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. Volume 1
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
Volume 2
→
ID
Title
Source
Authors
Difficulty
1000
A+B Problem
105313
16
1001
Reverse Root
33114
14
1002
Phone Numbers
Central European Olympiad in Informatics 1999
6871
224
1003
Parity
Central European Olympiad in Informatics 1999
4002
385
1004
Sightseeing Trip
Central European Olympiad in Informatics 1999
2648
581
1005
Stone Pile
USU Championship 1997
19589
79
1006
Square Frames
USU Championship 1997
1574
974
1007
Code Words
USU Championship 1997
3852
400
1008
Image Encoding
USTU PhysTech Cup 2000
4244
363
1009
K-based Numbers
USU Championship 1997
16386
94
1010
Discrete Function
USTU PhysTech Cup 2000
5322
289
1011
Conductors
USU Championship 1997
6268
246
1012
K-based Numbers. Version 2
8641
178
1013
K-based Numbers. Version 3
1286
194
1014
Product of Digits
USU Local Contest. 1999
16436
94
1015
Test the Difference!
USU Local Contest. 1999
3403
451
1016
Cube on the Walk
USU Local Contest. 1999
1879
814
1017
Staircases
USU Local Contest. 1999
9832
156
1018
Binary Apple Tree
USU Local Contest. 1999
5527
278
1019
Line Painting
USU Local Contest. 1999
3322
462
1020
Rope
Autumn School Contest 2000
15523
99
1021
Sacrament of the Sum
Autumn School Contest 2000
10494
146
1022
Genealogical Tree
Autumn School Contest 2000
10905
141
1023
Buttons
Autumn School Contest 2000
7155
214
1024
Permutations
Autumn School Contest 2000
4836
317
1025
Democracy in Danger
Autumn School Contest 2000
23038
67
1026
Questions and Answers
Autumn School Contest 2000
9840
156
1027
D++ Again
Autumn School Contest 2000
2435
628
1028
Stars
Ural Championship 1999
5797
264
1029
Ministry
Ural Championship 1999
3784
351
1030
Titanic
Ural Championship 1999
1716
888
1031
Railway Tickets
Ural Championship 1999
3973
385
1032
Find a Multiple
Ural Championship 1999
4446
299
1033
Labyrinth
Ural Championship 1999
6517
235
1034
Queens in Peaceful Positions
Ural Championship 1999
1891
806
1035
Cross-stitch
Ural Championship 1999
1120
1353
1036
Lucky Tickets
5054
302
1037
Memory Management
USU Championship 2000
1283
1174
1038
Spell Checker
USU Championship 2000
3136
482
1039
Anniversary Party
USU Championship 2000
3957
383
1040
Airline Company
USU Championship 2000
1505
1002
1041
Nikifor
USU Championship 2000
297
4943
1042
Central Heating
USU Championship 2000
1866
809
1043
Cover an Arc
USU Championship 2000
920
1632
1044
Lucky Tickets. Easy!
USU Championship 2000
12529
121
1045
Funny Game
USU Local Contest. March 2000
2888
518
1046
Geometrical Dreams
USU Local Contest. March 2000
787
1881
1047
Simple Calculations
USU Local Contest. March 2000
5004
299
1048
Superlong Sums
USU Local Contest. March 2000
7523
199
1049
Brave Balloonists
USU Local Contest. March 2000
6059
247
1050
Preparing an Article
USU Local Contest. March 2000
1039
1429
1051
Simple Game on a Grid
USU Local Contest. March 2000
2838
526
1052
Rabbit Hunt
USU Local Contest. March 2000
6361
235
1053
Pinocchio
NEERC 2000 Central Subregional
4415
338
1054
Tower of Hanoi
NEERC 2000 Central Subregional
2328
640
1055
Combinations
NEERC 2000 Central Subregional
3578
417
1056
Centers of the Net
NEERC 2000 Central Subregional
2721
548
1057
Amount of Degrees
NEERC 2000 Central Subregional
2093
711
1058
Chocolate
NEERC 2000 Central Subregional
523
2801
1059
Expression
NEERC 2000 Central Subregional
2221
671
1060
Flip Game
NEERC 2000
3811
371
1061
Buffer Manager
NEERC 2000
2135
660
1062
Triathlon
NEERC 2000
770
1815
1063
Domino Puzzle
NEERC 2000
631
2208
1064
Binary Search
NEERC 2000
2173
649
1065
Frontier
NEERC 2000
1005
1396
1066
Garland
NEERC 2000
2462
573
1067
Disk Tree
NEERC 2000
3832
368
1068
Sum
38779
36
1069
Prufer Code
USU Personal Contest 2001
2653
517
1070
Local Time
USU Personal Contest 2001
2086
657
1071
Nikifor 2
USU Personal Contest 2001
2214
619
1072
Routing
USU Personal Contest 2001
2751
499
1073
Square Country
USU Personal Contest 2001
9759
141
1074
Very Short Problem
USU Personal Contest 2001
640
2118
1075
Thread in a Space
USU Personal Contest 2001
672
2019
1076
Trash
1926
707
1077
Travelling Tours
1241
396
1078
Segments
Winter Mathematical Festival Varna 2001
3866
351
1079
Maximum
Winter Mathematical Festival Varna 2001
12333
110
1080
Map Coloring
Winter Mathematical Festival Varna 2001
7038
193
1081
Binary Lexicographic Sequence
Winter Mathematical Festival Varna 2001
5096
267
1082
Gaby Ivanushka
Spring School Contest 2001
10841
124
1083
Factorials!!!
Spring School Contest 2001
20001
67
1084
Goat in the Garden
Spring School Contest 2001
9043
149
1085
Meeting
Spring School Contest 2001
2163
621
1086
Cryptography
Spring School Contest 2001
12777
106
1087
The Time to Take Stones
Spring School Contest 2001
4923
274
1088
Ilya Murometz
Spring School Contest 2001
1812
741
1089
Verification with the Dictionary
Spring School Contest 2001
1605
836
1090
In the Army Now
USU Local Contest. March 2001
3531
362
1091
Tmutarakan Exams
USU Local Contest. March 2001
2442
523
1092
Transversal
USU Local Contest. March 2001
545
2311
1093
Darts
USU Local Contest. March 2001
638
1980
1094
E-screen
USU Local Contest. March 2001
2797
457
1095
Nikifor 3
USU Local Contest. March 2001
2228
573
1096
Get the Right Route Plate!
USU Local Contest. March 2001
1813
704
1097
Square Country 2
USU Local Contest. March 2001
934
1359
1098
Questions
2218
550
1099
Work Scheduling
1005
1143
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
Volume 2
→
© 2000–2025
Timus Online Judge Team
. All rights reserved.