45
896
2175
Staircase
Ural School Programming Contest 2023
36
1070
2176
Wonderful Numbers
Ural School Programming Contest 2023
34
1120
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
27
1331
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
19
1698
2179
Need More Roads
Ural School Programming Contest 2023
17
1823
2180
Need More Tasks
Ural School Programming Contest 2023
24
1448
2181
Student, or There and Back Again
Ural School Programming Contest 2023
29
1260
2182
Broken Rum
Ural School Programming Contest 2024
64
666
2183
Good Mood
Ural School Programming Contest 2024
59
714
2184
Flint's Favorite Number
Ural School Programming Contest 2024
28
1296
2185
Journey to the Treasure
Ural School Programming Contest 2024
10
2457
2186
Hands Up!
Ural School Programming Contest 2024
11
2340
2187
Need More Gold
Ural School Programming Contest 2024
21
1588
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
14
2052
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
32
1173
2200
He is not a knight for you 2
University-Academy Olympiad 2020
11
1385
2201
Esports Tournament
University-Academy Olympiad 2020
8
1615
2202
Gorodki and Robots
University-Academy Olympiad 2020
8
1615
2203
Favorite Sandwiches
University-Academy Olympiad 2020
9
1530
2204
Friends and Exams
University-Academy Olympiad 2022
19
1003
2205
Natural Numbers
University-Academy Olympiad 2022
15
1165
2206
Runes in the Field 2
University-Academy Olympiad 2022
7
1710
2207
Catansonnes
University-Academy Olympiad 2022
9
1530
2208
Two Gifts
University-Academy Olympiad 2023
14
1210
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
12
1321
2210
Tycoon Simulator
University-Academy Olympiad 2023
7
1705
2211
Integer Triangles
University-Academy Olympiad 2023
8
1615
2212
Prefossum
University-Academy Olympiad 2024
13
1262
2213
A Small Fix
University-Academy Olympiad 2024
8
1613
2214
Quality Emitter
University-Academy Olympiad 2024
8
1613
2215
Global Changes
University-Academy Olympiad 2024
7
1707
Solved problems:
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authors
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