Basic Math

Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 5937
Success rate: 43.45%
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 4956
Success rate: 29.17%
A Childhood Game
LOJ-1020
Medium
Solved by: 2333
Success rate: 49.62%
Integer Divisibility
LOJ-1078
Medium
Solved by: 2029
Success rate: 52.55%
Ekka Dokka
LOJ-1116
Easy
Solved by: 5047
Success rate: 38.70%
Mad Counting
LOJ-1148
Medium
Solved by: 1259
Success rate: 52.76%
Josephus Problem
LOJ-1179
Medium
Solved by: 968
Success rate: 72.23%
Large Division
LOJ-1214
Easy
Solved by: 4303
Success rate: 51.57%
Internet Service Providers
LOJ-1275
Medium
Solved by: 859
Success rate: 53.52%
Positive Negative Sign
LOJ-1294
Easy
Solved by: 4750
Success rate: 45.28%
Largest Box
LOJ-1297
Medium
Solved by: 953
Success rate: 70.01%
Unlucky Bird
LOJ-1311
Medium
Solved by: 2497
Success rate: 43.10%
Billiard Balls
LOJ-1323
Hard
Solved by: 137
Success rate: 67.70%
Aladdin and the Optimal Invitation
LOJ-1349
Medium Hard
Solved by: 371
Success rate: 38.57%
IP Checking
LOJ-1354
Easy
Solved by: 4373
Success rate: 73.54%
Answering Queries
LOJ-1369
Medium Hard
Solved by: 771
Success rate: 42.58%
Consistent Verdicts
LOJ-1410
Medium Hard
Solved by: 267
Success rate: 45.78%
February 29
LOJ-1414
Medium
Solved by: 2240
Success rate: 35.65%
A Question of Time
LOJ-1430
Hard
Solved by: 43
Success rate: 48.30%