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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: 21931
Success rate: 54.29%
Solve
Opposite Task
LOJ-1001
Easy
Solved by: 15455
Success rate: 46.89%
Solve
Country Roads
LOJ-1002
Easy
Solved by: 3028
Success rate: 47.87%
Solve
Drunk
LOJ-1003
Medium
Solved by: 1853
Success rate: 28.36%
Solve
Monkey Banana Problem
LOJ-1004
Easy
Solved by: 4483
Success rate: 52.55%
Solve
Rooks
LOJ-1005
Easy
Solved by: 3369
Success rate: 44.45%
Solve
Hex-a-bonacci
LOJ-1006
Easy
Solved by: 7880
Success rate: 28.29%
Solve
Mathematically Hard
LOJ-1007
Easy
Solved by: 2861
Success rate: 26.40%
Solve
Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 5874
Success rate: 43.48%
Solve
Back to Underworld
LOJ-1009
Easy
Solved by: 3740
Success rate: 32.60%
Solve
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 4903
Success rate: 29.14%
Solve
Marriage Ceremonies
LOJ-1011
Medium
Solved by: 2632
Success rate: 50.78%
Solve
Guilty Prince
LOJ-1012
Easy
Solved by: 5149
Success rate: 77.34%
Solve
Love Calculator
LOJ-1013
Medium
Solved by: 1672
Success rate: 53.74%
Solve
Iftar Party
LOJ-1014
Medium
Solved by: 2759
Success rate: 31.32%
Solve
Brush (I)
LOJ-1015
Easy
Solved by: 7958
Success rate: 37.16%
Solve
Brush (II)
LOJ-1016
Medium
Solved by: 1896
Success rate: 55.10%
Solve
Brush (III)
LOJ-1017
Medium
Solved by: 1651
Success rate: 49.03%
Solve
Brush (IV)
LOJ-1018
Medium
Solved by: 995
Success rate: 27.37%
Solve
Brush (V)
LOJ-1019
Medium
Solved by: 2286
Success rate: 53.05%
Solve
A Childhood Game
LOJ-1020
Medium
Solved by: 2301
Success rate: 49.51%
Solve
Painful Bases
LOJ-1021
Medium
Solved by: 1214
Success rate: 52.87%
Solve
Circle in Square
LOJ-1022
Easy
Solved by: 9523
Success rate: 46.27%
Solve
Discovering Permutations
LOJ-1023
Medium
Solved by: 2493
Success rate: 60.98%
Solve
Eid
LOJ-1024
Medium
Solved by: 1257
Success rate: 42.08%
Solve
The Specials Menu
LOJ-1025
Medium
Solved by: 1498
Success rate: 54.19%
Solve
Critical Links
LOJ-1026
Medium
Solved by: 1380
Success rate: 43.83%
Solve
A Dangerous Maze
LOJ-1027
Medium
Solved by: 1758
Success rate: 70.58%
Solve
Trailing Zeroes (I)
LOJ-1028
Easy
Solved by: 2228
Success rate: 23.32%
Solve
Civil and Evil Engineer
LOJ-1029
Medium
Solved by: 1743
Success rate: 62.50%
Solve
Discovering Gold
LOJ-1030
Medium
Solved by: 1480
Success rate: 56.06%
Solve
Easy Game
LOJ-1031
Medium
Solved by: 1273
Success rate: 62.45%
Solve
Fast Bit Calculations
LOJ-1032
Medium
Solved by: 1153
Success rate: 76.98%
Solve
Generating Palindromes
LOJ-1033
Medium
Solved by: 1918
Success rate: 75.85%
Solve
Hit the Light Switches
LOJ-1034
Medium
Solved by: 1398
Success rate: 38.97%
Solve
Intelligent Factorial Factorization
LOJ-1035
Easy
Solved by: 2649
Success rate: 61.96%
Solve
A Refining Company
LOJ-1036
Medium Hard
Solved by: 659
Success rate: 70.76%
Solve
Agent 47
LOJ-1037
Medium
Solved by: 1147
Success rate: 66.85%
Solve
Race to 1 Again
LOJ-1038
Medium
Solved by: 1269
Success rate: 67.66%
Solve
A Toy Company
LOJ-1039
Medium
Solved by: 1095
Success rate: 51.03%
Solve
Donation
LOJ-1040
Medium
Solved by: 1335
Success rate: 61.03%
Solve
Road Construction
LOJ-1041
Medium
Solved by: 1564
Success rate: 64.01%
Solve
Secret Origins
LOJ-1042
Medium
Solved by: 3160
Success rate: 34.31%
Solve
Triangle Partitioning
LOJ-1043
Easy
Solved by: 4131
Success rate: 75.48%
Solve
Palindrome Partitioning
LOJ-1044
Medium
Solved by: 1250
Success rate: 54.04%
Solve
Digits of Factorial
LOJ-1045
Easy
Solved by: 4282
Success rate: 54.93%
Solve
Rider
LOJ-1046
Medium
Solved by: 1031
Success rate: 58.37%
Solve
Neighbor House
LOJ-1047
Easy
Solved by: 2886
Success rate: 72.00%
Solve
Conquering Keokradong
LOJ-1048
Medium
Solved by: 1306
Success rate: 34.37%
Solve
One Way Roads
LOJ-1049
Medium
Solved by: 1678
Success rate: 72.02%
Solve
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