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
107041
16
1001
Reverse Root
34172
14
1002
Phone Numbers
Central European Olympiad in Informatics 1999
6985
225
1003
Parity
Central European Olympiad in Informatics 1999
4085
385
1004
Sightseeing Trip
Central European Olympiad in Informatics 1999
2712
580
1005
Stone Pile
USU Championship 1997
20201
78
1006
Square Frames
USU Championship 1997
1586
987
1007
Code Words
USU Championship 1997
3894
404
1008
Image Encoding
USTU PhysTech Cup 2000
4280
367
1009
K-based Numbers
USU Championship 1997
16695
94
1010
Discrete Function
USTU PhysTech Cup 2000
5362
293
1011
Conductors
USU Championship 1997
6358
247
1012
K-based Numbers. Version 2
8731
180
1013
K-based Numbers. Version 3
1350
196
1014
Product of Digits
USU Local Contest. 1999
16770
94
1015
Test the Difference!
USU Local Contest. 1999
3442
455
1016
Cube on the Walk
USU Local Contest. 1999
1899
822
1017
Staircases
USU Local Contest. 1999
9963
158
1018
Binary Apple Tree
USU Local Contest. 1999
5591
280
1019
Line Painting
USU Local Contest. 1999
3380
463
1020
Rope
Autumn School Contest 2000
15739
100
1021
Sacrament of the Sum
Autumn School Contest 2000
10627
147
1022
Genealogical Tree
Autumn School Contest 2000
11050
142
1023
Buttons
Autumn School Contest 2000
7222
217
1024
Permutations
Autumn School Contest 2000
4878
321
1025
Democracy in Danger
Autumn School Contest 2000
23448
67
1026
Questions and Answers
Autumn School Contest 2000
10085
155
1027
D++ Again
Autumn School Contest 2000
2451
637
1028
Stars
Ural Championship 1999
5908
264
1029
Ministry
Ural Championship 1999
3830
354
1030
Titanic
Ural Championship 1999
1733
897
1031
Railway Tickets
Ural Championship 1999
3997
390
1032
Find a Multiple
Ural Championship 1999
4521
300
1033
Labyrinth
Ural Championship 1999
6595
237
1034
Queens in Peaceful Positions
Ural Championship 1999
1922
809
1035
Cross-stitch
Ural Championship 1999
1131
1367
1036
Lucky Tickets
5126
304
1037
Memory Management
USU Championship 2000
1316
1168
1038
Spell Checker
USU Championship 2000
3175
486
1039
Anniversary Party
USU Championship 2000
4011
385
1040
Airline Company
USU Championship 2000
1540
999
1041
Nikifor
USU Championship 2000
323
4652
1042
Central Heating
USU Championship 2000
1907
808
1043
Cover an Arc
USU Championship 2000
943
1626
1044
Lucky Tickets. Easy!
USU Championship 2000
12657
122
1045
Funny Game
USU Local Contest. March 2000
2929
521
1046
Geometrical Dreams
USU Local Contest. March 2000
801
1887
1047
Simple Calculations
USU Local Contest. March 2000
5043
303
1048
Superlong Sums
USU Local Contest. March 2000
7625
200
1049
Brave Balloonists
USU Local Contest. March 2000
6148
249
1050
Preparing an Article
USU Local Contest. March 2000
1051
1442
1051
Simple Game on a Grid
USU Local Contest. March 2000
2857
534
1052
Rabbit Hunt
USU Local Contest. March 2000
6429
238
1053
Pinocchio
NEERC 2000 Central Subregional
4452
342
1054
Tower of Hanoi
NEERC 2000 Central Subregional
2370
642
1055
Combinations
NEERC 2000 Central Subregional
3608
422
1056
Centers of the Net
NEERC 2000 Central Subregional
2767
550
1057
Amount of Degrees
NEERC 2000 Central Subregional
2124
716
1058
Chocolate
NEERC 2000 Central Subregional
542
2760
1059
Expression
NEERC 2000 Central Subregional
2247
677
1060
Flip Game
NEERC 2000
3849
375
1061
Buffer Manager
NEERC 2000
2160
666
1062
Triathlon
NEERC 2000
780
1829
1063
Domino Puzzle
NEERC 2000
644
2209
1064
Binary Search
NEERC 2000
2196
655
1065
Frontier
NEERC 2000
1014
1412
1066
Garland
NEERC 2000
2481
580
1067
Disk Tree
NEERC 2000
3974
363
1068
Sum
39537
37
1069
Prufer Code
USU Personal Contest 2001
2713
516
1070
Local Time
USU Personal Contest 2001
2115
661
1071
Nikifor 2
USU Personal Contest 2001
2245
623
1072
Routing
USU Personal Contest 2001
2791
502
1073
Square Country
USU Personal Contest 2001
10012
140
1074
Very Short Problem
USU Personal Contest 2001
655
2113
1075
Thread in a Space
USU Personal Contest 2001
698
1984
1076
Trash
1956
711
1077
Travelling Tours
1270
395
1078
Segments
Winter Mathematical Festival Varna 2001
3914
354
1079
Maximum
Winter Mathematical Festival Varna 2001
12499
111
1080
Map Coloring
Winter Mathematical Festival Varna 2001
7299
190
1081
Binary Lexicographic Sequence
Winter Mathematical Festival Varna 2001
5151
269
1082
Gaby Ivanushka
Spring School Contest 2001
10910
126
1083
Factorials!!!
Spring School Contest 2001
20269
68
1084
Goat in the Garden
Spring School Contest 2001
9176
150
1085
Meeting
Spring School Contest 2001
2194
625
1086
Cryptography
Spring School Contest 2001
12951
106
1087
The Time to Take Stones
Spring School Contest 2001
4981
276
1088
Ilya Murometz
Spring School Contest 2001
1826
750
1089
Verification with the Dictionary
Spring School Contest 2001
1630
840
1090
In the Army Now
USU Local Contest. March 2001
3578
365
1091
Tmutarakan Exams
USU Local Contest. March 2001
2483
525
1092
Transversal
USU Local Contest. March 2001
554
2321
1093
Darts
USU Local Contest. March 2001
646
1996
1094
E-screen
USU Local Contest. March 2001
2820
463
1095
Nikifor 3
USU Local Contest. March 2001
2248
580
1096
Get the Right Route Plate!
USU Local Contest. March 2001
1842
707
1097
Square Country 2
USU Local Contest. March 2001
951
1362
1098
Questions
2246
555
1099
Work Scheduling
1026
1143
Solved problems:
show
|
hide
•
Sort by:
id
|
authors
|
difficulty
Volume 2
→
© 2000–2026
Timus Online Judge Team
. All rights reserved.