Basic Math

Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 6000
Success rate: 43.47%
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 5018
Success rate: 29.23%
A Childhood Game
LOJ-1020
Medium
Solved by: 2363
Success rate: 49.80%
Integer Divisibility
LOJ-1078
Medium
Solved by: 2078
Success rate: 52.73%
Ekka Dokka
LOJ-1116
Easy
Solved by: 5107
Success rate: 38.81%
Mad Counting
LOJ-1148
Medium
Solved by: 1276
Success rate: 52.96%
Josephus Problem
LOJ-1179
Medium
Solved by: 980
Success rate: 72.23%
Large Division
LOJ-1214
Easy
Solved by: 4397
Success rate: 51.69%
Internet Service Providers
LOJ-1275
Medium
Solved by: 868
Success rate: 53.56%
Positive Negative Sign
LOJ-1294
Easy
Solved by: 4813
Success rate: 45.37%
Largest Box
LOJ-1297
Medium
Solved by: 960
Success rate: 70.08%
Unlucky Bird
LOJ-1311
Medium
Solved by: 2516
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: 377
Success rate: 38.74%
IP Checking
LOJ-1354
Easy
Solved by: 4434
Success rate: 73.70%
Answering Queries
LOJ-1369
Medium Hard
Solved by: 790
Success rate: 42.80%
Consistent Verdicts
LOJ-1410
Medium Hard
Solved by: 267
Success rate: 45.78%
February 29
LOJ-1414
Medium
Solved by: 2282
Success rate: 35.84%
A Question of Time
LOJ-1430
Hard
Solved by: 43
Success rate: 48.30%