LightOJ
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
Greetings from LightOJ
LOJ-1000
Easy
Solved by: 22770
Success rate: 54.85%
Opposite Task
LOJ-1001
Easy
Solved by: 16033
Success rate: 47.24%
Hex-a-bonacci
LOJ-1006
Easy
Solved by: 8195
Success rate: 28.79%
Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 6021
Success rate: 43.50%
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 5037
Success rate: 29.23%
Brush (I)
LOJ-1015
Easy
Solved by: 8124
Success rate: 37.44%
Circle in Square
LOJ-1022
Easy
Solved by: 9779
Success rate: 46.35%
Secret Origins
LOJ-1042
Medium
Solved by: 3224
Success rate: 34.51%
Digits of Factorial
LOJ-1045
Easy
Solved by: 4411
Success rate: 55.05%
Higher Math
LOJ-1053
Easy
Solved by: 7104
Success rate: 55.85%
Lift
LOJ-1069
Easy
Solved by: 7170
Success rate: 60.65%
How Cow
LOJ-1107
Easy
Solved by: 6575
Success rate: 57.45%
False Ordering
LOJ-1109
Easy
Solved by: 4165
Success rate: 77.79%
Discover the Web
LOJ-1113
Easy
Solved by: 3890
Success rate: 45.60%
Array Simulation
LOJ-1133
Easy
Solved by: 3614
Success rate: 45.93%
Division by 3
LOJ-1136
Easy
Solved by: 3802
Success rate: 40.27%
Parity
LOJ-1182
Easy
Solved by: 5443
Success rate: 63.80%
Sum of Factorials
LOJ-1189
Easy
Solved by: 2830
Success rate: 46.65%
Bishops
LOJ-1202
Medium
Solved by: 3161
Success rate: 52.56%
Double Ended Queue
LOJ-1212
Easy
Solved by: 3433
Success rate: 47.12%
Large Division
LOJ-1214
Easy
Solved by: 4414
Success rate: 51.74%
Palindromic Numbers (II)
LOJ-1225
Easy
Solved by: 5110
Success rate: 77.56%
Boiled Eggs
LOJ-1227
Easy
Solved by: 3503
Success rate: 54.56%
Pinocchio
LOJ-1241
Medium
Solved by: 2310
Success rate: 36.28%
Chocolate Thief
LOJ-1249
Medium
Solved by: 2707
Success rate: 52.09%
Positive Negative Sign
LOJ-1294
Easy
Solved by: 4824
Success rate: 45.37%
Area of a Parallelogram
LOJ-1305
Easy
Solved by: 4048
Success rate: 59.21%
Unlucky Bird
LOJ-1311
Medium
Solved by: 2524
Success rate: 43.17%
Agent J
LOJ-1331
Easy
Solved by: 2981
Success rate: 52.22%
Hidden Secret!
LOJ-1338
Medium
Solved by: 3137
Success rate: 58.08%
IP Checking
LOJ-1354
Easy
Solved by: 4453
Success rate: 73.71%
Setu
LOJ-1387
Easy
Solved by: 3938
Success rate: 64.42%
February 29
LOJ-1414
Medium
Solved by: 2292
Success rate: 35.86%
Minimum Arc Distance
LOJ-1433
Easy
Solved by: 3382
Success rate: 62.71%
Shadow Sum
LOJ-1447
Easy
Solved by: 949
Success rate: 58.20%
Redirect URL
LOJ-1449
Easy
Solved by: 1821
Success rate: 75.38%
ICPC Standing
LOJ-1509
Easy
Solved by: 655
Success rate: 60.85%
Interactive Search
Easy
Solved by: 243
Success rate: 60.70%
  • 1