Basic Math

Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 6011
Success rate: 43.49%
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 5028
Success rate: 29.22%
A Childhood Game
LOJ-1020
Medium
Solved by: 2371
Success rate: 49.82%
Integer Divisibility
LOJ-1078
Medium
Solved by: 2084
Success rate: 52.67%
Ekka Dokka
LOJ-1116
Easy
Solved by: 5116
Success rate: 38.83%
Mad Counting
LOJ-1148
Medium
Solved by: 1279
Success rate: 52.99%
Josephus Problem
LOJ-1179
Medium
Solved by: 980
Success rate: 72.10%
Large Division
LOJ-1214
Easy
Solved by: 4404
Success rate: 51.71%
Internet Service Providers
LOJ-1275
Medium
Solved by: 869
Success rate: 53.44%
Positive Negative Sign
LOJ-1294
Easy
Solved by: 4817
Success rate: 45.38%
Largest Box
LOJ-1297
Medium
Solved by: 962
Success rate: 70.12%
Unlucky Bird
LOJ-1311
Medium
Solved by: 2518
Success rate: 43.18%
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: 4441
Success rate: 73.73%
Answering Queries
LOJ-1369
Medium Hard
Solved by: 791
Success rate: 42.82%
Consistent Verdicts
LOJ-1410
Medium Hard
Solved by: 267
Success rate: 45.78%
February 29
LOJ-1414
Medium
Solved by: 2288
Success rate: 35.83%
A Question of Time
LOJ-1430
Hard
Solved by: 43
Success rate: 48.30%