Basic Math

Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 5982
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: 2355
Success rate: 49.72%
Integer Divisibility
LOJ-1078
Medium
Solved by: 2065
Success rate: 52.68%
Ekka Dokka
LOJ-1116
Easy
Solved by: 5089
Success rate: 38.79%
Mad Counting
LOJ-1148
Medium
Solved by: 1271
Success rate: 52.92%
Josephus Problem
LOJ-1179
Medium
Solved by: 971
Success rate: 72.23%
Large Division
LOJ-1214
Easy
Solved by: 4367
Success rate: 51.67%
Internet Service Providers
LOJ-1275
Medium
Solved by: 863
Success rate: 53.52%
Positive Negative Sign
LOJ-1294
Easy
Solved by: 4786
Success rate: 45.33%
Largest Box
LOJ-1297
Medium
Solved by: 956
Success rate: 70.10%
Unlucky Bird
LOJ-1311
Medium
Solved by: 2507
Success rate: 43.16%
Billiard Balls
LOJ-1323
Hard
Solved by: 137
Success rate: 67.70%
Aladdin and the Optimal Invitation
LOJ-1349
Medium Hard
Solved by: 372
Success rate: 38.63%
IP Checking
LOJ-1354
Easy
Solved by: 4410
Success rate: 73.64%
Answering Queries
LOJ-1369
Medium Hard
Solved by: 779
Success rate: 42.66%
Consistent Verdicts
LOJ-1410
Medium Hard
Solved by: 267
Success rate: 45.78%
February 29
LOJ-1414
Medium
Solved by: 2264
Success rate: 35.79%
A Question of Time
LOJ-1430
Hard
Solved by: 43
Success rate: 48.30%