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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
15787
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10644
148
1022
Genealogical Tree
Autumn School Contest 2000
11113
142
1023
Buttons
Autumn School Contest 2000
7235
218
1024
Permutations
Autumn School Contest 2000
4892
322
1025
Democracy in Danger
Autumn School Contest 2000
23524
67
1026
Questions and Answers
Autumn School Contest 2000
10107
156
1027
D++ Again
Autumn School Contest 2000
2459
639
1082
Gaby Ivanushka
Spring School Contest 2001
10927
127
1083
Factorials!!!
Spring School Contest 2001
20338
68
1084
Goat in the Garden
Spring School Contest 2001
9201
150
1085
Meeting
Spring School Contest 2001
2198
628
1086
Cryptography
Spring School Contest 2001
12993
107
1087
The Time to Take Stones
Spring School Contest 2001
4992
277
1088
Ilya Murometz
Spring School Contest 2001
1850
745
1089
Verification with the Dictionary
Spring School Contest 2001
1639
841
1116
Piecewise Constant Function
Autumn School Contest 2001
1518
333
1117
Hierarchy
Autumn School Contest 2001
1805
280
1118
Nontrivial Numbers
Autumn School Contest 2001
4901
104
1119
Metro
Autumn School Contest 2001
7272
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5861
87
1121
Branches
Autumn School Contest 2001
1434
352
1122
Game
Autumn School Contest 2001
2018
251
1123
Salary
Autumn School Contest 2001
4152
122
1190
Bar of Chocolate
Spring School Contest 2002
1498
339
1191
Catch the thief!
Spring School Contest 2002
2046
249
1192
Ball in a Dream
Spring School Contest 2002
4656
110
1193
Queue at the Exam
Spring School Contest 2002
2808
182
1194
Handshakes
Spring School Contest 2002
6113
84
1195
Ouths and Crosses
Spring School Contest 2002
1956
260
1196
History Exam
Spring School Contest 2002
9735
52
1197
Lonesome Knight
Spring School Contest 2002
18421
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
15061
34
1210
Kind Spirits
Autumn School Contest 2002
3044
169
1211
Collective Guarantee
Autumn School Contest 2002
1648
311
1212
Battleship
Autumn School Contest 2002
1035
493
1213
Cockroaches!
Autumn School Contest 2002
3005
171
1214
Strange Procedure
Autumn School Contest 2002
5015
103
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1699
302
1257
Hyphenation
Autumn School Contest 2003
292
1726
1258
Pool
Autumn School Contest 2003
1240
417
1259
How to Become Star?
Autumn School Contest 2003
1303
397
1260
Nudnik Photographer
Autumn School Contest 2003
4668
111
1261
Tips
Autumn School Contest 2003
1574
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1325
391
1263
Elections
Autumn School Contest 2003
12219
43
1264
Workdays
Autumn School Contest 2003
24825
21
1290
Sabotage
Spring School Contest 2004
6501
80
1291
Gear-wheels
Spring School Contest 2004
1360
382
1292
Mars Space Stations
Spring School Contest 2004
1368
380
1293
Eniya
Spring School Contest 2004
36123
14
1294
Mars Satellites
Spring School Contest 2004
1640
317
1295
Crazy Notions
Spring School Contest 2004
3449
151
1296
Hyperjump
Spring School Contest 2004
8643
61
1297
Palindrome
Spring School Contest 2004
6356
82
1298
Knight
Spring School Contest 2004
2230
234
1299
Psylonians
Spring School Contest 2004
333
1527
1327
Fuses
Autumn School Contest 2004
11185
47
1328
Fireball
Autumn School Contest 2004
365
1405
1329
Galactic History
Autumn School Contest 2004
1154
453
1330
Intervals
Autumn School Contest 2004
5486
96
1331
Vladislava
Autumn School Contest 2004
529
977
1332
Genie Bomber
Autumn School Contest 2004
852
611
1333
Genie Bomber 2
Autumn School Contest 2004
2397
219
1334
Checkers
Autumn School Contest 2004
967
539
1335
White Thesis
Autumn School Contest 2004
2879
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4278
123
1337
Bureaucracy
Autumn School Contest 2004
336
1523
1347
Blog
Spring School Contest 2005
379
1359
1348
Goat in the Garden 2
Spring School Contest 2005
2952
179
1349
Farm
Spring School Contest 2005
10390
51
1350
Canteen
Spring School Contest 2005
1368
384
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
1013
517
1352
Mersenne Primes
Spring School Contest 2005
3996
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5114
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3811
138
1355
Bald Spot Revisited
Spring School Contest 2005
2479
212
1356
Something Easier
Spring School Contest 2005
1765
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
438
1180
1358
Cables
Spring School Contest 2005
970
540
1359
Construction
Spring School Contest 2005
445
1162
1400
Cellular Characters
Autumn School Contest 2005
956
549
1401
Gamers
Autumn School Contest 2005
3324
159
1402
Cocktails
Autumn School Contest 2005
4069
130
1403
Courier
Autumn School Contest 2005
1511
349
1404
Easy to Hack!
Autumn School Contest 2005
6647
80
1405
Goat in the Garden 5
Autumn School Contest 2005
736
711
1406
Next Number
Autumn School Contest 2005
1529
345
1407
One-two, One-two
Autumn School Contest 2005
1360
387
1408
Polynomial Multiplication
Autumn School Contest 2005
437
1187
1409
Two Gangsters
Autumn School Contest 2005
34702
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1263
389
1490
Fire Circle
Autumn School Contest 2006
2506
197
1491
Unreal Story
Autumn School Contest 2006
2403
205
1492
Vasya's Dad 2
Autumn School Contest 2006
238
1995
1493
One Step from Happiness
Autumn School Contest 2006
10462
47
1494
Monobilliards
Autumn School Contest 2006
5487
90
1495
One-two, One-two 2
Autumn School Contest 2006
1446
340
1496
Spammer
Autumn School Contest 2006
10087
49
1497
Cutting a Square
Autumn School Contest 2006
1624
303
1498
Stroke at Full Speed
Autumn School Contest 2006
551
882
1499
Kerchiefs
Autumn School Contest 2006
326
1472
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3141
146
1573
Alchemy
Autumn School Contest 2007
4272
108
1574
Mathematicians and brackets
Autumn School Contest 2007
1291
355
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
524
864
1576
Telephone Tariffs
Autumn School Contest 2007
3133
147
1577
E-mail
Autumn School Contest 2007
974
469
1578
Mammoth Hunt
Autumn School Contest 2007
515
879
1579
Coat Transportation
Autumn School Contest 2007
914
499
1580
Dean's Debts
Autumn School Contest 2007
514
880
1581
Teamwork
Autumn School Contest 2007
11381
40
1639
Chocolate 2
Autumn School Contest 2008
13203
32
1640
Circle of Winter
Autumn School Contest 2008
2402
178
1641
Duties
Autumn School Contest 2008
832
509
1642
1D Maze
Autumn School Contest 2008
4439
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
998
425
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4258
100
1645
Ski Race
Autumn School Contest 2008
2123
201
1646
Godzilla Strikes Back!
Autumn School Contest 2008
472
889
1647
Divide an Island!
Autumn School Contest 2008
505
832
1648
Yachts
Autumn School Contest 2008
1101
386
1722
Observation Deck
Ural Regional School Programming Contest 2009
286
1349
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6396
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
597
658
1725
Sold Out!
Ural Regional School Programming Contest 2009
2813
141
1726
Visits
Ural Regional School Programming Contest 2009
3325
120
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1972
201
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
752
524
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
627
627
1730
ManBearPig
Ural Regional School Programming Contest 2009
340
1141
1731
Dill
Ural Regional School Programming Contest 2009
3778
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22709
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3373
110
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14926
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2288
161
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1675
220
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
267
1339
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
242
1472
1792
Hamming Code
Ural Regional School Programming Contest 2010
4405
84
1793
Tray 2
Ural Regional School Programming Contest 2010
914
401
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1864
198
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1458
253
1796
Amusement Park
Ural Regional School Programming Contest 2010
3356
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
925
367
1874
Football Goal
Ural Regional School Programming Contest 2011
1717
199
1875
Angry Birds
Ural Regional School Programming Contest 2011
347
962
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6228
55
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17875
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1570
217
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
225
1461
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11327
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5551
62
1882
Old Nokia
Ural Regional School Programming Contest 2011
121
2620
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
271
1222
1884
Way to the University
Ural Regional School Programming Contest 2011
499
674
1921
Chaos and Order
Ural Regional School Programming Contest 2012
241
1262
1922
Superhero Team
Ural Regional School Programming Contest 2012
978
321
1923
Scary Politics
Ural Regional School Programming Contest 2012
575
541
1924
Four Imps
Ural Regional School Programming Contest 2012
8151
39
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4523
70
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
309
993
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
289
1059
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
404
765
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
816
383
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1938
163
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1818
159
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13356
22
2002
Test Task
Ural Regional School Programming Contest 2013
4055
72
2003
Simple Magic
Ural Regional School Programming Contest 2013
791
363
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
375
755
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3110
93
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
67
3775
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
140
1938
2008
Swifty
Ural Regional School Programming Contest 2013
267
1049
2009
Canteen Line
Ural Regional School Programming Contest 2013
338
835
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2169
133
2011
Long Statement
Ural Regional School Programming Contest 2013
2817
103
2024
Adventure Time
Ural Regional School Programming Contest 2014
781
338
2025
Line Fighting
Ural Regional School Programming Contest 2014
4474
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
443
590
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
489
536
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
294
880
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
435
601
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
510
514
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3041
88
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
331
784
2033
Devices
Ural Regional School Programming Contest 2014
2587
103
2034
Caravans
Ural Regional School Programming Contest 2014
929
285
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3437
78
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
822
294
2063
Black and White
Ural Regional School Programming Contest 2015
559
429
2064
Caterpillars
Ural Regional School Programming Contest 2015
243
966
2065
Different Sums
Ural Regional School Programming Contest 2015
761
317
2066
Simple Expression
Ural Regional School Programming Contest 2015
8739
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
745
324
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2256
108
2069
Hard Rock
Ural Regional School Programming Contest 2015
1075
225
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1034
234
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
375
635
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1177
206
2073
Log Files
Ural Regional School Programming Contest 2015
1006
241
2111
Plato
University-Academy Olympiad 2019
2277
73
2112
Battle log
University-Academy Olympiad 2019
199
801
2113
Survive the flood
University-Academy Olympiad 2019
382
427
2114
My craft
University-Academy Olympiad 2019
162
973
2115
The Knowledge Day
University-Academy Olympiad 2019
726
227
2116
He is not a knight for you
University-Academy Olympiad 2019
185
858
2117
Polyphemus' triples
University-Academy Olympiad 2019
302
536
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1381
112
2139
Experiment with Juice
Ural School Programming Contest 2019
31
3808
2140
BitMazeCraft
Ural School Programming Contest 2019
129
1123
2141
Sasha Vilkin
Ural School Programming Contest 2019
611
251
2142
Magic
Ural School Programming Contest 2019
1224
127
2143
Victoria!
Ural School Programming Contest 2019
229
653
2144
Cleaning the Room
Ural School Programming Contest 2019
700
220
2145
Olympiad for Everyone
Ural School Programming Contest 2019
409
373
2146
Quiz Show
Ural School Programming Contest 2019
239
627
2147
City Building
Ural School Programming Contest 2019
79
1754
2148
Insane Shot
Ural School Programming Contest 2019
309
489
2149
Pigeonhole Principle
Ural School Programming Contest 2019
1043
148
2150
4B and Zoo
Ural School Programming Contest 2020
106
1123
2151
Mahjong
Ural School Programming Contest 2020
144
846
2152
Tax Fees
Ural School Programming Contest 2020
105
1133
2153
Perfect Squad
Ural School Programming Contest 2020
131
924
2154
Flight on a Cannonball
Ural School Programming Contest 2020
47
2285
2155
Quadrocopter
Ural School Programming Contest 2020
124
972
2156
Interesting Conversations
Ural School Programming Contest 2020
192
645
2157
Skydiving
Ural School Programming Contest 2020
92
1277
2158
Two progressions
Ural School Programming Contest 2021
36
1771
2159
Essay
Ural School Programming Contest 2021
54
1275
2160
Meta-statement
Ural School Programming Contest 2021
66
1074
2161
Mount & Blade
Ural School Programming Contest 2021
102
728
2162
Graphmania
Ural School Programming Contest 2021
66
1072
2163
Interview
Ural School Programming Contest 2021
63
1116
2164
Bookmaker
Ural School Programming Contest 2021
42
1569
2165
Cake Cutter
Ural School Programming Contest 2021
40
1631
2166
Two Roads
Ural School Programming Contest 2022
34
1852
2167
Cipher Message 5
Ural School Programming Contest 2022
157
488
2168
Runes in the Field
Ural School Programming Contest 2022
17
3019
2169
City Building 2
Ural School Programming Contest 2022
37
1734
2170
Experiment with Juice 2
Ural School Programming Contest 2022
50
1358
2171
Two Progressions 2
Ural School Programming Contest 2022
48
1405
2172
Meta-statement 2
Ural School Programming Contest 2022
101
735
2173
Meta-statement 3
Ural School Programming Contest 2022
92
799
2174
Dualism of Numbers
Ural School Programming Contest 2023
52
868
2175
Staircase
Ural School Programming Contest 2023
42
1035
2176
Wonderful Numbers
Ural School Programming Contest 2023
42
1035
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
35
1196
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
27
1454
2179
Need More Roads
Ural School Programming Contest 2023
24
1581
2180
Need More Tasks
Ural School Programming Contest 2023
32
1281
2181
Student, or There and Back Again
Ural School Programming Contest 2023
34
1221
2182
Broken Rum
Ural School Programming Contest 2024
72
656
2183
Good Mood
Ural School Programming Contest 2024
69
681
2184
Flint's Favorite Number
Ural School Programming Contest 2024
34
1222
2185
Journey to the Treasure
Ural School Programming Contest 2024
16
2065
2186
Hands Up!
Ural School Programming Contest 2024
18
1917
2187
Need More Gold
Ural School Programming Contest 2024
27
1454
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
20
1793
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
38
1121
2200
He is not a knight for you 2
University-Academy Olympiad 2020
20
1124
2201
Esports Tournament
University-Academy Olympiad 2020
18
1205
2202
Gorodki and Robots
University-Academy Olympiad 2020
15
1349
2203
Favorite Sandwiches
University-Academy Olympiad 2020
16
1297
2204
Friends and Exams
University-Academy Olympiad 2022
42
649
2205
Natural Numbers
University-Academy Olympiad 2022
30
844
2206
Runes in the Field 2
University-Academy Olympiad 2022
17
1249
2207
Catansonnes
University-Academy Olympiad 2022
15
1349
2208
Two Gifts
University-Academy Olympiad 2023
22
1053
2209
Stern-Brocot Tree
University-Academy Olympiad 2023
39
688
2210
Tycoon Simulator
University-Academy Olympiad 2023
17
1246
2211
Integer Triangles
University-Academy Olympiad 2023
16
1297
2212
Prefossum
University-Academy Olympiad 2024
20
1123
2213
A Small Fix
University-Academy Olympiad 2024
14
1403
2214
Quality Emitter
University-Academy Olympiad 2024
14
1403
2215
Global Changes
University-Academy Olympiad 2024
14
1403
Solved problems:
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authors
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difficulty
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