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
15553
99
1021
Sacrament of the Sum
Autumn School Contest 2000
10503
147
1022
Genealogical Tree
Autumn School Contest 2000
10920
141
1023
Buttons
Autumn School Contest 2000
7166
215
1024
Permutations
Autumn School Contest 2000
4843
318
1025
Democracy in Danger
Autumn School Contest 2000
23101
67
1026
Questions and Answers
Autumn School Contest 2000
9851
156
1027
D++ Again
Autumn School Contest 2000
2438
630
1082
Gaby Ivanushka
Spring School Contest 2001
10856
125
1083
Factorials!!!
Spring School Contest 2001
20053
67
1084
Goat in the Garden
Spring School Contest 2001
9052
149
1085
Meeting
Spring School Contest 2001
2169
621
1086
Cryptography
Spring School Contest 2001
12796
106
1087
The Time to Take Stones
Spring School Contest 2001
4936
274
1088
Ilya Murometz
Spring School Contest 2001
1815
742
1089
Verification with the Dictionary
Spring School Contest 2001
1607
837
1116
Piecewise Constant Function
Autumn School Contest 2001
1498
330
1117
Hierarchy
Autumn School Contest 2001
1780
278
1118
Nontrivial Numbers
Autumn School Contest 2001
4829
103
1119
Metro
Autumn School Contest 2001
7033
71
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5719
87
1121
Branches
Autumn School Contest 2001
1415
349
1122
Game
Autumn School Contest 2001
1995
248
1123
Salary
Autumn School Contest 2001
4096
121
1190
Bar of Chocolate
Spring School Contest 2002
1609
309
1191
Catch the thief!
Spring School Contest 2002
2017
247
1192
Ball in a Dream
Spring School Contest 2002
4593
109
1193
Queue at the Exam
Spring School Contest 2002
2756
181
1194
Handshakes
Spring School Contest 2002
6055
82
1195
Ouths and Crosses
Spring School Contest 2002
1925
258
1196
History Exam
Spring School Contest 2002
9409
53
1197
Lonesome Knight
Spring School Contest 2002
17994
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14702
34
1210
Kind Spirits
Autumn School Contest 2002
3074
163
1211
Collective Guarantee
Autumn School Contest 2002
1618
310
1212
Battleship
Autumn School Contest 2002
1018
490
1213
Cockroaches!
Autumn School Contest 2002
2959
170
1214
Strange Procedure
Autumn School Contest 2002
4954
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1671
300
1257
Hyphenation
Autumn School Contest 2003
282
1747
1258
Pool
Autumn School Contest 2003
1214
417
1259
How to Become Star?
Autumn School Contest 2003
1287
393
1260
Nudnik Photographer
Autumn School Contest 2003
4608
110
1261
Tips
Autumn School Contest 2003
1545
328
1262
Pseudo-Roman Number
Autumn School Contest 2003
1302
389
1263
Elections
Autumn School Contest 2003
11973
43
1264
Workdays
Autumn School Contest 2003
24220
21
1290
Sabotage
Spring School Contest 2004
6416
80
1291
Gear-wheels
Spring School Contest 2004
1324
384
1292
Mars Space Stations
Spring School Contest 2004
1343
379
1293
Eniya
Spring School Contest 2004
35282
15
1294
Mars Satellites
Spring School Contest 2004
1622
314
1295
Crazy Notions
Spring School Contest 2004
3396
150
1296
Hyperjump
Spring School Contest 2004
8005
64
1297
Palindrome
Spring School Contest 2004
6255
82
1298
Knight
Spring School Contest 2004
2193
233
1299
Psylonians
Spring School Contest 2004
323
1539
1327
Fuses
Autumn School Contest 2004
11044
47
1328
Fireball
Autumn School Contest 2004
357
1405
1329
Galactic History
Autumn School Contest 2004
1106
462
1330
Intervals
Autumn School Contest 2004
5381
96
1331
Vladislava
Autumn School Contest 2004
506
999
1332
Genie Bomber
Autumn School Contest 2004
819
622
1333
Genie Bomber 2
Autumn School Contest 2004
2373
216
1334
Checkers
Autumn School Contest 2004
946
539
1335
White Thesis
Autumn School Contest 2004
2840
181
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4231
122
1337
Bureaucracy
Autumn School Contest 2004
321
1558
1347
Blog
Spring School Contest 2005
368
1370
1348
Goat in the Garden 2
Spring School Contest 2005
2835
182
1349
Farm
Spring School Contest 2005
10229
51
1350
Canteen
Spring School Contest 2005
1305
394
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
979
523
1352
Mersenne Primes
Spring School Contest 2005
3953
131
1353
Milliard Vasya's Function
Spring School Contest 2005
5008
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3740
138
1355
Bald Spot Revisited
Spring School Contest 2005
2448
211
1356
Something Easier
Spring School Contest 2005
1742
296
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
426
1187
1358
Cables
Spring School Contest 2005
947
541
1359
Construction
Spring School Contest 2005
437
1158
1400
Cellular Characters
Autumn School Contest 2005
938
548
1401
Gamers
Autumn School Contest 2005
2987
173
1402
Cocktails
Autumn School Contest 2005
4015
129
1403
Courier
Autumn School Contest 2005
1474
350
1404
Easy to Hack!
Autumn School Contest 2005
6462
80
1405
Goat in the Garden 5
Autumn School Contest 2005
716
716
1406
Next Number
Autumn School Contest 2005
1499
344
1407
One-two, One-two
Autumn School Contest 2005
1341
385
1408
Polynomial Multiplication
Autumn School Contest 2005
423
1200
1409
Two Gangsters
Autumn School Contest 2005
33823
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1237
387
1490
Fire Circle
Autumn School Contest 2006
2454
196
1491
Unreal Story
Autumn School Contest 2006
2310
208
1492
Vasya's Dad 2
Autumn School Contest 2006
231
2003
1493
One Step from Happiness
Autumn School Contest 2006
10242
47
1494
Monobilliards
Autumn School Contest 2006
5047
95
1495
One-two, One-two 2
Autumn School Contest 2006
1415
339
1496
Spammer
Autumn School Contest 2006
9885
49
1497
Cutting a Square
Autumn School Contest 2006
1603
299
1498
Stroke at Full Speed
Autumn School Contest 2006
535
886
1499
Kerchiefs
Autumn School Contest 2006
317
1477
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3071
146
1573
Alchemy
Autumn School Contest 2007
4187
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1258
354
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
511
861
1576
Telephone Tariffs
Autumn School Contest 2007
3053
146
1577
E-mail
Autumn School Contest 2007
937
474
1578
Mammoth Hunt
Autumn School Contest 2007
502
876
1579
Coat Transportation
Autumn School Contest 2007
895
496
1580
Dean's Debts
Autumn School Contest 2007
493
892
1581
Teamwork
Autumn School Contest 2007
11128
40
1639
Chocolate 2
Autumn School Contest 2008
12932
32
1640
Circle of Winter
Autumn School Contest 2008
2373
174
1641
Duties
Autumn School Contest 2008
819
501
1642
1D Maze
Autumn School Contest 2008
4333
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
970
424
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4181
99
1645
Ski Race
Autumn School Contest 2008
2086
198
1646
Godzilla Strikes Back!
Autumn School Contest 2008
457
889
1647
Divide an Island!
Autumn School Contest 2008
488
834
1648
Yachts
Autumn School Contest 2008
1083
380
1722
Observation Deck
Ural Regional School Programming Contest 2009
279
1333
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6243
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
578
655
1725
Sold Out!
Ural Regional School Programming Contest 2009
2767
139
1726
Visits
Ural Regional School Programming Contest 2009
2979
129
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1942
197
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
726
523
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
607
624
1730
ManBearPig
Ural Regional School Programming Contest 2009
331
1130
1731
Dill
Ural Regional School Programming Contest 2009
3729
103
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22133
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3318
107
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14405
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2249
158
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1653
214
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
252
1359
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
236
1448
1792
Hamming Code
Ural Regional School Programming Contest 2010
4341
82
1793
Tray 2
Ural Regional School Programming Contest 2010
901
391
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1812
195
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1434
247
1796
Amusement Park
Ural Regional School Programming Contest 2010
3304
107
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
911
356
1874
Football Goal
Ural Regional School Programming Contest 2011
1692
193
1875
Angry Birds
Ural Regional School Programming Contest 2011
331
961
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6104
54
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17296
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1549
210
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
216
1451
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
10894
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5439
60
1882
Old Nokia
Ural Regional School Programming Contest 2011
110
2732
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
264
1197
1884
Way to the University
Ural Regional School Programming Contest 2011
491
654
1921
Chaos and Order
Ural Regional School Programming Contest 2012
236
1222
1922
Superhero Team
Ural Regional School Programming Contest 2012
964
309
1923
Scary Politics
Ural Regional School Programming Contest 2012
550
537
1924
Four Imps
Ural Regional School Programming Contest 2012
7954
38
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4442
68
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
290
1002
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
271
1070
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
385
761
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
788
377
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1803
166
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1790
152
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
12799
21
2002
Test Task
Ural Regional School Programming Contest 2013
3966
69
2003
Simple Magic
Ural Regional School Programming Contest 2013
769
352
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
358
745
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3024
90
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
59
3971
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
133
1916
2008
Swifty
Ural Regional School Programming Contest 2013
248
1062
2009
Canteen Line
Ural Regional School Programming Contest 2013
320
830
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2122
129
2011
Long Statement
Ural Regional School Programming Contest 2013
2749
99
2024
Adventure Time
Ural Regional School Programming Contest 2014
755
327
2025
Line Fighting
Ural Regional School Programming Contest 2014
4188
60
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
421
580
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
466
526
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
286
845
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
409
597
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
492
498
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
2985
84
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
315
770
2033
Devices
Ural Regional School Programming Contest 2014
2491
100
2034
Caravans
Ural Regional School Programming Contest 2014
854
290
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3359
74
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
796
281
2063
Black and White
Ural Regional School Programming Contest 2015
531
419
2064
Caterpillars
Ural Regional School Programming Contest 2015
231
940
2065
Different Sums
Ural Regional School Programming Contest 2015
743
301
2066
Simple Expression
Ural Regional School Programming Contest 2015
8281
27
2067
Friends and Berries
Ural Regional School Programming Contest 2015
715
313
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2191
103
2069
Hard Rock
Ural Regional School Programming Contest 2015
1054
213
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
996
225
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
351
628
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1120
201
2073
Log Files
Ural Regional School Programming Contest 2015
987
227
2111
Plato
University academic school olympiad in informatics 2019
2137
69
2112
Battle log
University academic school olympiad in informatics 2019
184
762
2113
Survive the flood
University academic school olympiad in informatics 2019
352
408
2114
My craft
University academic school olympiad in informatics 2019
143
966
2115
The Knowledge Day
University academic school olympiad in informatics 2019
691
211
2116
He is not a knight for you
University academic school olympiad in informatics 2019
166
840
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
269
530
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1287
105
2139
Experiment with Juice
Ural School Programming Contest 2019
22
4259
2140
BitMazeCraft
Ural School Programming Contest 2019
110
1136
2141
Sasha Vilkin
Ural School Programming Contest 2019
547
245
2142
Magic
Ural School Programming Contest 2019
1129
120
2143
Victoria!
Ural School Programming Contest 2019
202
643
2144
Cleaning the Room
Ural School Programming Contest 2019
592
226
2145
Olympiad for Everyone
Ural School Programming Contest 2019
363
365
2146
Quiz Show
Ural School Programming Contest 2019
204
637
2147
City Building
Ural School Programming Contest 2019
66
1793
2148
Insane Shot
Ural School Programming Contest 2019
276
477
2149
Pigeonhole Principle
Ural School Programming Contest 2019
946
143
2150
4B and Zoo
Ural School Programming Contest 2020
91
1087
2151
Mahjong
Ural School Programming Contest 2020
113
893
2152
Tax Fees
Ural School Programming Contest 2020
91
1087
2153
Perfect Squad
Ural School Programming Contest 2020
109
923
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2336
2155
Quadrocopter
Ural School Programming Contest 2020
101
989
2156
Interesting Conversations
Ural School Programming Contest 2020
166
624
2157
Skydiving
Ural School Programming Contest 2020
76
1277
2158
Two progressions
Ural School Programming Contest 2021
26
1663
2159
Essay
Ural School Programming Contest 2021
34
1363
2160
Meta-statement
Ural School Programming Contest 2021
42
1154
2161
Mount & Blade
Ural School Programming Contest 2021
74
714
2162
Graphmania
Ural School Programming Contest 2021
43
1130
2163
Interview
Ural School Programming Contest 2021
34
1361
2164
Bookmaker
Ural School Programming Contest 2021
26
1666
2165
Cake Cutter
Ural School Programming Contest 2021
24
1763
2166
Two Roads
Ural School Programming Contest 2022
18
2140
2167
Cipher Message 5
Ural School Programming Contest 2022
118
468
2168
Runes in the Field
Ural School Programming Contest 2022
10
2995
2169
City Building 2
Ural School Programming Contest 2022
18
2140
2170
Experiment with Juice 2
Ural School Programming Contest 2022
27
1619
2171
Two Progressions 2
Ural School Programming Contest 2022
33
1393
2172
Meta-statement 2
Ural School Programming Contest 2022
77
689
2173
Meta-statement 3
Ural School Programming Contest 2022
68
769
2174
Dualism of Numbers
Ural School Programming Contest 2023
15
1263
2175
Staircase
Ural School Programming Contest 2023
11
1503
2176
Wonderful Numbers
Ural School Programming Contest 2023
13
1374
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
5
2105
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
5
2103
2179
Need More Roads
Ural School Programming Contest 2023
5
2101
2180
Need More Tasks
Ural School Programming Contest 2023
6
1972
2181
Student, or There and Back Again
Ural School Programming Contest 2023
7
1850
2182
Broken Rum
Ural School Programming Contest 2024
22
987
2183
Good Mood
Ural School Programming Contest 2024
19
1089
2184
Flint's Favorite Number
Ural School Programming Contest 2024
7
1856
2185
Journey to the Treasure
Ural School Programming Contest 2024
4
2246
2186
Hands Up!
Ural School Programming Contest 2024
3
2419
2187
Need More Gold
Ural School Programming Contest 2024
4
2253
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
4
2254
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
10
1578
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
© 2000–2025
Timus Online Judge Team
. All rights reserved.