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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
14615
99
1021
Sacrament of the Sum
Autumn School Contest 2000
10078
144
1022
Genealogical Tree
Autumn School Contest 2000
10558
137
1023
Buttons
Autumn School Contest 2000
6960
208
1024
Permutations
Autumn School Contest 2000
4700
308
1025
Democracy in Danger
Autumn School Contest 2000
21597
67
1026
Questions and Answers
Autumn School Contest 2000
9238
157
1027
D++ Again
Autumn School Contest 2000
2389
605
1082
Gaby Ivanushka
Spring School Contest 2001
10536
121
1083
Factorials!!!
Spring School Contest 2001
18838
68
1084
Goat in the Garden
Spring School Contest 2001
8635
148
1085
Meeting
Spring School Contest 2001
2094
606
1086
Cryptography
Spring School Contest 2001
11931
107
1087
The Time to Take Stones
Spring School Contest 2001
4676
272
1088
Ilya Murometz
Spring School Contest 2001
1772
716
1089
Verification with a Vocabulary
Spring School Contest 2001
2715
468
1116
Piecewise Constant Function
Autumn School Contest 2001
1443
323
1117
Hierarchy
Autumn School Contest 2001
1716
272
1118
Nontrivial Numbers
Autumn School Contest 2001
4574
102
1119
Metro
Autumn School Contest 2001
6489
72
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5355
87
1121
Branches
Autumn School Contest 2001
1368
340
1122
Game
Autumn School Contest 2001
1942
240
1123
Salary
Autumn School Contest 2001
3896
120
1190
Bar of Chocolate
Spring School Contest 2002
1542
304
1191
Catch the thief!
Spring School Contest 2002
1915
245
1192
Ball in a Dream
Spring School Contest 2002
4294
110
1193
Queue at the Exam
Spring School Contest 2002
2599
181
1194
Handshakes
Spring School Contest 2002
5822
81
1195
Ouths and Crosses
Spring School Contest 2002
1858
252
1196
History Exam
Spring School Contest 2002
8653
54
1197
Lonesome Knight
Spring School Contest 2002
16681
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
13390
36
1210
Kind Spirits
Autumn School Contest 2002
2936
162
1211
Collective Guarantee
Autumn School Contest 2002
1491
317
1212
Battleship
Autumn School Contest 2002
940
501
1213
Cockroaches!
Autumn School Contest 2002
2805
169
1214
Strange Procedure
Autumn School Contest 2002
4729
100
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1573
301
1257
Hyphenation
Autumn School Contest 2003
273
1704
1258
Pool
Autumn School Contest 2003
1136
421
1259
How to Become Star?
Autumn School Contest 2003
1224
391
1260
Nudnik Photographer
Autumn School Contest 2003
4361
110
1261
Tips
Autumn School Contest 2003
1443
332
1262
Pseudo-Roman Number
Autumn School Contest 2003
1255
381
1263
Elections
Autumn School Contest 2003
11107
43
1264
Workdays
Autumn School Contest 2003
21892
22
1290
Sabotage
Spring School Contest 2004
6119
79
1291
Gear-wheels
Spring School Contest 2004
1219
395
1292
Mars Space Stations
Spring School Contest 2004
1295
372
1293
Eniya
Spring School Contest 2004
31776
15
1294
Mars Satellites
Spring School Contest 2004
1555
310
1295
Crazy Notions
Spring School Contest 2004
3191
151
1296
Hyperjump
Spring School Contest 2004
6389
76
1297
Palindrome
Spring School Contest 2004
5884
82
1298
Knight
Spring School Contest 2004
1981
244
1299
Psylonians
Spring School Contest 2004
316
1487
1327
Fuses
Autumn School Contest 2004
10455
47
1328
Fireball
Autumn School Contest 2004
346
1371
1329
Galactic History
Autumn School Contest 2004
1041
465
1330
Intervals
Autumn School Contest 2004
4998
97
1331
Vladislava
Autumn School Contest 2004
481
994
1332
Genie Bomber
Autumn School Contest 2004
781
617
1333
Genie Bomber 2
Autumn School Contest 2004
2247
216
1334
Checkers
Autumn School Contest 2004
906
533
1335
White Thesis
Autumn School Contest 2004
2737
178
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4035
121
1337
Bureaucracy
Autumn School Contest 2004
311
1521
1347
Blog
Spring School Contest 2005
342
1393
1348
Goat in the Garden 2
Spring School Contest 2005
2555
191
1349
Farm
Spring School Contest 2005
9597
51
1350
Canteen
Spring School Contest 2005
1246
390
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
918
528
1352
Mersenne Primes
Spring School Contest 2005
3783
129
1353
Milliard Vasya's Function
Spring School Contest 2005
4685
104
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3511
139
1355
Bald Spot Revisited
Spring School Contest 2005
2278
214
1356
Something Easier
Spring School Contest 2005
1543
316
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
405
1182
1358
Cables
Spring School Contest 2005
884
549
1359
Construction
Spring School Contest 2005
398
1202
1400
Cellular Characters
Autumn School Contest 2005
892
546
1401
Gamers
Autumn School Contest 2005
1840
266
1402
Cocktails
Autumn School Contest 2005
3830
128
1403
Courier
Autumn School Contest 2005
1338
365
1404
Easy to Hack!
Autumn School Contest 2005
6056
81
1405
Goat in the Garden 5
Autumn School Contest 2005
685
708
1406
Next Number
Autumn School Contest 2005
1438
340
1407
One-two, One-two
Autumn School Contest 2005
1280
382
1408
Polynomial Multiplication
Autumn School Contest 2005
407
1180
1409
Two Gangsters
Autumn School Contest 2005
30401
16
1489
Points on a Parallelepiped
Autumn School Contest 2006
1142
394
1490
Fire Circle
Autumn School Contest 2006
2273
199
1491
Unreal Story
Autumn School Contest 2006
2146
210
1492
Vasya's Dad 2
Autumn School Contest 2006
220
1972
1493
One Step from Happiness
Autumn School Contest 2006
9537
48
1494
Monobilliards
Autumn School Contest 2006
3890
116
1495
One-two, One-two 2
Autumn School Contest 2006
1333
338
1496
Spammer
Autumn School Contest 2006
9029
50
1497
Cutting a Square
Autumn School Contest 2006
1509
299
1498
Stroke at Full Speed
Autumn School Contest 2006
513
867
1499
Kerchiefs
Autumn School Contest 2006
302
1454
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
2905
143
1573
Alchemy
Autumn School Contest 2007
3985
104
1574
Mathematicians and brackets
Autumn School Contest 2007
1162
356
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
447
913
1576
Telephone Tariffs
Autumn School Contest 2007
2885
144
1577
E-mail
Autumn School Contest 2007
860
480
1578
Mammoth Hunt
Autumn School Contest 2007
468
873
1579
Coat Transportation
Autumn School Contest 2007
847
487
1580
Dean's Debts
Autumn School Contest 2007
461
886
1581
Teamwork
Autumn School Contest 2007
10231
41
1639
Chocolate 2
Autumn School Contest 2008
11896
32
1640
Circle of Winter
Autumn School Contest 2008
2239
170
1641
Duties
Autumn School Contest 2008
774
487
1642
1D Maze
Autumn School Contest 2008
4013
95
1643
Attack of the Dark Fortress
Autumn School Contest 2008
884
427
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
3944
97
1645
Ski Race
Autumn School Contest 2008
1952
195
1646
Godzilla Strikes Back!
Autumn School Contest 2008
441
847
1647
Divide an Island!
Autumn School Contest 2008
465
804
1648
Yachts
Autumn School Contest 2008
1024
369
1722
Observation Deck
Ural Regional School Programming Contest 2009
266
1269
1723
Sandro's Book
Ural Regional School Programming Contest 2009
5761
61
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
540
637
1725
Sold Out!
Ural Regional School Programming Contest 2009
2607
134
1726
Visits
Ural Regional School Programming Contest 2009
2004
174
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1833
190
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
681
507
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
570
604
1730
ManBearPig
Ural Regional School Programming Contest 2009
311
1092
1731
Dill
Ural Regional School Programming Contest 2009
3492
100
1785
Lost in Localization
Ural Regional School Programming Contest 2010
20236
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3137
102
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
12801
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2113
151
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1567
203
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
240
1279
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
229
1337
1792
Hamming Code
Ural Regional School Programming Contest 2010
4065
78
1793
Tray 2
Ural Regional School Programming Contest 2010
851
371
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1702
187
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1322
240
1796
Amusement Park
Ural Regional School Programming Contest 2010
3125
102
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
835
343
1874
Football Goal
Ural Regional School Programming Contest 2011
1578
182
1875
Angry Birds
Ural Regional School Programming Contest 2011
311
903
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
5602
52
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
15256
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1468
196
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
207
1335
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
9597
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
4899
59
1882
Old Nokia
Ural Regional School Programming Contest 2011
102
2587
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
247
1127
1884
Way to the University
Ural Regional School Programming Contest 2011
438
647
1921
Chaos and Order
Ural Regional School Programming Contest 2012
216
1155
1922
Superhero Team
Ural Regional School Programming Contest 2012
898
287
1923
Scary Politics
Ural Regional School Programming Contest 2012
515
497
1924
Four Imps
Ural Regional School Programming Contest 2012
7255
36
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4093
64
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
267
942
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
250
1004
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
362
702
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
748
344
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1534
169
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1645
141
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
10720
22
2002
Test Task
Ural Regional School Programming Contest 2013
3428
68
2003
Simple Magic
Ural Regional School Programming Contest 2013
710
323
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
334
677
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
2800
83
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
54
3638
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
127
1699
2008
Swifty
Ural Regional School Programming Contest 2013
236
946
2009
Canteen Line
Ural Regional School Programming Contest 2013
301
749
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
1950
119
2011
Long Statement
Ural Regional School Programming Contest 2013
2538
91
2024
Adventure Time
Ural Regional School Programming Contest 2014
706
290
2025
Line Fighting
Ural Regional School Programming Contest 2014
2900
71
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
388
522
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
436
466
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
262
763
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
343
588
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
437
464
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
2703
77
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
296
679
2033
Devices
Ural Regional School Programming Contest 2014
1983
104
2034
Caravans
Ural Regional School Programming Contest 2014
718
285
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
2976
70
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
616
292
2063
Black and White
Ural Regional School Programming Contest 2015
420
425
2064
Caterpillars
Ural Regional School Programming Contest 2015
210
831
2065
Different Sums
Ural Regional School Programming Contest 2015
674
267
2066
Simple Expression
Ural Regional School Programming Contest 2015
6712
27
2067
Friends and Berries
Ural Regional School Programming Contest 2015
640
281
2068
Game of Nuts
Ural Regional School Programming Contest 2015
1962
93
2069
Hard Rock
Ural Regional School Programming Contest 2015
957
189
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
864
209
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
315
562
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
989
183
2073
Log Files
Ural Regional School Programming Contest 2015
898
201
2111
Plato
University academic school olympiad in informatics 2019
1517
65
2112
Battle log
University academic school olympiad in informatics 2019
147
633
2113
Survive the flood
University academic school olympiad in informatics 2019
269
356
2114
My craft
University academic school olympiad in informatics 2019
115
795
2115
The Knowledge Day
University academic school olympiad in informatics 2019
544
179
2116
He is not a knight for you
University academic school olympiad in informatics 2019
130
710
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
178
529
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
856
101
2139
Experiment with Juice
Ural School Programming Contest 2019
11
4157
2140
BitMazeCraft
Ural School Programming Contest 2019
86
909
2141
Sasha Vilkin
Ural School Programming Contest 2019
406
210
2142
Magic
Ural School Programming Contest 2019
731
118
2143
Victoria!
Ural School Programming Contest 2019
137
594
2144
Cleaning the Room
Ural School Programming Contest 2019
360
236
2145
Olympiad for Everyone
Ural School Programming Contest 2019
273
308
2146
Quiz Show
Ural School Programming Contest 2019
150
546
2147
City Building
Ural School Programming Contest 2019
45
1587
2148
Insane Shot
Ural School Programming Contest 2019
175
472
2149
Pigeonhole Principle
Ural School Programming Contest 2019
652
132
2150
4B and Zoo
Ural School Programming Contest 2020
47
1041
2151
Mahjong
Ural School Programming Contest 2020
79
667
2152
Tax Fees
Ural School Programming Contest 2020
61
835
2153
Perfect Squad
Ural School Programming Contest 2020
71
732
2154
Flight on a Cannonball
Ural School Programming Contest 2020
18
2118
2155
Quadrocopter
Ural School Programming Contest 2020
58
872
2156
Interesting Conversations
Ural School Programming Contest 2020
110
494
2157
Skydiving
Ural School Programming Contest 2020
43
1119
Solved problems:
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