Oct 17

LeetCode - Algorithms - 1232. Check If It Is a Straight Line

Oct 15

LeetCode - Algorithms - 1154. Day of the Year

Sep 24

Extended Euclidean algorithm and Modular multiplicative inverse

Sep 14

LeetCode - Algorithms - 507. Perfect Number

Jul 3

LeetCode - Algorithms - 149. Max Points on a Line

Jun 6

LeetCode - Algorithms - 172. Factorial Trailing Zeroes

May 23

Gauss's algorithm and Chinese remainder theorem

Apr 9

数学题 - 1

Mar 19

［趣味数学·益智游戏］魔方

Mar 14

Why is Euler's phi function multiplicative?