Basic Math

Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 5983
Success rate: 43.45%
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 5002
Success rate: 29.23%
A Childhood Game
LOJ-1020
Medium
Solved by: 2357
Success rate: 49.75%
Integer Divisibility
LOJ-1078
Medium
Solved by: 2068
Success rate: 52.69%
Ekka Dokka
LOJ-1116
Easy
Solved by: 5094
Success rate: 38.81%
Mad Counting
LOJ-1148
Medium
Solved by: 1272
Success rate: 52.91%
Josephus Problem
LOJ-1179
Medium
Solved by: 974
Success rate: 72.20%
Large Division
LOJ-1214
Easy
Solved by: 4373
Success rate: 51.68%
Internet Service Providers
LOJ-1275
Medium
Solved by: 864
Success rate: 53.55%
Positive Negative Sign
LOJ-1294
Easy
Solved by: 4788
Success rate: 45.33%
Largest Box
LOJ-1297
Medium
Solved by: 957
Success rate: 70.03%
Unlucky Bird
LOJ-1311
Medium
Solved by: 2508
Success rate: 43.17%
Billiard Balls
LOJ-1323
Hard
Solved by: 137
Success rate: 67.70%
Aladdin and the Optimal Invitation
LOJ-1349
Medium Hard
Solved by: 374
Success rate: 38.68%
IP Checking
LOJ-1354
Easy
Solved by: 4416
Success rate: 73.65%
Answering Queries
LOJ-1369
Medium Hard
Solved by: 782
Success rate: 42.71%
Consistent Verdicts
LOJ-1410
Medium Hard
Solved by: 267
Success rate: 45.78%
February 29
LOJ-1414
Medium
Solved by: 2269
Success rate: 35.83%
A Question of Time
LOJ-1430
Hard
Solved by: 43
Success rate: 48.30%