USACO_Silver
题单介绍
# 白银组 - Silver
白银组集训点：前缀和、排序与搜索、图、树。
具体的集训题单分类内容如下：
- $2024$ 年 $12$ 月真题。
- 按照集训点分类进行强化训练。
| 前缀和 | |
| :--------------------: | :----------------------------------------------------------: |
| 考点频繁度 | 3、2 |
| | USACO 2016 January Contest, Silver Problem 2. Subsequences Summing to Sevens |
| | USACO 2017 January Contest, Silver Problem 2. Hoof, Paper, Scissors |
| | USACO 2017 February Contest, Silver Problem 2. Why Did the Cow Cross the Road II |
| | abc125_c |
| **排序与搜索** | |
| 考点频繁度 | 3 |
| | USACO 2018 January Contest, Silver Problem 2. Rental Service |
| | USACO 2019 January Contest, Silver Problem 3. Mountain View |
| | USACO 2016 US Open Contest, Gold Problem 1. Splitting the Field |
| **双指针** | |
| 考点频繁度 | 2 |
| | USACO 2017 US Open Contest, Silver Problem 1. Paired Up |
| | USACO 2016 US Open Contest, Silver Problem 2. Diamond Collector |
| | USACO 2019 February Contest, Silver Problem 1. Sleepy Cow Herding |
| **有序集合** | |
| 考点频繁度 | 2 |
| | USACO 2017 December Contest, Silver Problem 2. Milk Measurement |
| | USACO 2018 December Contest, Silver Problem 2. Convention II |
| **排序的贪婪算法** | |
| 考点频繁度 | 3 |
| | USACO 2018 US Open Contest, Silver Problem 2. Lemonade Line |
| | USACO 2015 December Contest, Gold Problem 1. High Card Low Card (Gold) |
| | USACO 2017 February Contest, Silver Problem 1. Why Did the Cow Cross the Road |
| | USACO 2020 January Contest, Silver Problem 1. Berry Picking |
| **二分搜索** | |
| 考点频繁度 | 3 |
| | USACO 2020 US Open Contest, Silver Problem 1. Social Distancing |
| | USACO 2017 January Contest, Silver Problem 1. Cow Dance Show |
| | USACO 2018 December Contest, Silver Problem 1. Convention |
| **图的遍历** | |
| 考点频繁度 | 4 |
| | USACO 2016 December Contest, Silver Problem 3. Moocast |
| | USACO 2019 US Open Contest, Silver Problem 3. Fence Planning |
| | USACO 2020 January Contest, Silver Problem 3. Wormhole Sort |
| | USACO 2021 December Contest, Silver Problem 2. Connecting Two Barns |
| **洪水填充** | |
| 考点频繁度 | 3 |
| | USACO 2019 January Contest, Silver Problem 2. Icy Perimeter |
| | USACO 2014 January Contest, Silver Problem 2. Cross Country Skiing |
| | USACO 2017 US Open Contest, Silver Problem 3. Where's Bessie? |
| | USACO 2017 February Contest, Silver Problem 3. Why Did the Cow Cross the Road III |
| | USACO 2021 February Contest, Silver Problem 1. Comfortable Cows |
| **树算法（树的直径）** | |
| 考点频繁度 | 2 |
| | USACO 2018 January Contest, Silver Problem 3. MooTube |
| | USACO 2019 December Contest, Silver Problem 3. Milk Visits |
| | USACO 2020 February Contest, Silver Problem 3. Clock Tree |
| **函数图** | |
| 考点频繁度 | 2 |
| | USACO 2017 December Contest, Silver Problem 3. The Bovine Shuffle |
| | USACO 2022 US Open Contest, Silver Problem 1. Visits |
| **按位运算符** | |
| 考点频繁度 | 3 |
| | abc295_d |
| | USACO 2022 January Contest, Silver Problem 1. Searching for Soulmates |
| | USACO 2023 US Open Contest, Silver Problem 2. Field Day |