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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
14857
99
1021
Sacrament of the Sum
Autumn School Contest 2000
10182
145
1022
Genealogical Tree
Autumn School Contest 2000
10650
138
1023
Buttons
Autumn School Contest 2000
7027
210
1024
Permutations
Autumn School Contest 2000
4742
310
1025
Democracy in Danger
Autumn School Contest 2000
22027
67
1026
Questions and Answers
Autumn School Contest 2000
9442
156
1027
D++ Again
Autumn School Contest 2000
2400
612
1082
Gaby Ivanushka
Spring School Contest 2001
10641
122
1083
Factorials!!!
Spring School Contest 2001
19246
67
1084
Goat in the Garden
Spring School Contest 2001
8737
148
1085
Meeting
Spring School Contest 2001
2111
611
1086
Cryptography
Spring School Contest 2001
12221
106
1087
The Time to Take Stones
Spring School Contest 2001
4834
268
1088
Ilya Murometz
Spring School Contest 2001
1784
723
1089
Verification with the Dictionary
Spring School Contest 2001
1552
830
1116
Piecewise Constant Function
Autumn School Contest 2001
1456
325
1117
Hierarchy
Autumn School Contest 2001
1736
273
1118
Nontrivial Numbers
Autumn School Contest 2001
4635
103
1119
Metro
Autumn School Contest 2001
6641
72
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5418
88
1121
Branches
Autumn School Contest 2001
1383
342
1122
Game
Autumn School Contest 2001
1953
243
1123
Salary
Autumn School Contest 2001
3964
120
1190
Bar of Chocolate
Spring School Contest 2002
1564
304
1191
Catch the thief!
Spring School Contest 2002
1969
242
1192
Ball in a Dream
Spring School Contest 2002
4452
107
1193
Queue at the Exam
Spring School Contest 2002
2670
179
1194
Handshakes
Spring School Contest 2002
5891
81
1195
Ouths and Crosses
Spring School Contest 2002
1856
257
1196
History Exam
Spring School Contest 2002
8825
54
1197
Lonesome Knight
Spring School Contest 2002
17091
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
13878
35
1210
Kind Spirits
Autumn School Contest 2002
2976
162
1211
Collective Guarantee
Autumn School Contest 2002
1548
310
1212
Battleship
Autumn School Contest 2002
965
496
1213
Cockroaches!
Autumn School Contest 2002
2854
169
1214
Strange Procedure
Autumn School Contest 2002
4791
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1603
300
1257
Hyphenation
Autumn School Contest 2003
274
1724
1258
Pool
Autumn School Contest 2003
1169
415
1259
How to Become Star?
Autumn School Contest 2003
1237
393
1260
Nudnik Photographer
Autumn School Contest 2003
4419
111
1261
Tips
Autumn School Contest 2003
1463
332
1262
Pseudo-Roman Number
Autumn School Contest 2003
1265
384
1263
Elections
Autumn School Contest 2003
11308
43
1264
Workdays
Autumn School Contest 2003
22686
22
1290
Sabotage
Spring School Contest 2004
6215
79
1291
Gear-wheels
Spring School Contest 2004
1238
394
1292
Mars Space Stations
Spring School Contest 2004
1308
373
1293
Eniya
Spring School Contest 2004
32902
15
1294
Mars Satellites
Spring School Contest 2004
1580
310
1295
Crazy Notions
Spring School Contest 2004
3252
151
1296
Hyperjump
Spring School Contest 2004
6553
75
1297
Palindrome
Spring School Contest 2004
5997
82
1298
Knight
Spring School Contest 2004
2142
229
1299
Psylonians
Spring School Contest 2004
319
1496
1327
Fuses
Autumn School Contest 2004
10634
47
1328
Fireball
Autumn School Contest 2004
350
1376
1329
Galactic History
Autumn School Contest 2004
1054
466
1330
Intervals
Autumn School Contest 2004
5098
97
1331
Vladislava
Autumn School Contest 2004
490
991
1332
Genie Bomber
Autumn School Contest 2004
791
619
1333
Genie Bomber 2
Autumn School Contest 2004
2274
217
1334
Checkers
Autumn School Contest 2004
913
537
1335
White Thesis
Autumn School Contest 2004
2775
178
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4092
121
1337
Bureaucracy
Autumn School Contest 2004
314
1529
1347
Blog
Spring School Contest 2005
353
1371
1348
Goat in the Garden 2
Spring School Contest 2005
2567
193
1349
Farm
Spring School Contest 2005
9807
51
1350
Canteen
Spring School Contest 2005
1261
392
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
937
525
1352
Mersenne Primes
Spring School Contest 2005
3836
129
1353
Milliard Vasya's Function
Spring School Contest 2005
4780
104
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3572
139
1355
Bald Spot Revisited
Spring School Contest 2005
2345
211
1356
Something Easier
Spring School Contest 2005
1684
294
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
412
1179
1358
Cables
Spring School Contest 2005
902
546
1359
Construction
Spring School Contest 2005
420
1157
1400
Cellular Characters
Autumn School Contest 2005
901
548
1401
Gamers
Autumn School Contest 2005
1926
258
1402
Cocktails
Autumn School Contest 2005
3891
128
1403
Courier
Autumn School Contest 2005
1415
351
1404
Easy to Hack!
Autumn School Contest 2005
6144
81
1405
Goat in the Garden 5
Autumn School Contest 2005
692
712
1406
Next Number
Autumn School Contest 2005
1453
341
1407
One-two, One-two
Autumn School Contest 2005
1295
383
1408
Polynomial Multiplication
Autumn School Contest 2005
409
1192
1409
Two Gangsters
Autumn School Contest 2005
31513
16
1489
Points on a Parallelepiped
Autumn School Contest 2006
1175
389
1490
Fire Circle
Autumn School Contest 2006
2322
198
1491
Unreal Story
Autumn School Contest 2006
2192
209
1492
Vasya's Dad 2
Autumn School Contest 2006
220
2006
1493
One Step from Happiness
Autumn School Contest 2006
9788
47
1494
Monobilliards
Autumn School Contest 2006
3999
115
1495
One-two, One-two 2
Autumn School Contest 2006
1354
338
1496
Spammer
Autumn School Contest 2006
9328
49
1497
Cutting a Square
Autumn School Contest 2006
1553
295
1498
Stroke at Full Speed
Autumn School Contest 2006
518
874
1499
Kerchiefs
Autumn School Contest 2006
304
1469
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
2960
143
1573
Alchemy
Autumn School Contest 2007
4043
105
1574
Mathematicians and brackets
Autumn School Contest 2007
1177
359
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
451
923
1576
Telephone Tariffs
Autumn School Contest 2007
2961
143
1577
E-mail
Autumn School Contest 2007
886
475
1578
Mammoth Hunt
Autumn School Contest 2007
479
870
1579
Coat Transportation
Autumn School Contest 2007
860
489
1580
Dean's Debts
Autumn School Contest 2007
469
889
1581
Teamwork
Autumn School Contest 2007
10478
41
1639
Chocolate 2
Autumn School Contest 2008
12280
32
1640
Circle of Winter
Autumn School Contest 2008
2272
171
1641
Duties
Autumn School Contest 2008
783
493
1642
1D Maze
Autumn School Contest 2008
4068
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
908
426
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4006
97
1645
Ski Race
Autumn School Contest 2008
1987
196
1646
Godzilla Strikes Back!
Autumn School Contest 2008
446
857
1647
Divide an Island!
Autumn School Contest 2008
471
812
1648
Yachts
Autumn School Contest 2008
1038
373
1722
Observation Deck
Ural Regional School Programming Contest 2009
270
1284
1723
Sandro's Book
Ural Regional School Programming Contest 2009
5885
61
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
553
639
1725
Sold Out!
Ural Regional School Programming Contest 2009
2652
135
1726
Visits
Ural Regional School Programming Contest 2009
2079
172
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1859
192
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
693
512
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
578
612
1730
ManBearPig
Ural Regional School Programming Contest 2009
315
1107
1731
Dill
Ural Regional School Programming Contest 2009
3560
101
1785
Lost in Localization
Ural Regional School Programming Contest 2010
20854
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3193
103
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
13304
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2160
152
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1596
205
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
243
1302
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
229
1378
1792
Hamming Code
Ural Regional School Programming Contest 2010
4148
79
1793
Tray 2
Ural Regional School Programming Contest 2010
861
378
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1735
189
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1379
237
1796
Amusement Park
Ural Regional School Programming Contest 2010
3168
104
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
855
347
1874
Football Goal
Ural Regional School Programming Contest 2011
1607
185
1875
Angry Birds
Ural Regional School Programming Contest 2011
316
920
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
5753
52
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
15852
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1494
199
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
211
1357
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
9987
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5050
59
1882
Old Nokia
Ural Regional School Programming Contest 2011
104
2630
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
252
1144
1884
Way to the University
Ural Regional School Programming Contest 2011
457
642
1921
Chaos and Order
Ural Regional School Programming Contest 2012
221
1175
1922
Superhero Team
Ural Regional School Programming Contest 2012
917
293
1923
Scary Politics
Ural Regional School Programming Contest 2012
523
509
1924
Four Imps
Ural Regional School Programming Contest 2012
7510
36
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4219
64
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
272
963
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
253
1032
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
364
726
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
759
353
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1617
167
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1695
143
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
11360
21
2002
Test Task
Ural Regional School Programming Contest 2013
3560
68
2003
Simple Magic
Ural Regional School Programming Contest 2013
730
329
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
337
702
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
2870
85
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
54
3809
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
127
1779
2008
Swifty
Ural Regional School Programming Contest 2013
238
983
2009
Canteen Line
Ural Regional School Programming Contest 2013
304
776
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2010
121
2011
Long Statement
Ural Regional School Programming Contest 2013
2605
93
2024
Adventure Time
Ural Regional School Programming Contest 2014
720
300
2025
Line Fighting
Ural Regional School Programming Contest 2014
3045
72
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
398
537
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
447
479
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
271
779
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
349
610
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
450
476
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
2790
78
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
302
702
2033
Devices
Ural Regional School Programming Contest 2014
2076
105
2034
Caravans
Ural Regional School Programming Contest 2014
753
287
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3098
70
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
751
255
2063
Black and White
Ural Regional School Programming Contest 2015
428
444
2064
Caterpillars
Ural Regional School Programming Contest 2015
213
872
2065
Different Sums
Ural Regional School Programming Contest 2015
701
273
2066
Simple Expression
Ural Regional School Programming Contest 2015
7223
27
2067
Friends and Berries
Ural Regional School Programming Contest 2015
663
289
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2018
96
2069
Hard Rock
Ural Regional School Programming Contest 2015
983
196
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
917
210
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
322
585
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1033
186
2073
Log Files
Ural Regional School Programming Contest 2015
928
207
2111
Plato
University academic school olympiad in informatics 2019
1711
65
2112
Battle log
University academic school olympiad in informatics 2019
153
689
2113
Survive the flood
University academic school olympiad in informatics 2019
287
378
2114
My craft
University academic school olympiad in informatics 2019
125
832
2115
The Knowledge Day
University academic school olympiad in informatics 2019
592
186
2116
He is not a knight for you
University academic school olympiad in informatics 2019
137
764
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
204
525
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
990
100
2139
Experiment with Juice
Ural School Programming Contest 2019
15
4012
2140
BitMazeCraft
Ural School Programming Contest 2019
92
983
2141
Sasha Vilkin
Ural School Programming Contest 2019
450
218
2142
Magic
Ural School Programming Contest 2019
869
114
2143
Victoria!
Ural School Programming Contest 2019
154
612
2144
Cleaning the Room
Ural School Programming Contest 2019
442
222
2145
Olympiad for Everyone
Ural School Programming Contest 2019
302
321
2146
Quiz Show
Ural School Programming Contest 2019
165
573
2147
City Building
Ural School Programming Contest 2019
49
1700
2148
Insane Shot
Ural School Programming Contest 2019
198
482
2149
Pigeonhole Principle
Ural School Programming Contest 2019
750
132
2150
4B and Zoo
Ural School Programming Contest 2020
59
1054
2151
Mahjong
Ural School Programming Contest 2020
91
720
2152
Tax Fees
Ural School Programming Contest 2020
69
920
2153
Perfect Squad
Ural School Programming Contest 2020
83
782
2154
Flight on a Cannonball
Ural School Programming Contest 2020
24
2139
2155
Quadrocopter
Ural School Programming Contest 2020
74
866
2156
Interesting Conversations
Ural School Programming Contest 2020
130
519
2157
Skydiving
Ural School Programming Contest 2020
50
1212
Solved problems:
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