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Problem set. School Contests
Solved problems:
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ID
Title
Source
Authors
Difficulty
1293
Eniya
Spring School Contest 2004
34502
15
1409
Two Gangsters
Autumn School Contest 2005
33058
15
1785
Lost in Localization
Ural Regional School Programming Contest 2010
21900
16
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
16804
19
1264
Workdays
Autumn School Contest 2003
23683
21
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
12302
21
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14032
25
2066
Simple Expression
Ural Regional School Programming Contest 2015
7871
27
1197
Lonesome Knight
Spring School Contest 2002
17727
28
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
10606
30
1639
Chocolate 2
Autumn School Contest 2008
12694
32
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14438
34
1924
Four Imps
Ural Regional School Programming Contest 2012
7825
37
1581
Teamwork
Autumn School Contest 2007
10939
40
1263
Elections
Autumn School Contest 2003
11765
43
1327
Fuses
Autumn School Contest 2004
10907
46
1493
One Step from Happiness
Autumn School Contest 2006
10081
47
1496
Spammer
Autumn School Contest 2006
9720
49
1349
Farm
Spring School Contest 2005
10096
50
1196
History Exam
Spring School Contest 2002
9204
53
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
5992
53
1881
Long problem statement
Ural Regional School Programming Contest 2011
5333
59
2025
Line Fighting
Ural Regional School Programming Contest 2014
4027
59
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6114
61
1296
Hyperjump
Spring School Contest 2004
7744
65
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4383
66
2111
Plato
University academic school olympiad in informatics 2019
2008
66
1025
Democracy in Danger
Autumn School Contest 2000
22755
67
1083
Factorials!!!
Spring School Contest 2001
19807
67
2002
Test Task
Ural Regional School Programming Contest 2013
3816
68
1119
Metro
Autumn School Contest 2001
6919
71
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3298
72
1290
Sabotage
Spring School Contest 2004
6357
79
1404
Easy to Hack!
Autumn School Contest 2005
6350
80
1297
Palindrome
Spring School Contest 2004
6179
81
1792
Hamming Code
Ural Regional School Programming Contest 2010
4271
81
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
2932
81
1194
Handshakes
Spring School Contest 2002
6002
82
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5606
87
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
2972
88
1642
1D Maze
Autumn School Contest 2008
4237
95
1330
Intervals
Autumn School Contest 2004
5266
96
1494
Monobilliards
Autumn School Contest 2006
4887
97
2011
Long Statement
Ural Regional School Programming Contest 2013
2697
97
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4115
98
1020
Rope
Autumn School Contest 2000
15321
99
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2123
100
1214
Strange Procedure
Autumn School Contest 2002
4889
101
2033
Devices
Ural Regional School Programming Contest 2014
2343
101
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1196
101
1731
Dill
Ural Regional School Programming Contest 2009
3664
102
1118
Nontrivial Numbers
Autumn School Contest 2001
4734
103
1353
Milliard Vasya's Function
Spring School Contest 2005
4914
103
1086
Cryptography
Spring School Contest 2001
12615
105
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3274
105
1573
Alchemy
Autumn School Contest 2007
4126
106
1796
Amusement Park
Ural Regional School Programming Contest 2010
3257
106
1192
Ball in a Dream
Spring School Contest 2002
4534
108
1260
Nudnik Photographer
Autumn School Contest 2003
4514
111
2142
Magic
Ural School Programming Contest 2019
1027
117
1123
Salary
Autumn School Contest 2001
4042
121
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4181
121
1082
Gaby Ivanushka
Spring School Contest 2001
10788
123
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2076
126
1402
Cocktails
Autumn School Contest 2005
3975
128
1726
Visits
Ural Regional School Programming Contest 2009
2888
129
1352
Mersenne Primes
Spring School Contest 2005
3913
130
2149
Pigeonhole Principle
Ural School Programming Contest 2019
884
136
1725
Sold Out!
Ural Regional School Programming Contest 2009
2716
138
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3669
139
1022
Genealogical Tree
Autumn School Contest 2000
10836
140
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3037
144
1576
Telephone Tariffs
Autumn School Contest 2007
3021
145
1021
Sacrament of the Sum
Autumn School Contest 2000
10390
146
1084
Goat in the Garden
Spring School Contest 2001
8927
149
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1744
149
1295
Crazy Notions
Spring School Contest 2004
3342
150
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2227
154
1026
Questions and Answers
Autumn School Contest 2000
9725
156
1210
Kind Spirits
Autumn School Contest 2002
3030
163
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1736
165
1213
Cockroaches!
Autumn School Contest 2002
2932
168
1640
Circle of Winter
Autumn School Contest 2008
2338
173
1401
Gamers
Autumn School Contest 2005
2852
179
1193
Queue at the Exam
Spring School Contest 2002
2714
180
1335
White Thesis
Autumn School Contest 2004
2815
180
1348
Goat in the Garden 2
Spring School Contest 2005
2718
187
1874
Football Goal
Ural Regional School Programming Contest 2011
1657
190
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1785
192
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1910
195
1490
Fire Circle
Autumn School Contest 2006
2397
197
1645
Ski Race
Autumn School Contest 2008
2052
197
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1075
197
2115
The Knowledge Day
University academic school olympiad in informatics 2019
652
202
2069
Hard Rock
Ural Regional School Programming Contest 2015
1030
205
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1527
206
1491
Unreal Story
Autumn School Contest 2006
2258
209
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1635
210
1355
Bald Spot Revisited
Spring School Contest 2005
2408
211
1023
Buttons
Autumn School Contest 2000
7122
212
1333
Genie Bomber 2
Autumn School Contest 2004
2336
216
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
966
219
2073
Log Files
Ural Regional School Programming Contest 2015
964
219
2144
Cleaning the Room
Ural School Programming Contest 2019
532
225
1298
Knight
Spring School Contest 2004
2166
232
2141
Sasha Vilkin
Ural School Programming Contest 2019
504
237
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1414
243
1191
Catch the thief!
Spring School Contest 2002
1995
245
1122
Game
Autumn School Contest 2001
1975
246
1195
Ouths and Crosses
Spring School Contest 2002
1884
260
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
781
270
1087
The Time to Take Stones
Spring School Contest 2001
4899
271
1117
Hierarchy
Autumn School Contest 2001
1762
276
2034
Caravans
Ural Regional School Programming Contest 2014
814
288
2065
Different Sums
Ural Regional School Programming Contest 2015
726
290
1356
Something Easier
Spring School Contest 2005
1717
295
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1651
298
1497
Cutting a Square
Autumn School Contest 2006
1580
298
1922
Superhero Team
Ural Regional School Programming Contest 2012
945
303
2067
Friends and Berries
Ural Regional School Programming Contest 2015
694
303
1190
Bar of Chocolate
Spring School Contest 2002
1590
307
1211
Collective Guarantee
Autumn School Contest 2002
1591
310
1294
Mars Satellites
Spring School Contest 2004
1607
312
1024
Permutations
Autumn School Contest 2000
4811
314
2024
Adventure Time
Ural Regional School Programming Contest 2014
742
316
1116
Piecewise Constant Function
Autumn School Contest 2001
1482
328
1261
Tips
Autumn School Contest 2003
1507
331
1495
One-two, One-two 2
Autumn School Contest 2006
1393
338
2003
Simple Magic
Ural Regional School Programming Contest 2013
754
343
1406
Next Number
Autumn School Contest 2005
1478
344
2145
Olympiad for Everyone
Ural School Programming Contest 2019
343
345
1121
Branches
Autumn School Contest 2001
1404
346
1403
Courier
Autumn School Contest 2005
1451
350
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
885
354
1574
Mathematicians and brackets
Autumn School Contest 2007
1214
359
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
777
367
1292
Mars Space Stations
Spring School Contest 2004
1328
377
1648
Yachts
Autumn School Contest 2008
1063
378
1407
One-two, One-two
Autumn School Contest 2005
1323
384
1291
Gear-wheels
Spring School Contest 2004
1300
385
1793
Tray 2
Ural Regional School Programming Contest 2010
887
385
1262
Pseudo-Roman Number
Autumn School Contest 2003
1286
387
2113
Survive the flood
University academic school olympiad in informatics 2019
333
389
1489
Points on a Parallelepiped
Autumn School Contest 2006
1207
390
1259
How to Become Star?
Autumn School Contest 2003
1268
393
1350
Canteen
Spring School Contest 2005
1288
393
1258
Pool
Autumn School Contest 2003
1195
416
1643
Attack of the Dark Fortress
Autumn School Contest 2008
953
421
2063
Black and White
Ural Regional School Programming Contest 2015
492
426
1329
Galactic History
Autumn School Contest 2004
1085
464
1577
E-mail
Autumn School Contest 2007
923
471
2148
Insane Shot
Ural School Programming Contest 2019
244
479
1212
Battleship
Autumn School Contest 2002
1008
487
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
478
487
1579
Coat Transportation
Autumn School Contest 2007
884
491
1641
Duties
Autumn School Contest 2008
807
496
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
459
507
2167
Cipher Message 5
Ural School Programming Contest 2022
76
513
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
711
520
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
246
521
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
966
522
1923
Scary Politics
Ural Regional School Programming Contest 2012
537
528
1334
Checkers
Autumn School Contest 2004
934
538
1358
Cables
Spring School Contest 2005
929
543
1400
Cellular Characters
Autumn School Contest 2005
928
545
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
408
568
2156
Interesting Conversations
Ural School Programming Contest 2020
154
578
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
397
584
1085
Meeting
Spring School Contest 2001
2147
617
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
598
617
2146
Quiz Show
Ural School Programming Contest 2019
187
618
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
334
621
1027
D++ Again
Autumn School Contest 2000
2424
622
1332
Genie Bomber
Autumn School Contest 2004
806
622
2143
Victoria!
Ural School Programming Contest 2019
182
634
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
572
644
1884
Way to the University
Ural Regional School Programming Contest 2011
480
646
1405
Goat in the Garden 5
Autumn School Contest 2005
707
713
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
347
733
1088
Ilya Murometz
Spring School Contest 2001
1804
734
2172
Meta-statement 2
Ural School Programming Contest 2022
50
736
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
375
750
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
305
754
2112
Battle log
University academic school olympiad in informatics 2019
167
754
2161
Mount & Blade
Ural School Programming Contest 2021
46
789
2009
Canteen Line
Ural Regional School Programming Contest 2013
312
813
2173
Meta-statement 3
Ural School Programming Contest 2022
44
817
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
280
819
1647
Divide an Island!
Autumn School Contest 2008
479
829
1089
Verification with the Dictionary
Spring School Contest 2001
1591
831
2116
He is not a knight for you
University academic school olympiad in informatics 2019
147
850
2151
Mahjong
Ural School Programming Contest 2020
101
855
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
499
863
1578
Mammoth Hunt
Autumn School Contest 2007
494
872
1580
Dean's Debts
Autumn School Contest 2007
489
880
1646
Godzilla Strikes Back!
Autumn School Contest 2008
449
883
1498
Stroke at Full Speed
Autumn School Contest 2006
524
888
2155
Quadrocopter
Ural School Programming Contest 2020
94
912
2114
My craft
University academic school olympiad in informatics 2019
134
927
2064
Caterpillars
Ural Regional School Programming Contest 2015
220
929
2153
Perfect Squad
Ural School Programming Contest 2020
92
930
1875
Angry Birds
Ural Regional School Programming Contest 2011
323
951
1331
Vladislava
Autumn School Contest 2004
500
995
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
277
1007
2150
4B and Zoo
Ural School Programming Contest 2020
84
1009
2152
Tax Fees
Ural School Programming Contest 2020
84
1009
2008
Swifty
Ural Regional School Programming Contest 2013
244
1031
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
266
1047
2140
BitMazeCraft
Ural School Programming Contest 2019
102
1087
2160
Meta-statement
Ural School Programming Contest 2021
30
1105
1730
ManBearPig
Ural Regional School Programming Contest 2009
327
1112
1359
Construction
Spring School Contest 2005
431
1156
2162
Graphmania
Ural School Programming Contest 2021
28
1161
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
257
1186
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
417
1194
2157
Skydiving
Ural School Programming Contest 2020
69
1201
1408
Polynomial Multiplication
Autumn School Contest 2005
413
1209
1921
Chaos and Order
Ural Regional School Programming Contest 2012
228
1214
1722
Observation Deck
Ural Regional School Programming Contest 2009
274
1320
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
246
1349
2171
Two Progressions 2
Ural School Programming Contest 2022
22
1378
1347
Blog
Spring School Contest 2005
359
1381
1328
Fireball
Autumn School Contest 2004
352
1402
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
214
1413
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
233
1421
2163
Interview
Ural School Programming Contest 2021
21
1422
2159
Essay
Ural School Programming Contest 2021
21
1426
1499
Kerchiefs
Autumn School Contest 2006
310
1482
2158
Two progressions
Ural School Programming Contest 2021
19
1519
1299
Psylonians
Spring School Contest 2004
319
1533
1337
Bureaucracy
Autumn School Contest 2004
316
1557
2164
Bookmaker
Ural School Programming Contest 2021
18
1578
2166
Two Roads
Ural School Programming Contest 2022
16
1696
2170
Experiment with Juice 2
Ural School Programming Contest 2022
16
1696
1257
Hyphenation
Autumn School Contest 2003
278
1742
2165
Cake Cutter
Ural School Programming Contest 2021
15
1766
2147
City Building
Ural School Programming Contest 2019
56
1845
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
128
1897
1492
Vasya's Dad 2
Autumn School Contest 2006
227
2001
2169
City Building 2
Ural School Programming Contest 2022
11
2100
2154
Flight on a Cannonball
Ural School Programming Contest 2020
31
2313
1882
Old Nokia
Ural Regional School Programming Contest 2011
107
2706
2168
Runes in the Field
Ural School Programming Contest 2022
5
2940
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
57
3907
2139
Experiment with Juice
Ural School Programming Contest 2019
20
4059
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