| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 1307 | USACO1322 比特串 | 1 / 1 | 10 | |
| 1308 | USACO1323 纺轮 | 1 / 1 | 10 | |
| 1309 | USACO1324 饲料调配 | 1 / 1 | 10 | |
| 1310 | USACO1325 魔板 | 1 / 1 | 10 | |
| 1311 | USACO1326 香甜的黄油 | 1 / 1 | 10 | |
| 1312 | USACO1331 骑马修栅栏 | 1 / 1 | 10 | |
| 1313 | USACO1332 购物优惠 | 1 / 1 | 10 | |
| 1314 | USACO1333 卡米洛特 | 1 / 1 | 10 | |
| 1315 | USACO1334 家的范围 | 1 / 1 | 10 | |
| 1316 | USACO1335 游戏 | 1 / 1 | 10 | |
| 1318 | USACO1342 美国传统 | 1 / 1 | 10 | |
| 1319 | USACO1343 通电围栏 | 1 / 1 | 10 | |
| 1320 | USACO1344 喧嚣摇滚乐队 | 1 / 1 | 10 | |
| 1321 | USACO1411 麦乐牛块 | 1 / 1 | 10 | |
| 1323 | USACO1412 围栏圈 | 1 / 1 | 10 | |
| 1325 | USACO1421 排水沟 | 1 / 1 | 10 | |
| 1326 | USACO1422 完美牛棚 | 1 / 1 | 10 | |
| 1327 | USACO1423 产品处理 | 1 / 1 | 10 | |
| 1328 | USACO1424 牛圈 | 0 / 0 | (None) | |
| 1329 | USACO1431 低买 | 1 / 1 | 10 | |
| 1331 | USACO1433 街头竞速 | 1 / 1 | 10 | |
| 1332 | USACO1434 字母游戏 | 1 / 2 | 10 | |
| 1333 | USACO1441 穿梭谜题 | 1 / 1 | 10 | |
| 1334 | USACO1442 控制污染奶 | 1 / 1 | 10 | |
| 1335 | USACO1443 堆叠相框 | 1 / 3 | 10 | |
| 1336 | USACO1511 围住奶牛 | 1 / 2 | 10 | |
| 1337 | USACO1512 星空之夜 | 1 / 1 | 10 | |
| 1338 | USACO1513 音乐主题 | 1 / 1 | 10 | |
| 1339 | USACO1521 蜗牛漫步 | 0 / 0 | (None) | |
| 1342 | USACO1531 牛奶量取 | 1 / 1 | 10 | |
| 1343 | USACO1532 窗口面积 | 1 / 1 | 10 | |
| 1344 | USACO1533 学校网络 | 1 / 1 | 10 | |
| 1345 | USACO1534 巨大牛棚 | 1 / 1 | 10 | |
| 1347 | USACO1542 加拿大之旅 | 1 / 1 | 10 | |
| 1348 | USACO1543 字符识别 | 0 / 0 | (None) | |
| 1350 | USACO1545 奶牛通信 | 1 / 1 | 10 | |
| 1351 | USACO1551 海报 | 1 / 1 | 10 | |
| 1352 | USACO1552 隐藏密码 | 1 / 1 | 10 | |
| 1353 | USACO1553 二五 | 1 / 1 | 10 | |
| 1354 | USACO1611 邮政货车 | 1 / 1 | 10 | |
| 1355 | USACO1612 矩形牛棚 | 1 / 1 | 10 | |
| 1356 | USACO1613 牛异或 | 1 / 1 | 10 | |
| 1398 | USACO1622 包装矩形 | 1 / 1 | 10 | |
| 1303 | USACO1623 塑造区域 | 1 / 1 | 10 | |
| 1399 | USACO1631 栅栏围栏 | 1 / 2 | 10 | |
| 1324 | USACO1632 牛的密码学 | 1 / 2 | 10 | |
| 1330 | USACO1641 质数方阵 | 1 / 1 | 10 | |
| 1340 | USACO1642 通电围栏 | 1 / 1 | 10 | |
| 1341 | USACO1643 威斯康星方形牧场 | 1 / 1 | 10 | |
| 1346 | USACO1651 拉丁矩阵 | 1 / 1 | 10 |