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LightOJ Volumes
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Difficulty Easy to Hard
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LightOJ Volume 10
LightOJ Volume 11
LightOJ Volume 12
LightOJ Volume 13
LightOJ Volume 14
Show unsolved only
Greetings from LightOJ
LOJ-1000
Easy
Solved by: 21272
Success rate: 53.69%
Solve
Opposite Task
LOJ-1001
Easy
Solved by: 14974
Success rate: 46.50%
Solve
Country Roads
LOJ-1002
Easy
Solved by: 2947
Success rate: 47.78%
Solve
Drunk
LOJ-1003
Medium
Solved by: 1766
Success rate: 28.17%
Solve
Monkey Banana Problem
LOJ-1004
Easy
Solved by: 4350
Success rate: 52.54%
Solve
Rooks
LOJ-1005
Easy
Solved by: 3252
Success rate: 44.64%
Solve
Hex-a-bonacci
LOJ-1006
Easy
Solved by: 7659
Success rate: 27.95%
Solve
Mathematically Hard
LOJ-1007
Easy
Solved by: 2755
Success rate: 26.55%
Solve
Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 5795
Success rate: 43.50%
Solve
Back to Underworld
LOJ-1009
Easy
Solved by: 3624
Success rate: 32.64%
Solve
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 4831
Success rate: 29.18%
Solve
Marriage Ceremonies
LOJ-1011
Medium
Solved by: 2533
Success rate: 50.58%
Solve
Guilty Prince
LOJ-1012
Easy
Solved by: 4884
Success rate: 76.74%
Solve
Love Calculator
LOJ-1013
Medium
Solved by: 1632
Success rate: 53.80%
Solve
Iftar Party
LOJ-1014
Medium
Solved by: 2653
Success rate: 31.11%
Solve
Brush (I)
LOJ-1015
Easy
Solved by: 7834
Success rate: 37.02%
Solve
Brush (II)
LOJ-1016
Medium
Solved by: 1862
Success rate: 55.22%
Solve
Brush (III)
LOJ-1017
Medium
Solved by: 1624
Success rate: 49.15%
Solve
Brush (IV)
LOJ-1018
Medium
Solved by: 974
Success rate: 27.74%
Solve
Brush (V)
LOJ-1019
Medium
Solved by: 2243
Success rate: 52.81%
Solve
A Childhood Game
LOJ-1020
Medium
Solved by: 2248
Success rate: 49.97%
Solve
Painful Bases
LOJ-1021
Medium
Solved by: 1183
Success rate: 52.55%
Solve
Circle in Square
LOJ-1022
Easy
Solved by: 9346
Success rate: 46.12%
Solve
Discovering Permutations
LOJ-1023
Medium
Solved by: 2431
Success rate: 60.89%
Solve
Eid
LOJ-1024
Medium
Solved by: 1225
Success rate: 42.09%
Solve
The Specials Menu
LOJ-1025
Medium
Solved by: 1467
Success rate: 54.42%
Solve
Critical Links
LOJ-1026
Medium
Solved by: 1355
Success rate: 44.56%
Solve
A Dangerous Maze
LOJ-1027
Medium
Solved by: 1704
Success rate: 70.50%
Solve
Trailing Zeroes (I)
LOJ-1028
Easy
Solved by: 2147
Success rate: 23.17%
Solve
Civil and Evil Engineer
LOJ-1029
Medium
Solved by: 1712
Success rate: 62.31%
Solve
Discovering Gold
LOJ-1030
Medium
Solved by: 1447
Success rate: 56.09%
Solve
Easy Game
LOJ-1031
Medium
Solved by: 1248
Success rate: 62.51%
Solve
Fast Bit Calculations
LOJ-1032
Medium
Solved by: 1138
Success rate: 76.94%
Solve
Generating Palindromes
LOJ-1033
Medium
Solved by: 1870
Success rate: 75.66%
Solve
Hit the Light Switches
LOJ-1034
Medium
Solved by: 1366
Success rate: 40.06%
Solve
Intelligent Factorial Factorization
LOJ-1035
Easy
Solved by: 2570
Success rate: 61.72%
Solve
A Refining Company
LOJ-1036
Medium Hard
Solved by: 653
Success rate: 70.76%
Solve
Agent 47
LOJ-1037
Medium
Solved by: 1107
Success rate: 67.12%
Solve
Race to 1 Again
LOJ-1038
Medium
Solved by: 1244
Success rate: 67.60%
Solve
A Toy Company
LOJ-1039
Medium
Solved by: 1074
Success rate: 51.16%
Solve
Donation
LOJ-1040
Medium
Solved by: 1318
Success rate: 61.01%
Solve
Road Construction
LOJ-1041
Medium
Solved by: 1532
Success rate: 63.76%
Solve
Secret Origins
LOJ-1042
Medium
Solved by: 3121
Success rate: 34.30%
Solve
Triangle Partitioning
LOJ-1043
Easy
Solved by: 4017
Success rate: 75.14%
Solve
Palindrome Partitioning
LOJ-1044
Medium
Solved by: 1226
Success rate: 53.83%
Solve
Digits of Factorial
LOJ-1045
Easy
Solved by: 4209
Success rate: 54.89%
Solve
Rider
LOJ-1046
Medium
Solved by: 1019
Success rate: 58.28%
Solve
Neighbor House
LOJ-1047
Easy
Solved by: 2787
Success rate: 71.84%
Solve
Conquering Keokradong
LOJ-1048
Medium
Solved by: 1275
Success rate: 34.74%
Solve
One Way Roads
LOJ-1049
Medium
Solved by: 1649
Success rate: 72.02%
Solve
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