Basic Math

Fibsieve's Fantabulous Birthday
LOJ-1008
Easy
Solved by: 5985
Success rate: 43.45%
Knights on a Chessboard
LOJ-1010
Easy
Solved by: 5004
Success rate: 29.24%
A Childhood Game
LOJ-1020
Medium
Solved by: 2359
Success rate: 49.76%
Integer Divisibility
LOJ-1078
Medium
Solved by: 2072
Success rate: 52.71%
Ekka Dokka
LOJ-1116
Easy
Solved by: 5100
Success rate: 38.80%
Mad Counting
LOJ-1148
Medium
Solved by: 1273
Success rate: 52.93%
Josephus Problem
LOJ-1179
Medium
Solved by: 976
Success rate: 72.23%
Large Division
LOJ-1214
Easy
Solved by: 4383
Success rate: 51.66%
Internet Service Providers
LOJ-1275
Medium
Solved by: 864
Success rate: 53.55%
Positive Negative Sign
LOJ-1294
Easy
Solved by: 4796
Success rate: 45.36%
Largest Box
LOJ-1297
Medium
Solved by: 958
Success rate: 70.05%
Unlucky Bird
LOJ-1311
Medium
Solved by: 2511
Success rate: 43.19%
Billiard Balls
LOJ-1323
Hard
Solved by: 137
Success rate: 67.70%
Aladdin and the Optimal Invitation
LOJ-1349
Medium Hard
Solved by: 375
Success rate: 38.72%
IP Checking
LOJ-1354
Easy
Solved by: 4420
Success rate: 73.66%
Answering Queries
LOJ-1369
Medium Hard
Solved by: 784
Success rate: 42.72%
Consistent Verdicts
LOJ-1410
Medium Hard
Solved by: 267
Success rate: 45.78%
February 29
LOJ-1414
Medium
Solved by: 2272
Success rate: 35.84%
A Question of Time
LOJ-1430
Hard
Solved by: 43
Success rate: 48.30%