ENG
RUS
Timus Online Judge
Online Judge
Problems
Authors
Online contests
About Online Judge
Frequently asked questions
Site news
Webboard
Links
Problem set
Submit solution
Judge status
Guide
Register
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules
Problem set. School Contests
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
ID
Title
Source
Authors
Difficulty
1020
Rope
Autumn School Contest 2000
15643
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10539
148
1022
Genealogical Tree
Autumn School Contest 2000
10998
141
1023
Buttons
Autumn School Contest 2000
7205
216
1024
Permutations
Autumn School Contest 2000
4867
319
1025
Democracy in Danger
Autumn School Contest 2000
23245
67
1026
Questions and Answers
Autumn School Contest 2000
9888
157
1027
D++ Again
Autumn School Contest 2000
2445
634
1082
Gaby Ivanushka
Spring School Contest 2001
10887
126
1083
Factorials!!!
Spring School Contest 2001
20168
68
1084
Goat in the Garden
Spring School Contest 2001
9141
149
1085
Meeting
Spring School Contest 2001
2178
625
1086
Cryptography
Spring School Contest 2001
12864
106
1087
The Time to Take Stones
Spring School Contest 2001
4952
276
1088
Ilya Murometz
Spring School Contest 2001
1824
746
1089
Verification with the Dictionary
Spring School Contest 2001
1621
839
1116
Piecewise Constant Function
Autumn School Contest 2001
1509
331
1117
Hierarchy
Autumn School Contest 2001
1797
278
1118
Nontrivial Numbers
Autumn School Contest 2001
4855
103
1119
Metro
Autumn School Contest 2001
7181
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5745
87
1121
Branches
Autumn School Contest 2001
1422
351
1122
Game
Autumn School Contest 2001
2006
249
1123
Salary
Autumn School Contest 2001
4118
122
1190
Bar of Chocolate
Spring School Contest 2002
1617
310
1191
Catch the thief!
Spring School Contest 2002
2025
248
1192
Ball in a Dream
Spring School Contest 2002
4616
109
1193
Queue at the Exam
Spring School Contest 2002
2766
182
1194
Handshakes
Spring School Contest 2002
6075
83
1195
Ouths and Crosses
Spring School Contest 2002
1938
259
1196
History Exam
Spring School Contest 2002
9476
53
1197
Lonesome Knight
Spring School Contest 2002
18162
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14832
34
1210
Kind Spirits
Autumn School Contest 2002
3105
163
1211
Collective Guarantee
Autumn School Contest 2002
1627
311
1212
Battleship
Autumn School Contest 2002
1025
492
1213
Cockroaches!
Autumn School Contest 2002
2973
171
1214
Strange Procedure
Autumn School Contest 2002
4974
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1679
301
1257
Hyphenation
Autumn School Contest 2003
282
1763
1258
Pool
Autumn School Contest 2003
1227
416
1259
How to Become Star?
Autumn School Contest 2003
1293
395
1260
Nudnik Photographer
Autumn School Contest 2003
4630
111
1261
Tips
Autumn School Contest 2003
1553
329
1262
Pseudo-Roman Number
Autumn School Contest 2003
1309
390
1263
Elections
Autumn School Contest 2003
12099
43
1264
Workdays
Autumn School Contest 2003
24508
21
1290
Sabotage
Spring School Contest 2004
6445
80
1291
Gear-wheels
Spring School Contest 2004
1334
385
1292
Mars Space Stations
Spring School Contest 2004
1350
380
1293
Eniya
Spring School Contest 2004
35669
15
1294
Mars Satellites
Spring School Contest 2004
1630
315
1295
Crazy Notions
Spring School Contest 2004
3414
151
1296
Hyperjump
Spring School Contest 2004
8205
63
1297
Palindrome
Spring School Contest 2004
6291
82
1298
Knight
Spring School Contest 2004
2211
233
1299
Psylonians
Spring School Contest 2004
323
1554
1327
Fuses
Autumn School Contest 2004
11105
47
1328
Fireball
Autumn School Contest 2004
358
1414
1329
Galactic History
Autumn School Contest 2004
1123
459
1330
Intervals
Autumn School Contest 2004
5426
96
1331
Vladislava
Autumn School Contest 2004
512
997
1332
Genie Bomber
Autumn School Contest 2004
828
621
1333
Genie Bomber 2
Autumn School Contest 2004
2384
217
1334
Checkers
Autumn School Contest 2004
954
540
1335
White Thesis
Autumn School Contest 2004
2851
182
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4246
122
1337
Bureaucracy
Autumn School Contest 2004
325
1554
1347
Blog
Spring School Contest 2005
369
1379
1348
Goat in the Garden 2
Spring School Contest 2005
2920
178
1349
Farm
Spring School Contest 2005
10299
51
1350
Canteen
Spring School Contest 2005
1335
388
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
987
524
1352
Mersenne Primes
Spring School Contest 2005
3968
131
1353
Milliard Vasya's Function
Spring School Contest 2005
5051
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3764
138
1355
Bald Spot Revisited
Spring School Contest 2005
2463
211
1356
Something Easier
Spring School Contest 2005
1751
297
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
429
1190
1358
Cables
Spring School Contest 2005
952
543
1359
Construction
Spring School Contest 2005
441
1159
1400
Cellular Characters
Autumn School Contest 2005
943
550
1401
Gamers
Autumn School Contest 2005
3122
167
1402
Cocktails
Autumn School Contest 2005
4035
130
1403
Courier
Autumn School Contest 2005
1487
350
1404
Easy to Hack!
Autumn School Contest 2005
6496
81
1405
Goat in the Garden 5
Autumn School Contest 2005
721
717
1406
Next Number
Autumn School Contest 2005
1507
346
1407
One-two, One-two
Autumn School Contest 2005
1349
386
1408
Polynomial Multiplication
Autumn School Contest 2005
424
1208
1409
Two Gangsters
Autumn School Contest 2005
34249
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1253
386
1490
Fire Circle
Autumn School Contest 2006
2486
196
1491
Unreal Story
Autumn School Contest 2006
2344
207
1492
Vasya's Dad 2
Autumn School Contest 2006
233
2008
1493
One Step from Happiness
Autumn School Contest 2006
10372
47
1494
Monobilliards
Autumn School Contest 2006
5240
93
1495
One-two, One-two 2
Autumn School Contest 2006
1429
339
1496
Spammer
Autumn School Contest 2006
9961
49
1497
Cutting a Square
Autumn School Contest 2006
1612
301
1498
Stroke at Full Speed
Autumn School Contest 2006
538
890
1499
Kerchiefs
Autumn School Contest 2006
319
1483
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3088
147
1573
Alchemy
Autumn School Contest 2007
4211
108
1574
Mathematicians and brackets
Autumn School Contest 2007
1269
355
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
518
860
1576
Telephone Tariffs
Autumn School Contest 2007
3071
147
1577
E-mail
Autumn School Contest 2007
947
474
1578
Mammoth Hunt
Autumn School Contest 2007
504
883
1579
Coat Transportation
Autumn School Contest 2007
903
497
1580
Dean's Debts
Autumn School Contest 2007
496
897
1581
Teamwork
Autumn School Contest 2007
11188
41
1639
Chocolate 2
Autumn School Contest 2008
13017
32
1640
Circle of Winter
Autumn School Contest 2008
2386
176
1641
Duties
Autumn School Contest 2008
824
505
1642
1D Maze
Autumn School Contest 2008
4355
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
978
426
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4209
100
1645
Ski Race
Autumn School Contest 2008
2100
200
1646
Godzilla Strikes Back!
Autumn School Contest 2008
458
900
1647
Divide an Island!
Autumn School Contest 2008
495
834
1648
Yachts
Autumn School Contest 2008
1089
383
1722
Observation Deck
Ural Regional School Programming Contest 2009
280
1349
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6302
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
583
660
1725
Sold Out!
Ural Regional School Programming Contest 2009
2783
140
1726
Visits
Ural Regional School Programming Contest 2009
3125
125
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1956
199
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
736
525
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
612
629
1730
ManBearPig
Ural Regional School Programming Contest 2009
333
1141
1731
Dill
Ural Regional School Programming Contest 2009
3754
104
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22379
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3335
108
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14576
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2263
160
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1662
217
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
253
1379
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
236
1474
1792
Hamming Code
Ural Regional School Programming Contest 2010
4374
83
1793
Tray 2
Ural Regional School Programming Contest 2010
909
395
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1840
196
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1449
249
1796
Amusement Park
Ural Regional School Programming Contest 2010
3323
109
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
917
361
1874
Football Goal
Ural Regional School Programming Contest 2011
1705
195
1875
Angry Birds
Ural Regional School Programming Contest 2011
334
972
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6173
54
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17559
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1562
213
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
219
1461
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11024
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5470
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
112
2742
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
266
1212
1884
Way to the University
Ural Regional School Programming Contest 2011
494
664
1921
Chaos and Order
Ural Regional School Programming Contest 2012
237
1245
1922
Superhero Team
Ural Regional School Programming Contest 2012
972
313
1923
Scary Politics
Ural Regional School Programming Contest 2012
556
543
1924
Four Imps
Ural Regional School Programming Contest 2012
8016
38
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4466
69
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
290
1025
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
272
1091
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
388
773
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
811
375
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1846
166
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1801
155
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13073
21
2002
Test Task
Ural Regional School Programming Contest 2013
3998
70
2003
Simple Magic
Ural Regional School Programming Contest 2013
777
357
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
362
756
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3076
91
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
60
4017
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
134
1953
2008
Swifty
Ural Regional School Programming Contest 2013
248
1090
2009
Canteen Line
Ural Regional School Programming Contest 2013
326
837
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2142
131
2011
Long Statement
Ural Regional School Programming Contest 2013
2775
101
2024
Adventure Time
Ural Regional School Programming Contest 2014
763
333
2025
Line Fighting
Ural Regional School Programming Contest 2014
4255
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
429
587
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
475
531
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
289
862
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
416
605
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
498
507
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3007
85
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
322
776
2033
Devices
Ural Regional School Programming Contest 2014
2530
101
2034
Caravans
Ural Regional School Programming Contest 2014
898
284
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3388
76
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
810
286
2063
Black and White
Ural Regional School Programming Contest 2015
545
422
2064
Caterpillars
Ural Regional School Programming Contest 2015
234
960
2065
Different Sums
Ural Regional School Programming Contest 2015
754
307
2066
Simple Expression
Ural Regional School Programming Contest 2015
8475
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
724
319
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2218
105
2069
Hard Rock
Ural Regional School Programming Contest 2015
1066
218
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1014
229
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
356
640
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1139
204
2073
Log Files
Ural Regional School Programming Contest 2015
995
233
2111
Plato
University academic school olympiad in informatics 2019
2191
71
2112
Battle log
University academic school olympiad in informatics 2019
186
797
2113
Survive the flood
University academic school olympiad in informatics 2019
364
418
2114
My craft
University academic school olympiad in informatics 2019
146
1002
2115
The Knowledge Day
University academic school olympiad in informatics 2019
699
220
2116
He is not a knight for you
University academic school olympiad in informatics 2019
175
845
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
281
537
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1325
109
2139
Experiment with Juice
Ural School Programming Contest 2019
22
4527
2140
BitMazeCraft
Ural School Programming Contest 2019
114
1168
2141
Sasha Vilkin
Ural School Programming Contest 2019
571
249
2142
Magic
Ural School Programming Contest 2019
1167
123
2143
Victoria!
Ural School Programming Contest 2019
207
668
2144
Cleaning the Room
Ural School Programming Contest 2019
644
222
2145
Olympiad for Everyone
Ural School Programming Contest 2019
378
373
2146
Quiz Show
Ural School Programming Contest 2019
209
662
2147
City Building
Ural School Programming Contest 2019
66
1906
2148
Insane Shot
Ural School Programming Contest 2019
288
486
2149
Pigeonhole Principle
Ural School Programming Contest 2019
981
146
2150
4B and Zoo
Ural School Programming Contest 2020
94
1141
2151
Mahjong
Ural School Programming Contest 2020
116
942
2152
Tax Fees
Ural School Programming Contest 2020
95
1130
2153
Perfect Squad
Ural School Programming Contest 2020
113
965
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2525
2155
Quadrocopter
Ural School Programming Contest 2020
105
1032
2156
Interesting Conversations
Ural School Programming Contest 2020
177
635
2157
Skydiving
Ural School Programming Contest 2020
83
1276
2158
Two progressions
Ural School Programming Contest 2021
28
1821
2159
Essay
Ural School Programming Contest 2021
37
1475
2160
Meta-statement
Ural School Programming Contest 2021
48
1195
2161
Mount & Blade
Ural School Programming Contest 2021
81
762
2162
Graphmania
Ural School Programming Contest 2021
53
1099
2163
Interview
Ural School Programming Contest 2021
43
1306
2164
Bookmaker
Ural School Programming Contest 2021
29
1777
2165
Cake Cutter
Ural School Programming Contest 2021
27
1872
2166
Two Roads
Ural School Programming Contest 2022
19
2388
2167
Cipher Message 5
Ural School Programming Contest 2022
130
495
2168
Runes in the Field
Ural School Programming Contest 2022
10
3462
2169
City Building 2
Ural School Programming Contest 2022
23
2098
2170
Experiment with Juice 2
Ural School Programming Contest 2022
33
1610
2171
Two Progressions 2
Ural School Programming Contest 2022
37
1473
2172
Meta-statement 2
Ural School Programming Contest 2022
88
707
2173
Meta-statement 3
Ural School Programming Contest 2022
77
796
2174
Dualism of Numbers
Ural School Programming Contest 2023
38
858
2175
Staircase
Ural School Programming Contest 2023
22
1287
2176
Wonderful Numbers
Ural School Programming Contest 2023
29
1057
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
9
2168
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
8
2287
2179
Need More Roads
Ural School Programming Contest 2023
7
2420
2180
Need More Tasks
Ural School Programming Contest 2023
14
1715
2181
Student, or There and Back Again
Ural School Programming Contest 2023
12
1867
2182
Broken Rum
Ural School Programming Contest 2024
46
735
2183
Good Mood
Ural School Programming Contest 2024
46
735
2184
Flint's Favorite Number
Ural School Programming Contest 2024
17
1525
2185
Journey to the Treasure
Ural School Programming Contest 2024
5
2738
2186
Hands Up!
Ural School Programming Contest 2024
6
2566
2187
Need More Gold
Ural School Programming Contest 2024
13
1789
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
7
2422
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
28
1084
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
© 2000–2025
Timus Online Judge Team
. All rights reserved.