进制、组合数、加法乘法原理、质数约数、算数基本定理、逆元、中国剩余定理、线性筛、欧拉函数、概率与期望、矩阵乘法、高斯消元
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Section 1. 基础
In Progress
| Problem | Tried | AC | Difficulty |
|---|---|---|---|
| NOIPS2000A 进制转换 | 3 | 0 | 10 |
| NOIPS2016D 组合数问题 | 1 | 1 | 10 |
| NOIPS2009B Hankson 的趣味题 | 1 | 1 | 10 |
| CSPS2019D Emiya 家今天的饭 | 2 | 2 | 10 |
| NOIPS2011D 计算系数（cal） | 58 | 8 | 8 |
Section 2. 提高
Open
| Problem | Tried | AC | Difficulty |
|---|---|---|---|
| Z091 有趣的数列 | 0 | 0 | (None) |
| Z092 [HNOI2013]数列 | 0 | 0 | (None) |
