USACO Bronze 历年真题汇总表

USACO Bronze 历年真题汇总表（由近到远排序）

基础说明

1. 官方题目统一链接格式：https://usaco.org/index.php?page=viewproblem2&cpid=xxxx
2. 赛季规则：每年 12月、次年1、2月 三场月赛；2026起 US Open 仅美国线下邀请，海外选手不开放
3. 每场Bronze固定3道题，表格包含：赛季场次、题目名称、官方原题链接、USACO Guide题解链接
4. 排序：2026赛季 → 2025 → 2024 → 2023 … 倒序排列

一、2025–2026 赛季（最新）

2026 Third Contest（2026二月第三场月赛）

题号	题目名称	官方原题链接	USACO Guide题解
P1	Make All Distinct	https://usaco.org/index.php?page=viewproblem2&cpid=1587	https://usaco.guide/problems/usaco-1587-make-all-distinct/solution
P2	Strange Function	https://usaco.org/index.php?page=viewproblem2&cpid=1588	https://usaco.guide/problems/usaco-1588-strange-function/solution
P3	Swap to Win	https://usaco.org/index.php?page=viewproblem2&cpid=1589	https://usaco.guide/problems/usaco-1589-swap-to-win/solution

2026 Second Contest（2026一月第二场月赛）

题号	题目名称	官方原题链接	USACO Guide题解
P1	Grid Counting	https://usaco.org/index.php?page=viewproblem2&cpid=1563	https://usaco.guide/problems/usaco-1563-grid-counting/solution
P2	Cow Messages	https://usaco.org/index.php?page=viewproblem2&cpid=1564	https://usaco.guide/problems/usaco-1564-cow-messages/solution
P3	Subsequence Crossings	https://usaco.org/index.php?page=viewproblem2&cpid=1565	https://usaco.guide/problems/usaco-1565-subsequence-crossings/solution

2026 First Contest（2026一月第一场月赛）

题号	题目名称	官方原题链接	USACO Guide题解
P1	Chip Exchange	https://usaco.org/index.php?page=viewproblem2&cpid=1539	https://usaco.guide/problems/usaco-1539-chip-exchange/solution
P2	COW Splits	https://usaco.org/index.php?page=viewproblem2&cpid=1540	https://usaco.guide/problems/usaco-1540-cow-splits/solution
P3	Photoshoot	https://usaco.org/index.php?page=viewproblem2&cpid=1541	https://usaco.guide/problems/usaco-1541-photoshoot/solution

2025 US Open（2025美国公开赛）

题号	题目名称	官方原题链接	USACO Guide题解
P1	Logical Moos	https://usaco.org/index.php?page=viewproblem2&cpid=1419	https://usaco.guide/problems/usaco-1419-logical-moos/solution
P2	Walking Along a Fence	https://usaco.org/index.php?page=viewproblem2&cpid=1420	https://usaco.guide/problems/usaco-1420-walking-along-a-fence/solution
P3	It's Mooin' Time III	https://usaco.org/index.php?page=viewproblem2&cpid=1421	https://usaco.guide/problems/usaco-1421-its-mooin-time-iii/solution

2025 February Contest（2025二月）

题号	题目名称	官方原题链接	USACO Guide题解
P1	Cow Tipping	https://usaco.org/index.php?page=viewproblem2&cpid=1381	https://usaco.guide/problems/usaco-1381-cow-tipping/solution
P2	Palindrome Game	https://usaco.org/index.php?page=viewproblem2&cpid=1383	https://usaco.guide/problems/usaco-1383-palindrome-game/solution
P3	Printing Sequences	https://usaco.org/index.php?page=viewproblem2&cpid=1385	https://usaco.guide/problems/usaco-1385-printing-sequences/solution

2025 January Contest（2025一月）

题号	题目名称	官方原题链接	USACO Guide题解
P1	Hoof Paper Scissors	https://usaco.org/index.php?page=viewproblem2&cpid=1354	https://usaco.guide/problems/usaco-1354-hoof-paper-scissors/solution
P2	Square Pasture	https://usaco.org/index.php?page=viewproblem2&cpid=1355	https://usaco.guide/problems/usaco-1355-square-pasture/solution
P3	Milk Exchange	https://usaco.org/index.php?page=viewproblem2&cpid=1356	https://usaco.guide/problems/usaco-1356-milk-exchange/solution

2024 December Contest（2024十二月）

题号	题目名称	官方原题链接	USACO Guide题解
P1	Roundabout Rounding	https://usaco.org/index.php?page=viewproblem2&cpid=1324	https://usaco.guide/problems/usaco-1324-roundabout-rounding/solution
P2	Farmer John's Cheese Block	https://usaco.org/index.php?page=viewproblem2&cpid=1325	https://usaco.guide/problems/usaco-1325-farmer-johns-cheese-block/solution
P3	Minimum Cost Path	https://usaco.org/index.php?page=viewproblem2&cpid=1326	https://usaco.guide/problems/usaco-1326-minimum-cost-path/solution

二、2024 赛季

2024 US Open

|P1|Bucket Brigade|https://usaco.org/index.php?page=viewproblem2&cpid=1292|https://usaco.guide/problems/usaco-1292-bucket-brigade/solution|
|P2|Drought|https://usaco.org/index.php?page=viewproblem2&cpid=1293|https://usaco.guide/problems/usaco-1293-drought/solution|
|P3|Maximizing Productivity|https://usaco.org/index.php?page=viewproblem2&cpid=1294|https://usaco.guide/problems/usaco-1294-maximizing-productivity/solution|

2024 February

|P1|Cow Art|https://usaco.org/index.php?page=viewproblem2&cpid=1261|https://usaco.guide/problems/usaco-1261-cow-art/solution|
|P2|Cross Country Skiing|https://usaco.org/index.php?page=viewproblem2&cpid=1262|https://usaco.guide/problems/usaco-1262-cross-country-skiing/solution|
|P3|Sleepy Cow Herding|https://usaco.org/index.php?page=viewproblem2&cpid=1263|https://usaco.guide/problems/usaco-1263-sleepy-cow-herding/solution|

2024 January

|P1|Cow Gymnastics|https://usaco.org/index.php?page=viewproblem2&cpid=1230|https://usaco.guide/problems/usaco-1230-cow-gymnastics/solution|
|P2|Photoshoot 2|https://usaco.org/index.php?page=viewproblem2&cpid=1231|https://usaco.guide/problems/usaco-1231-photoshoot-2/solution|
|P3|Moo Operations|https://usaco.org/index.php?page=viewproblem2&cpid=1232|https://usaco.guide/problems/usaco-1232-moo-operations/solution|

2023 December

|P1|Cow Patrol|https://usaco.org/index.php?page=viewproblem2&cpid=1199|https://usaco.guide/problems/usaco-1199-cow-patrol/solution|
|P2|MooBuzz|https://usaco.org/index.php?page=viewproblem2&cpid=1200|https://usaco.guide/problems/usaco-1200-moobuzz/solution|
|P3|Binary Tree Sum|https://usaco.org/index.php?page=viewproblem2&cpid=1201|https://usaco.guide/problems/usaco-1201-binary-tree-sum/solution|

三、2023 赛季（节选高频刷题场次）

2023 US Open Bronze

1. Grass Planting cpid=1168
2. Milk Pails cpid=1169
3. Line of Delivery cpid=1170

2023 February Bronze

1. Sorting a Subarray cpid=1137
2. Milk Measurement cpid=1138
3. Moo Particle cpid=1139

2023 January Bronze

1. Moo Mixer cpid=1106
2. Airplane Seat Assignment cpid=1107
3. Tractor Paths cpid=1108

四、2022 赛季（经典入门题集中）

2022 US Open Bronze

1. Three Sum cpid=1075
2. Counting Liars cpid=1076
3. Printing the Pattern cpid=1077

2022 Feb Bronze

1. Block Game cpid=1044
2. Daisy Chains cpid=1045
3. Drought cpid=1046

2022 Jan Bronze

1. Herdle cpid=1013
2. Non-Transitive Dice cpid=1014
3. Photoshoot cpid=1015

2021 Dec Bronze

1. Lonely Photo cpid=982
2. Airplane Cow Route cpid=983
3. Convoluted Intervals cpid=984

补充资源链接

1. USACO 官方全部比赛归档页（可跳转所有场次）
   https://usaco.org/index.php?page=contests
2. USACO Guide 完整Bronze题库（按算法分类）
   https://usaco.guide/bronze
3. 洛谷USACO铜组合集（中文评测环境）
   https://www.luogu.com.cn/training/1441

使用说明

1. 复制 cpid=xxxx 数字替换进官方链接即可打开原题；
2. 2020年后题目统一标准输入输出（Python直接input读取，无需文件读写）；
3. 新手优先刷 2022–2026 近年Bronze，题型贴合当前考试风格。

需要我把2022–2026全部Bronze题目整理成一份纯文本清单（只保留比赛场次+题目名+完整官方链接）方便复制刷题吗？