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
15716
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10560
148
1022
Genealogical Tree
Autumn School Contest 2000
11034
142
1023
Buttons
Autumn School Contest 2000
7214
217
1024
Permutations
Autumn School Contest 2000
4874
320
1025
Democracy in Danger
Autumn School Contest 2000
23372
67
1026
Questions and Answers
Autumn School Contest 2000
10038
156
1027
D++ Again
Autumn School Contest 2000
2448
637
1082
Gaby Ivanushka
Spring School Contest 2001
10903
126
1083
Factorials!!!
Spring School Contest 2001
20212
68
1084
Goat in the Garden
Spring School Contest 2001
9155
150
1085
Meeting
Spring School Contest 2001
2182
627
1086
Cryptography
Spring School Contest 2001
12923
106
1087
The Time to Take Stones
Spring School Contest 2001
4957
277
1088
Ilya Murometz
Spring School Contest 2001
1825
749
1089
Verification with the Dictionary
Spring School Contest 2001
1626
840
1116
Piecewise Constant Function
Autumn School Contest 2001
1511
332
1117
Hierarchy
Autumn School Contest 2001
1799
279
1118
Nontrivial Numbers
Autumn School Contest 2001
4867
103
1119
Metro
Autumn School Contest 2001
7212
70
1120
Sum of Sequential Numbers
Autumn School Contest 2001
5828
86
1121
Branches
Autumn School Contest 2001
1424
352
1122
Game
Autumn School Contest 2001
2008
250
1123
Salary
Autumn School Contest 2001
4124
122
1190
Bar of Chocolate
Spring School Contest 2002
1477
341
1191
Catch the thief!
Spring School Contest 2002
2029
249
1192
Ball in a Dream
Spring School Contest 2002
4621
110
1193
Queue at the Exam
Spring School Contest 2002
2786
181
1194
Handshakes
Spring School Contest 2002
6083
83
1195
Ouths and Crosses
Spring School Contest 2002
1941
260
1196
History Exam
Spring School Contest 2002
9634
53
1197
Lonesome Knight
Spring School Contest 2002
18283
28
1209
1, 10, 100, 1000...
Autumn School Contest 2002
14955
34
1210
Kind Spirits
Autumn School Contest 2002
2998
170
1211
Collective Guarantee
Autumn School Contest 2002
1630
312
1212
Battleship
Autumn School Contest 2002
1027
493
1213
Cockroaches!
Autumn School Contest 2002
2979
171
1214
Strange Procedure
Autumn School Contest 2002
4984
102
1215
Exactness of Projectile Hit
Autumn School Contest 2002
1691
301
1257
Hyphenation
Autumn School Contest 2003
283
1765
1258
Pool
Autumn School Contest 2003
1228
418
1259
How to Become Star?
Autumn School Contest 2003
1294
397
1260
Nudnik Photographer
Autumn School Contest 2003
4641
111
1261
Tips
Autumn School Contest 2003
1556
330
1262
Pseudo-Roman Number
Autumn School Contest 2003
1310
392
1263
Elections
Autumn School Contest 2003
12155
43
1264
Workdays
Autumn School Contest 2003
24661
21
1290
Sabotage
Spring School Contest 2004
6470
80
1291
Gear-wheels
Spring School Contest 2004
1340
385
1292
Mars Space Stations
Spring School Contest 2004
1352
382
1293
Eniya
Spring School Contest 2004
35862
14
1294
Mars Satellites
Spring School Contest 2004
1630
317
1295
Crazy Notions
Spring School Contest 2004
3422
151
1296
Hyperjump
Spring School Contest 2004
8304
63
1297
Palindrome
Spring School Contest 2004
6316
82
1298
Knight
Spring School Contest 2004
2224
233
1299
Psylonians
Spring School Contest 2004
324
1556
1327
Fuses
Autumn School Contest 2004
11130
47
1328
Fireball
Autumn School Contest 2004
360
1413
1329
Galactic History
Autumn School Contest 2004
1126
460
1330
Intervals
Autumn School Contest 2004
5454
96
1331
Vladislava
Autumn School Contest 2004
515
996
1332
Genie Bomber
Autumn School Contest 2004
832
621
1333
Genie Bomber 2
Autumn School Contest 2004
2389
218
1334
Checkers
Autumn School Contest 2004
958
540
1335
White Thesis
Autumn School Contest 2004
2854
183
1336
Problem of Ben Betsalel
Autumn School Contest 2004
4250
123
1337
Bureaucracy
Autumn School Contest 2004
328
1547
1347
Blog
Spring School Contest 2005
372
1374
1348
Goat in the Garden 2
Spring School Contest 2005
2926
179
1349
Farm
Spring School Contest 2005
10326
51
1350
Canteen
Spring School Contest 2005
1336
390
1351
Good Gnusmas – Dead Gnusmas
Spring School Contest 2005
989
525
1352
Mersenne Primes
Spring School Contest 2005
3971
132
1353
Milliard Vasya's Function
Spring School Contest 2005
5075
103
1354
Palindrome. Again Palindrome
Spring School Contest 2005
3773
139
1355
Bald Spot Revisited
Spring School Contest 2005
2468
212
1356
Something Easier
Spring School Contest 2005
1752
298
1357
Teakettle 1.0 for Dummies
Spring School Contest 2005
430
1193
1358
Cables
Spring School Contest 2005
957
543
1359
Construction
Spring School Contest 2005
441
1164
1400
Cellular Characters
Autumn School Contest 2005
950
548
1401
Gamers
Autumn School Contest 2005
3124
168
1402
Cocktails
Autumn School Contest 2005
4037
130
1403
Courier
Autumn School Contest 2005
1489
351
1404
Easy to Hack!
Autumn School Contest 2005
6601
80
1405
Goat in the Garden 5
Autumn School Contest 2005
725
716
1406
Next Number
Autumn School Contest 2005
1508
347
1407
One-two, One-two
Autumn School Contest 2005
1351
387
1408
Polynomial Multiplication
Autumn School Contest 2005
425
1210
1409
Two Gangsters
Autumn School Contest 2005
34466
15
1489
Points on a Parallelepiped
Autumn School Contest 2006
1254
388
1490
Fire Circle
Autumn School Contest 2006
2494
196
1491
Unreal Story
Autumn School Contest 2006
2378
205
1492
Vasya's Dad 2
Autumn School Contest 2006
233
2018
1493
One Step from Happiness
Autumn School Contest 2006
10407
47
1494
Monobilliards
Autumn School Contest 2006
5244
93
1495
One-two, One-two 2
Autumn School Contest 2006
1430
341
1496
Spammer
Autumn School Contest 2006
10010
49
1497
Cutting a Square
Autumn School Contest 2006
1614
302
1498
Stroke at Full Speed
Autumn School Contest 2006
538
895
1499
Kerchiefs
Autumn School Contest 2006
322
1477
1572
Yekaterinozavodsk Great Well
Autumn School Contest 2007
3109
146
1573
Alchemy
Autumn School Contest 2007
4245
107
1574
Mathematicians and brackets
Autumn School Contest 2007
1270
357
1575
Yekaterinburg Subway 2
Autumn School Contest 2007
520
862
1576
Telephone Tariffs
Autumn School Contest 2007
3109
146
1577
E-mail
Autumn School Contest 2007
951
475
1578
Mammoth Hunt
Autumn School Contest 2007
506
885
1579
Coat Transportation
Autumn School Contest 2007
907
498
1580
Dean's Debts
Autumn School Contest 2007
497
901
1581
Teamwork
Autumn School Contest 2007
11323
40
1639
Chocolate 2
Autumn School Contest 2008
13115
32
1640
Circle of Winter
Autumn School Contest 2008
2388
177
1641
Duties
Autumn School Contest 2008
827
506
1642
1D Maze
Autumn School Contest 2008
4412
96
1643
Attack of the Dark Fortress
Autumn School Contest 2008
983
427
1644
A Whole Lot of Walnuts
Autumn School Contest 2008
4222
100
1645
Ski Race
Autumn School Contest 2008
2104
200
1646
Godzilla Strikes Back!
Autumn School Contest 2008
458
905
1647
Divide an Island!
Autumn School Contest 2008
497
836
1648
Yachts
Autumn School Contest 2008
1090
385
1722
Observation Deck
Ural Regional School Programming Contest 2009
281
1355
1723
Sandro's Book
Ural Regional School Programming Contest 2009
6341
62
1724
Origin of Man Clarified
Ural Regional School Programming Contest 2009
584
664
1725
Sold Out!
Ural Regional School Programming Contest 2009
2791
141
1726
Visits
Ural Regional School Programming Contest 2009
3127
126
1727
Znaika's Magic Numbers
Ural Regional School Programming Contest 2009
1962
200
1728
Curse on Team.GOV
Ural Regional School Programming Contest 2009
737
528
1729
Dead Man's Chest
Ural Regional School Programming Contest 2009
616
630
1730
ManBearPig
Ural Regional School Programming Contest 2009
334
1146
1731
Dill
Ural Regional School Programming Contest 2009
3759
105
1785
Lost in Localization
Ural Regional School Programming Contest 2010
22533
16
1786
Sandro's Biography
Ural Regional School Programming Contest 2010
3341
109
1787
Turn for MEGA
Ural Regional School Programming Contest 2010
14775
25
1788
On the Benefits of Umbrellas
Ural Regional School Programming Contest 2010
2265
161
1789
Searching for the Dodecahedron
Ural Regional School Programming Contest 2010
1665
218
1790
Searching for the Truth
Ural Regional School Programming Contest 2010
255
1380
1791
Uncle Styopa and Buses
Ural Regional School Programming Contest 2010
238
1474
1792
Hamming Code
Ural Regional School Programming Contest 2010
4384
83
1793
Tray 2
Ural Regional School Programming Contest 2010
910
397
1794
Masterpieces of World Architecture
Ural Regional School Programming Contest 2010
1846
197
1795
Husband in a Shop
Ural Regional School Programming Contest 2010
1450
250
1796
Amusement Park
Ural Regional School Programming Contest 2010
3328
110
1873
GOV Chronicles
Ural Regional School Programming Contest 2011
917
364
1874
Football Goal
Ural Regional School Programming Contest 2011
1707
197
1875
Angry Birds
Ural Regional School Programming Contest 2011
338
970
1876
Centipede's Morning
Ural Regional School Programming Contest 2011
6191
54
1877
Bicycle Codes
Ural Regional School Programming Contest 2011
17721
19
1878
Rubinchik's Cube
Ural Regional School Programming Contest 2011
1563
215
1879
GOV-internship 2
Ural Regional School Programming Contest 2011
220
1468
1880
Psych Up's Eigenvalues
Ural Regional School Programming Contest 2011
11214
30
1881
Long problem statement
Ural Regional School Programming Contest 2011
5524
61
1882
Old Nokia
Ural Regional School Programming Contest 2011
114
2723
1883
Ent's Birthday
Ural Regional School Programming Contest 2011
267
1219
1884
Way to the University
Ural Regional School Programming Contest 2011
495
669
1921
Chaos and Order
Ural Regional School Programming Contest 2012
237
1259
1922
Superhero Team
Ural Regional School Programming Contest 2012
972
317
1923
Scary Politics
Ural Regional School Programming Contest 2012
558
547
1924
Four Imps
Ural Regional School Programming Contest 2012
8095
38
1925
British Scientists Save the World
Ural Regional School Programming Contest 2012
4492
69
1926
The Tournament of Intelligences
Ural Regional School Programming Contest 2012
291
1033
1927
Herbs and Magic
Ural Regional School Programming Contest 2012
274
1095
1928
Another Ecology Problem
Ural Regional School Programming Contest 2012
388
781
1929
Teddybears are not for Everyone
Ural Regional School Programming Contest 2012
811
379
1930
Ivan's Car
Ural Regional School Programming Contest 2012
1864
166
2000
Grand Theft Array V
Ural Regional School Programming Contest 2013
1802
157
2001
Mathematicians and Berries
Ural Regional School Programming Contest 2013
13218
22
2002
Test Task
Ural Regional School Programming Contest 2013
4014
71
2003
Simple Magic
Ural Regional School Programming Contest 2013
778
361
2004
Scientists from Spilkovo
Ural Regional School Programming Contest 2013
364
761
2005
Taxi for Programmers
Ural Regional School Programming Contest 2013
3080
92
2006
Kirill the Gardener
Ural Regional School Programming Contest 2013
61
4009
2007
Mutants versus Machines
Ural Regional School Programming Contest 2013
135
1963
2008
Swifty
Ural Regional School Programming Contest 2013
250
1095
2009
Canteen Line
Ural Regional School Programming Contest 2013
326
847
2010
Sasha the Young Grandmaster
Ural Regional School Programming Contest 2013
2146
132
2011
Long Statement
Ural Regional School Programming Contest 2013
2783
102
2024
Adventure Time
Ural Regional School Programming Contest 2014
765
337
2025
Line Fighting
Ural Regional School Programming Contest 2014
4266
61
2026
Dean and Schedule
Ural Regional School Programming Contest 2014
430
594
2027
URCAPL, Episode 1
Ural Regional School Programming Contest 2014
477
536
2028
URCAPL, Episode 2
Ural Regional School Programming Contest 2014
289
873
2029
Towers of Hanoi Strike Back
Ural Regional School Programming Contest 2014
419
609
2030
Awesome Backup System
Ural Regional School Programming Contest 2014
500
512
2031
Overturned Numbers
Ural Regional School Programming Contest 2014
3017
86
2032
Conspiracy Theory and Rebranding
Ural Regional School Programming Contest 2014
322
787
2033
Devices
Ural Regional School Programming Contest 2014
2553
102
2034
Caravans
Ural Regional School Programming Contest 2014
903
286
2035
Another Dress Rehearsal
Ural Regional School Programming Contest 2014
3413
76
2062
Ambitious Experiment
Ural Regional School Programming Contest 2015
811
290
2063
Black and White
Ural Regional School Programming Contest 2015
552
423
2064
Caterpillars
Ural Regional School Programming Contest 2015
234
975
2065
Different Sums
Ural Regional School Programming Contest 2015
755
311
2066
Simple Expression
Ural Regional School Programming Contest 2015
8628
28
2067
Friends and Berries
Ural Regional School Programming Contest 2015
727
323
2068
Game of Nuts
Ural Regional School Programming Contest 2015
2224
107
2069
Hard Rock
Ural Regional School Programming Contest 2015
1066
221
2070
Interesting Numbers
Ural Regional School Programming Contest 2015
1015
232
2071
Juice Cocktails
Ural Regional School Programming Contest 2015
358
647
2072
Kirill the Gardener 3
Ural Regional School Programming Contest 2015
1146
206
2073
Log Files
Ural Regional School Programming Contest 2015
996
237
2111
Plato
University academic school olympiad in informatics 2019
2223
72
2112
Battle log
University academic school olympiad in informatics 2019
187
814
2113
Survive the flood
University academic school olympiad in informatics 2019
366
426
2114
My craft
University academic school olympiad in informatics 2019
148
1014
2115
The Knowledge Day
University academic school olympiad in informatics 2019
702
225
2116
He is not a knight for you
University academic school olympiad in informatics 2019
176
862
2117
Polyphemus' triples
University academic school olympiad in informatics 2019
286
541
2138
The Good, the Bad and the Ugly
Ural School Programming Contest 2019
1337
111
2139
Experiment with Juice
Ural School Programming Contest 2019
22
4655
2140
BitMazeCraft
Ural School Programming Contest 2019
114
1201
2141
Sasha Vilkin
Ural School Programming Contest 2019
581
252
2142
Magic
Ural School Programming Contest 2019
1181
125
2143
Victoria!
Ural School Programming Contest 2019
210
677
2144
Cleaning the Room
Ural School Programming Contest 2019
655
224
2145
Olympiad for Everyone
Ural School Programming Contest 2019
382
380
2146
Quiz Show
Ural School Programming Contest 2019
212
671
2147
City Building
Ural School Programming Contest 2019
67
1935
2148
Insane Shot
Ural School Programming Contest 2019
291
495
2149
Pigeonhole Principle
Ural School Programming Contest 2019
997
148
2150
4B and Zoo
Ural School Programming Contest 2020
95
1170
2151
Mahjong
Ural School Programming Contest 2020
119
953
2152
Tax Fees
Ural School Programming Contest 2020
95
1170
2153
Perfect Squad
Ural School Programming Contest 2020
113
999
2154
Flight on a Cannonball
Ural School Programming Contest 2020
37
2614
2155
Quadrocopter
Ural School Programming Contest 2020
105
1068
2156
Interesting Conversations
Ural School Programming Contest 2020
177
657
2157
Skydiving
Ural School Programming Contest 2020
84
1307
2158
Two progressions
Ural School Programming Contest 2021
28
1938
2159
Essay
Ural School Programming Contest 2021
37
1570
2160
Meta-statement
Ural School Programming Contest 2021
49
1251
2161
Mount & Blade
Ural School Programming Contest 2021
81
811
2162
Graphmania
Ural School Programming Contest 2021
54
1152
2163
Interview
Ural School Programming Contest 2021
46
1316
2164
Bookmaker
Ural School Programming Contest 2021
29
1892
2165
Cake Cutter
Ural School Programming Contest 2021
28
1940
2166
Two Roads
Ural School Programming Contest 2022
22
2303
2167
Cipher Message 5
Ural School Programming Contest 2022
137
502
2168
Runes in the Field
Ural School Programming Contest 2022
10
3685
2169
City Building 2
Ural School Programming Contest 2022
24
2168
2170
Experiment with Juice 2
Ural School Programming Contest 2022
38
1535
2171
Two Progressions 2
Ural School Programming Contest 2022
38
1535
2172
Meta-statement 2
Ural School Programming Contest 2022
92
723
2173
Meta-statement 3
Ural School Programming Contest 2022
77
848
2174
Dualism of Numbers
Ural School Programming Contest 2023
40
916
2175
Staircase
Ural School Programming Contest 2023
24
1346
2176
Wonderful Numbers
Ural School Programming Contest 2023
30
1145
2177
Vadim and Sudoku: XV-Pairs
Ural School Programming Contest 2023
14
1907
2178
Vadim and Sudoku: Renban
Ural School Programming Contest 2023
11
2179
2179
Need More Roads
Ural School Programming Contest 2023
9
2407
2180
Need More Tasks
Ural School Programming Contest 2023
17
1695
2181
Student, or There and Back Again
Ural School Programming Contest 2023
14
1903
2182
Broken Rum
Ural School Programming Contest 2024
53
727
2183
Good Mood
Ural School Programming Contest 2024
53
727
2184
Flint's Favorite Number
Ural School Programming Contest 2024
22
1430
2185
Journey to the Treasure
Ural School Programming Contest 2024
7
2686
2186
Hands Up!
Ural School Programming Contest 2024
7
2685
2187
Need More Gold
Ural School Programming Contest 2024
14
1906
2188
They are charging the cannon... WHY?!
Ural School Programming Contest 2024
9
2409
2189
I Don't Like These Sailors!
Ural School Programming Contest 2024
30
1144
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
© 2000–2026
Timus Online Judge Team
. All rights reserved.