Home
Problems
Compete
Ranks
Pricing
Sign up
Log in
Warm-up
Maximum User Solved
Minimum User Solved
Difficulty Easy to Hard
Difficulty Hard to Easy
LightOJ ID Ascending
LightOJ ID Descending
Show unsolved only
Greetings from LightOJ
LOJ-1000
Easy
Solved by: 22385
Success rate: 54.71%
Solve
Opposite Task
LOJ-1001
Easy
Solved by: 15735
Success rate: 47.14%
Solve
Hex-a-bonacci
LOJ-1006
Easy
Solved by: 8033
Success rate: 28.53%
Solve
Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 5946
Success rate: 43.44%
Solve
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 4966
Success rate: 29.18%
Solve
Brush (I)
LOJ-1015
Easy
Solved by: 8031
Success rate: 37.26%
Solve
Circle in Square
LOJ-1022
Easy
Solved by: 9635
Success rate: 46.22%
Solve
Secret Origins
LOJ-1042
Medium
Solved by: 3189
Success rate: 34.39%
Solve
Digits of Factorial
LOJ-1045
Easy
Solved by: 4341
Success rate: 54.96%
Solve
Higher Math
LOJ-1053
Easy
Solved by: 7038
Success rate: 55.74%
Solve
Lift
LOJ-1069
Easy
Solved by: 7087
Success rate: 60.74%
Solve
How Cow
LOJ-1107
Easy
Solved by: 6490
Success rate: 57.28%
Solve
False Ordering
LOJ-1109
Easy
Solved by: 4096
Success rate: 77.76%
Solve
Discover the Web
LOJ-1113
Easy
Solved by: 3818
Success rate: 45.46%
Solve
Array Simulation
LOJ-1133
Easy
Solved by: 3578
Success rate: 45.76%
Solve
Division by 3
LOJ-1136
Easy
Solved by: 3769
Success rate: 40.35%
Solve
Parity
LOJ-1182
Easy
Solved by: 5398
Success rate: 63.76%
Solve
Sum of Factorials
LOJ-1189
Easy
Solved by: 2774
Success rate: 46.60%
Solve
Bishops
LOJ-1202
Medium
Solved by: 3127
Success rate: 52.58%
Solve
Double Ended Queue
LOJ-1212
Easy
Solved by: 3373
Success rate: 46.82%
Solve
Large Division
LOJ-1214
Easy
Solved by: 4310
Success rate: 51.59%
Solve
Palindromic Numbers (II)
LOJ-1225
Easy
Solved by: 5033
Success rate: 77.63%
Solve
Boiled Eggs
LOJ-1227
Easy
Solved by: 3461
Success rate: 54.55%
Solve
Pinocchio
LOJ-1241
Medium
Solved by: 2287
Success rate: 36.21%
Solve
Chocolate Thief
LOJ-1249
Medium
Solved by: 2678
Success rate: 52.00%
Solve
Positive Negative Sign
LOJ-1294
Easy
Solved by: 4757
Success rate: 45.31%
Solve
Area of a Parallelogram
LOJ-1305
Easy
Solved by: 3994
Success rate: 59.40%
Solve
Unlucky Bird
LOJ-1311
Medium
Solved by: 2501
Success rate: 43.12%
Solve
Agent J
LOJ-1331
Easy
Solved by: 2955
Success rate: 52.40%
Solve
Hidden Secret!
LOJ-1338
Medium
Solved by: 3090
Success rate: 57.87%
Solve
IP Checking
LOJ-1354
Easy
Solved by: 4380
Success rate: 73.57%
Solve
Setu
LOJ-1387
Easy
Solved by: 3905
Success rate: 64.31%
Solve
February 29
LOJ-1414
Medium
Solved by: 2243
Success rate: 35.68%
Solve
Minimum Arc Distance
LOJ-1433
Easy
Solved by: 3344
Success rate: 62.83%
Solve
Shadow Sum
LOJ-1447
Easy
Solved by: 918
Success rate: 57.79%
Solve
Redirect URL
LOJ-1449
Easy
Solved by: 1734
Success rate: 75.21%
Solve
ICPC Standing
LOJ-1509
Easy
Solved by: 557
Success rate: 60.74%
Solve
Interactive Search
Easy
Solved by: 210
Success rate: 60.51%
Solve
1