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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
15314
99
1021
Sacrament of the Sum
Autumn School Contest 2000
10385
146
1022
Genealogical Tree
Autumn School Contest 2000
10833
140
1023
Buttons
Autumn School Contest 2000
7118
212
1024
Permutations
Autumn School Contest 2000
4808
314
1025
Democracy in Danger
Autumn School Contest 2000
22744
67
1026
Questions and Answers
Autumn School Contest 2000
9721
156
1027
D++ Again
Autumn School Contest 2000
2422
622
1082
Gaby Ivanushka
Spring School Contest 2001
10785
123
1083
Factorials!!!
Spring School Contest 2001
19799
67
1084
Goat in the Garden
Spring School Contest 2001
8921
149
1085
Meeting
Spring School Contest 2001
2147
617
1086
Cryptography
Spring School Contest 2001
12608
105
1087
The Time to Take Stones
Spring School Contest 2001
4899
271
1088
Ilya Murometz
Spring School Contest 2001
1804
733
1089
Verification with the Dictionary
Spring School Contest 2001
1591
831
1116
Piecewise Constant Function
Autumn School Contest 2001
1483
327
1117
Hierarchy
Autumn School Contest 2001
1763
276
1118
Nontrivial Numbers
Autumn School Contest 2001
4734
103
1119
Metro
Autumn School Contest 2001
6916
71
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5602
87
1121
Branches
Autumn School Contest 2001
1405
345
1122
Game
Autumn School Contest 2001
1976
246
1123
Salary
Autumn School Contest 2001
4041
121
1190
Bar of Chocolate
Spring School Contest 2002
1591
307
1191
Catch the thief!
Spring School Contest 2002
1996
245
1192
Ball in a Dream
Spring School Contest 2002
4532
108
1193
Queue at the Exam
Spring School Contest 2002
2715
180
1194
Handshakes
Spring School Contest 2002
5999
82
1195
Ouths and Crosses
Spring School Contest 2002
1885
259
1196
History Exam
Spring School Contest 2002
9197
53
1197
Lonesome Knight
Spring School Contest 2002
17712
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14422
34
1210
Kind Spirits
Autumn School Contest 2002
3031
163
1211
Collective Guarantee
Autumn School Contest 2002
1592
309
1212
Battleship
Autumn School Contest 2002
1009
486
1213
Cockroaches!
Autumn School Contest 2002
2932
168
1214
Strange Procedure
Autumn School Contest 2002
4889
101
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1648
299
1257
Hyphenation
Autumn School Contest 2003
279
1735
1258
Pool
Autumn School Contest 2003
1196
416
1259
How to Become Star?
Autumn School Contest 2003
1266
393
1260
Nudnik Photographer
Autumn School Contest 2003
4513
111
1261
Tips
Autumn School Contest 2003
1507
331
1262
Pseudo-Roman Number
Autumn School Contest 2003
1286
387
1263
Elections
Autumn School Contest 2003
11758
43
1264
Workdays
Autumn School Contest 2003
23664
21
1290
Sabotage
Spring School Contest 2004
6354
79
1291
Gear-wheels
Spring School Contest 2004
1300
385
1292
Mars Space Stations
Spring School Contest 2004
1329
376
1293
Eniya
Spring School Contest 2004
34487
15
1294
Mars Satellites
Spring School Contest 2004
1608
311
1295
Crazy Notions
Spring School Contest 2004
3343
150
1296
Hyperjump
Spring School Contest 2004
7739
65
1297
Palindrome
Spring School Contest 2004
6175
81
1298
Knight
Spring School Contest 2004
2167
232
1299
Psylonians
Spring School Contest 2004
320
1527
1327
Fuses
Autumn School Contest 2004
10902
46
1328
Fireball
Autumn School Contest 2004
353
1397
1329
Galactic History
Autumn School Contest 2004
1084
464
1330
Intervals
Autumn School Contest 2004
5264
96
1331
Vladislava
Autumn School Contest 2004
500
995
1332
Genie Bomber
Autumn School Contest 2004
805
622
1333
Genie Bomber 2
Autumn School Contest 2004
2334
216
1334
Checkers
Autumn School Contest 2004
934
537
1335
White Thesis
Autumn School Contest 2004
2816
180
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4182
121
1337
Bureaucracy
Autumn School Contest 2004
317
1551
1347
Blog
Spring School Contest 2005
360
1377
1348
Goat in the Garden 2
Spring School Contest 2005
2717
187
1349
Farm
Spring School Contest 2005
10086
50
1350
Canteen
Spring School Contest 2005
1289
392
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
966
522
1352
Mersenne Primes
Spring School Contest 2005
3914
130
1353
Milliard Vasya's Function
Spring School Contest 2005
4908
104
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3670
138
1355
Bald Spot Revisited
Spring School Contest 2005
2407
211
1356
Something Easier
Spring School Contest 2005
1718
295
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
418
1190
1358
Cables
Spring School Contest 2005
929
542
1359
Construction
Spring School Contest 2005
432
1152
1400
Cellular Characters
Autumn School Contest 2005
928
545
1401
Gamers
Autumn School Contest 2005
2844
179
1402
Cocktails
Autumn School Contest 2005
3974
128
1403
Courier
Autumn School Contest 2005
1452
350
1404
Easy to Hack!
Autumn School Contest 2005
6346
80
1405
Goat in the Garden 5
Autumn School Contest 2005
706
714
1406
Next Number
Autumn School Contest 2005
1477
344
1407
One-two, One-two
Autumn School Contest 2005
1323
383
1408
Polynomial Multiplication
Autumn School Contest 2005
414
1205
1409
Two Gangsters
Autumn School Contest 2005
33042
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1207
389
1490
Fire Circle
Autumn School Contest 2006
2398
197
1491
Unreal Story
Autumn School Contest 2006
2256
209
1492
Vasya's Dad 2
Autumn School Contest 2006
228
1991
1493
One Step from Happiness
Autumn School Contest 2006
10074
47
1494
Monobilliards
Autumn School Contest 2006
4868
97
1495
One-two, One-two 2
Autumn School Contest 2006
1393
338
1496
Spammer
Autumn School Contest 2006
9711
49
1497
Cutting a Square
Autumn School Contest 2006
1580
298
1498
Stroke at Full Speed
Autumn School Contest 2006
525
886
1499
Kerchiefs
Autumn School Contest 2006
311
1476
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3035
144
1573
Alchemy
Autumn School Contest 2007
4125
106
1574
Mathematicians and brackets
Autumn School Contest 2007
1215
358
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
500
861
1576
Telephone Tariffs
Autumn School Contest 2007
3021
145
1577
E-mail
Autumn School Contest 2007
924
470
1578
Mammoth Hunt
Autumn School Contest 2007
493
873
1579
Coat Transportation
Autumn School Contest 2007
885
490
1580
Dean's Debts
Autumn School Contest 2007
490
878
1581
Teamwork
Autumn School Contest 2007
10927
40
1639
Chocolate 2
Autumn School Contest 2008
12679
32
1640
Circle of Winter
Autumn School Contest 2008
2338
172
1641
Duties
Autumn School Contest 2008
807
496
1642
1D Maze
Autumn School Contest 2008
4236
95
1643
Attack of the Dark Fortress
Autumn School Contest 2008
953
421
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4115
98
1645
Ski Race
Autumn School Contest 2008
2053
196
1646
Godzilla Strikes Back!
Autumn School Contest 2008
450
880
1647
Divide an Island!
Autumn School Contest 2008
479
828
1648
Yachts
Autumn School Contest 2008
1064
377
1722
Observation Deck
Ural Regional School Programming Contest 2009
275
1314
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6110
61
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
572
644
1725
Sold Out!
Ural Regional School Programming Contest 2009
2717
137
1726
Visits
Ural Regional School Programming Contest 2009
2874
130
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1909
195
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
711
519
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
597
617
1730
ManBearPig
Ural Regional School Programming Contest 2009
328
1108
1731
Dill
Ural Regional School Programming Contest 2009
3664
102
1785
Lost in Localization
Ural Regional School Programming Contest 2010
21883
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3273
105
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14013
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2228
154
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1635
210
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
247
1342
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
234
1414
1792
Hamming Code
Ural Regional School Programming Contest 2010
4269
81
1793
Tray 2
Ural Regional School Programming Contest 2010
887
385
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1785
192
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1415
242
1796
Amusement Park
Ural Regional School Programming Contest 2010
3257
106
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
885
353
1874
Football Goal
Ural Regional School Programming Contest 2011
1657
190
1875
Angry Birds
Ural Regional School Programming Contest 2011
323
949
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
5986
53
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
16788
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1527
206
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
215
1405
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
10592
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5330
59
1882
Old Nokia
Ural Regional School Programming Contest 2011
108
2679
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
258
1180
1884
Way to the University
Ural Regional School Programming Contest 2011
481
644
1921
Chaos and Order
Ural Regional School Programming Contest 2012
229
1207
1922
Superhero Team
Ural Regional School Programming Contest 2012
944
302
1923
Scary Politics
Ural Regional School Programming Contest 2012
537
527
1924
Four Imps
Ural Regional School Programming Contest 2012
7817
37
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4381
66
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
278
1002
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
266
1045
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
376
747
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
777
367
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1737
165
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1744
149
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
12288
21
2002
Test Task
Ural Regional School Programming Contest 2013
3816
68
2003
Simple Magic
Ural Regional School Programming Contest 2013
754
342
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
347
732
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
2969
88
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
58
3843
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
129
1880
2008
Swifty
Ural Regional School Programming Contest 2013
245
1025
2009
Canteen Line
Ural Regional School Programming Contest 2013
313
809
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2077
125
2011
Long Statement
Ural Regional School Programming Contest 2013
2697
97
2024
Adventure Time
Ural Regional School Programming Contest 2014
742
315
2025
Line Fighting
Ural Regional School Programming Contest 2014
4021
59
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
409
566
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
459
506
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
281
815
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
398
581
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
478
486
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
2930
81
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
305
753
2033
Devices
Ural Regional School Programming Contest 2014
2343
101
2034
Caravans
Ural Regional School Programming Contest 2014
814
288
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3297
72
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
782
269
2063
Black and White
Ural Regional School Programming Contest 2015
488
428
2064
Caterpillars
Ural Regional School Programming Contest 2015
221
923
2065
Different Sums
Ural Regional School Programming Contest 2015
727
289
2066
Simple Expression
Ural Regional School Programming Contest 2015
7856
27
2067
Friends and Berries
Ural Regional School Programming Contest 2015
694
303
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2122
100
2069
Hard Rock
Ural Regional School Programming Contest 2015
1029
205
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
965
219
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
335
618
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1076
196
2073
Log Files
Ural Regional School Programming Contest 2015
963
219
2111
Plato
University academic school olympiad in informatics 2019
2005
66
2112
Battle log
University academic school olympiad in informatics 2019
168
747
2113
Survive the flood
University academic school olympiad in informatics 2019
332
389
2114
My craft
University academic school olympiad in informatics 2019
135
917
2115
The Knowledge Day
University academic school olympiad in informatics 2019
653
200
2116
He is not a knight for you
University academic school olympiad in informatics 2019
148
841
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
247
517
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1193
101
2139
Experiment with Juice
Ural School Programming Contest 2019
21
3910
2140
BitMazeCraft
Ural School Programming Contest 2019
103
1073
2141
Sasha Vilkin
Ural School Programming Contest 2019
504
236
2142
Magic
Ural School Programming Contest 2019
1026
117
2143
Victoria!
Ural School Programming Contest 2019
183
628
2144
Cleaning the Room
Ural School Programming Contest 2019
530
224
2145
Olympiad for Everyone
Ural School Programming Contest 2019
343
343
2146
Quiz Show
Ural School Programming Contest 2019
188
612
2147
City Building
Ural School Programming Contest 2019
57
1809
2148
Insane Shot
Ural School Programming Contest 2019
241
483
2149
Pigeonhole Principle
Ural School Programming Contest 2019
883
136
2150
4B and Zoo
Ural School Programming Contest 2020
85
993
2151
Mahjong
Ural School Programming Contest 2020
102
842
2152
Tax Fees
Ural School Programming Contest 2020
85
992
2153
Perfect Squad
Ural School Programming Contest 2020
92
924
2154
Flight on a Cannonball
Ural School Programming Contest 2020
32
2245
2155
Quadrocopter
Ural School Programming Contest 2020
95
898
2156
Interesting Conversations
Ural School Programming Contest 2020
155
571
2157
Skydiving
Ural School Programming Contest 2020
70
1179
2158
Two progressions
Ural School Programming Contest 2021
20
1448
2159
Essay
Ural School Programming Contest 2021
22
1362
2160
Meta-statement
Ural School Programming Contest 2021
31
1063
2161
Mount & Blade
Ural School Programming Contest 2021
46
778
2162
Graphmania
Ural School Programming Contest 2021
29
1115
2163
Interview
Ural School Programming Contest 2021
22
1359
2164
Bookmaker
Ural School Programming Contest 2021
19
1503
2165
Cake Cutter
Ural School Programming Contest 2021
16
1675
2166
Two Roads
Ural School Programming Contest 2022
17
1611
2167
Cipher Message 5
Ural School Programming Contest 2022
74
518
2168
Runes in the Field
Ural School Programming Contest 2022
6
2719
2169
City Building 2
Ural School Programming Contest 2022
12
1978
2170
Experiment with Juice 2
Ural School Programming Contest 2022
17
1611
2171
Two Progressions 2
Ural School Programming Contest 2022
23
1318
2172
Meta-statement 2
Ural School Programming Contest 2022
51
714
2173
Meta-statement 3
Ural School Programming Contest 2022
45
792
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