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USACO Bronze 历年题目（由易到难，同难度由近到远）
🔴 入门
lg8090 [USACO22JAN] Herdle B
lg9940 [USACO21JAN] Uddered but not Herd B
lg9955 [USACO20DEC] Do You Know Your ABCs? B
lg9950 [USACO20FEB] Mad Scientist B
lg9946 [USACO20JAN] Word Processor B
lg5831 [USACO19DEC] Cow Gymnastics B
lg1639 【模拟】传送[USACO18FEB] Teleportation B
lg1697 【模拟】找贡献最小的线段[USACO18JAN] Lifeguards B
🟠 普及−
lg15254 [USACO26JAN2] It's Mooin' Time IV B
lg12022 [USACO25OPEN] Hoof Paper Scissors Minus One B
lg12023 [USACO25OPEN] More Cow Photos B
lg11836 *【模拟】正方形中心对称判断[USACO25FEB] Reflection B
lg11837 *【思维】制造最小排除值[USACO25FEB] Making Mexes B
lg11450 *【模拟统计】立方体空格统计[USACO24DEC] Farmer John's Cheese Block B
lg10187 *【博弈sg】回文数取石子[USACO24FEB] Palindrome Game B
lg10189 *【二分】访问最多农场[USACO24FEB] Maximizing Productivity B
lg10131 *【思维】众数操作[USACO24JAN] Majority Opinion B
lg10132 *【模拟】在数轴上弹跳[USACO24JAN] Cannonball B
lg9121 [USACO23FEB] Hungry Cow B
lg9122 [USACO23FEB] Stamp Grid B
lg9123 [USACO23FEB] Watching Mooloo B
lg9010 [USACO23JAN] Leaders B
lg9011 [USACO23JAN] Air Cownditioning II B
lg9012 [USACO23JAN] Moo Operations B
lg8897 [USACO22DEC] Cow College B
lg8267 [USACO22OPEN] Counting Liars B
lg8184 [USACO22FEB] Photoshoot 2 B
lg8185 [USACO22FEB] Blocks B
lg8091 [USACO22JAN] Non-Transitive Dice B
lg7993 [USACO21DEC] Lonely Photo B
lg9937 [USACO21OPEN] Acowdemia I B
lg9938 [USACO21OPEN] Acowdemia II B
lg9943 [USACO21FEB] Year of the Cow B
lg9944 [USACO21FEB] Comfortable Cows B
lg9945 [USACO21FEB] Clockwise Fence B
lg9941 [USACO21JAN] Even More Odd Photos B
lg9942 [USACO21JAN] Just Stalling B
lg9953 [USACO20OPEN] Social Distancing II B
lg9949 [USACO20FEB] Triangles B
lg9947 [USACO20JAN] Photoshoot B
lg5833 [USACO19DEC] Livestock Lineup B
lg5832 [USACO19DEC] Where Am I? B
lg1699 [USACO19OPEN] Bucket Brigade B
lg1700 [USACO19OPEN] Milk Factory B
lg1693 [USACO19FEB] Sleepy Cow Herding B
lg1695 [USACO19FEB] Measuring Traffic B
lg9958 [USACO19JAN] Shell Game B
lg9959 [USACO19JAN] Sleepy Cow Sorting B
lg9960 [USACO19JAN] Guess the Animal B【思维】
lg5116 [USACO18DEC] Mixing Milk B
lg5117 [USACO18DEC] The Bucket List B
lg10122 [USACO18OPEN] Team Tic Tac Toe B
lg1677 【模拟】数轴的所有点染色[USACO18FEB] Hoofball B
lg1711 [USACO18FEB] Taming the Herd B
lg1696 【模拟】矩形3 和 矩形2 挡住矩形1[USACO18JAN] Blocked Billboard II B
lg1698 【思维】最少交换[USACO18JAN] Out of Place B
lg4122 【模拟】矩形3挡住矩形1和2[USACO17DEC] Blocked Billboard B
🟡 普及
lg14974 [USACO26JAN1] Chip Exchange B
lg14976 [USACO26JAN1] Photoshoot B
lg15256 [USACO26JAN2] Purchasing Milk B
lg15570 [USACO26FEB] Make All Distinct B
lg15571 [USACO26FEB] Strange Function B
lg15572 [USACO26FEB] Swap to Win B
lg11668 *【思维】哞哞叫Ⅱ [USACO25JAN] It's Mooin' Time II B
lg11669 *【模拟】序列翻转匹配[USACO25JAN] Cow Checkups B
lg11449 *【模拟】链式舍入[USACO24DEC] Roundabount Rounding B
lg11451 *【模拟】哞哞叫[USACO24DEC] It's Mooin' Time B
lg10275 *【模拟】多边形周长上两点距离[USACO24OPEN] Walking Along a Fence B
lg10276 *【思维细节】还原序列[USACO24OPEN] Farmer John's Favorite Permutation B
lg10133 [USACO24JAN] Balancing Bacteria B【思维】
lg9974 [USACO23DEC] Candy Cane Feast B*【模拟】
lg9975 [USACO23DEC] Cowntact Tracing 2 B
lg9976 [USACO23DEC] Farmer John Actually Farms B
lg8898 [USACO22DEC] Feeding the Cows B
lg8899 [USACO22DEC] Reverse Engineering B
lg8268 [USACO22OPEN] Alchemy B
lg8183 [USACO22FEB] Sleeping in Class B
lg8092 [USACO22JAN] Drought B
lg7994 [USACO21DEC] Air Cownditioning B
lg7995 [USACO21DEC] Walking Home B
lg9939 [USACO21OPEN] Acowdemia III B
lg9957 [USACO20DEC] Stuck in a Rut B
lg9952 [USACO20OPEN] Social Distancing I B
lg9954 [USACO20OPEN] Cowntact Tracing B
lg9951 [USACO20FEB] Swapity Swap B
lg9948 [USACO20JAN] Race B
lg1701 [USACO19OPEN] Cow Evolution B
lg1694 [USACO19FEB] The Great Revegetation B
lg5118 [USACO18DEC] Back and Forth B
lg10123 [USACO18OPEN] Milking Order B
lg10124 [USACO18OPEN] Family Tree B
🟢 普及+/提高−
lg14975 [USACO26JAN1] COW Splits B
lg15255 [USACO26JAN2] Moo Hunt B
lg12024 [USACO25OPEN] It's Mooin' Time III B
lg11838 *【动态规划：区间中间推】打印语句最少[USACO25FEB] Printing Sequences B
lg11667 *【模拟】图形重叠分析[USACO25JAN] Astral Superposition B
lg10274 *【思维细节】布尔语句替换[USACO24OPEN] Logical Moos B
lg10188 *【思维细节】交换牛奶[USACO24FEB] Milk Exchange B
lg9183 [USACO23OPEN] FEB B
lg9184 [USACO23OPEN] Moo Language B
lg9185 [USACO23OPEN] Rotate and Shift B
lg8266 [USACO22OPEN] Photoshoot B
章节 1. USACO Bronze 历年题目
开放
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| lg8090 [USACO22JAN] Herdle B | 53 | 19 | 5 |
| lg9940 [USACO21JAN] Uddered but not Herd B | 21 | 13 | 5 |
| lg9955 [USACO20DEC] Do You Know Your ABCs? B | 21 | 16 | 4 |
| lg9950 [USACO20FEB] Mad Scientist B | 26 | 14 | 5 |
| lg9946 [USACO20JAN] Word Processor B | 18 | 15 | 5 |
| lg5831 [USACO19DEC] Cow Gymnastics B | 66 | 24 | 5 |
| lg1639 【模拟】传送[USACO18FEB] Teleportation B | 30 | 17 | 4 |
| lg1697 【模拟】找贡献最小的线段[USACO18JAN] Lifeguards B | 44 | 18 | 5 |
| lg15254 [USACO26JAN2] It's Mooin' Time IV B | 27 | 4 | 9 |
| lg12022 [USACO25OPEN] Hoof Paper Scissors Minus One B | 18 | 6 | 8 |
| lg12023 [USACO25OPEN] More Cow Photos B | 12 | 6 | 9 |
| lg11836 *【模拟】正方形中心对称判断[USACO25FEB] Reflection B | 109 | 21 | 7 |
| lg11837 *【思维】制造最小排除值[USACO25FEB] Making Mexes B | 87 | 21 | 7 |
| lg11450 *【模拟统计】立方体空格统计[USACO24DEC] Farmer John's Cheese Block B | 96 | 26 | 6 |
| lg10187 *【博弈sg】回文数取石子[USACO24FEB] Palindrome Game B | 75 | 29 | 5 |
| lg10189 *【二分】访问最多农场[USACO24FEB] Maximizing Productivity B | 143 | 32 | 7 |
| lg10131 *【思维】众数操作[USACO24JAN] Majority Opinion B | 65 | 25 | 5 |
| lg10132 *【模拟】在数轴上弹跳[USACO24JAN] Cannonball B | 170 | 25 | 8 |
| lg9121 [USACO23FEB] Hungry Cow B | 63 | 16 | 7 |
| lg9122 [USACO23FEB] Stamp Grid B | 28 | 12 | 6 |
| lg9123 [USACO23FEB] Watching Mooloo B | 59 | 27 | 4 |
| lg9010 [USACO23JAN] Leaders B | 70 | 14 | 7 |
| lg9011 [USACO23JAN] Air Cownditioning II B | 19 | 10 | 6 |
| lg9012 [USACO23JAN] Moo Operations B | 35 | 18 | 4 |
| lg8897 [USACO22DEC] Cow College B | 43 | 20 | 4 |
| lg8267 [USACO22OPEN] Counting Liars B | 47 | 15 | 6 |
| lg8184 [USACO22FEB] Photoshoot 2 B | 71 | 14 | 7 |
| lg8185 [USACO22FEB] Blocks B | 50 | 13 | 7 |
| lg8091 [USACO22JAN] Non-Transitive Dice B | 28 | 14 | 5 |
| lg7993 [USACO21DEC] Lonely Photo B | 69 | 12 | 8 |
| lg9937 [USACO21OPEN] Acowdemia I B | 20 | 4 | 9 |
| lg9938 [USACO21OPEN] Acowdemia II B | 43 | 14 | 6 |
| lg9943 [USACO21FEB] Year of the Cow B | 3 | 3 | 10 |
| lg9944 [USACO21FEB] Comfortable Cows B | 4 | 3 | 10 |
| lg9945 [USACO21FEB] Clockwise Fence B | 42 | 17 | 5 |
| lg9941 [USACO21JAN] Even More Odd Photos B | 3 | 3 | 10 |
| lg9942 [USACO21JAN] Just Stalling B | 52 | 18 | 6 |
| lg9953 [USACO20OPEN] Social Distancing II B | 3 | 2 | 10 |
| lg9949 [USACO20FEB] Triangles B | 12 | 2 | 10 |
| lg9947 [USACO20JAN] Photoshoot B | 64 | 17 | 7 |
| lg5833 [USACO19DEC] Livestock Lineup B | 10 | 3 | 10 |
| lg5832 [USACO19DEC] Where Am I? B | 88 | 21 | 7 |
| lg1699 [USACO19OPEN] Bucket Brigade B | 71 | 10 | 8 |
| lg1700 [USACO19OPEN] Milk Factory B | 33 | 6 | 8 |
| lg1693 [USACO19FEB] Sleepy Cow Herding B | 64 | 14 | 7 |
| lg1695 [USACO19FEB] Measuring Traffic B | 28 | 6 | 8 |
| lg9958 [USACO19JAN] Shell Game B | 69 | 24 | 6 |
| lg9959 [USACO19JAN] Sleepy Cow Sorting B | 154 | 22 | 8 |
| lg9960 [USACO19JAN] Guess the Animal B【思维】 | 175 | 10 | 9 |
| lg5116 [USACO18DEC] Mixing Milk B | 30 | 17 | 4 |
| lg5117 [USACO18DEC] The Bucket List B | 26 | 17 | 4 |
| lg10122 [USACO18OPEN] Team Tic Tac Toe B | 25 | 4 | 8 |
| lg1677 【模拟】数轴的所有点染色[USACO18FEB] Hoofball B | 33 | 7 | 8 |
| lg1711 [USACO18FEB] Taming the Herd B | 21 | 4 | 8 |
| lg1696 【模拟】矩形3 和 矩形2 挡住矩形1[USACO18JAN] Blocked Billboard II B | 23 | 4 | 8 |
| lg1698 【思维】最少交换[USACO18JAN] Out of Place B | 44 | 8 | 8 |
| lg4122 【模拟】矩形3挡住矩形1和2[USACO17DEC] Blocked Billboard B | 25 | 12 | 5 |
| lg14974 [USACO26JAN1] Chip Exchange B | 31 | 12 | 6 |
| lg14976 [USACO26JAN1] Photoshoot B | 27 | 12 | 6 |
| lg15256 [USACO26JAN2] Purchasing Milk B | 29 | 8 | 7 |
| lg15570 [USACO26FEB] Make All Distinct B | 22 | 9 | 7 |
| lg15571 [USACO26FEB] Strange Function B | 16 | 8 | 8 |
| lg15572 [USACO26FEB] Swap to Win B | 16 | 8 | 8 |
| lg11668 *【思维】哞哞叫Ⅱ [USACO25JAN] It's Mooin' Time II B | 58 | 15 | 7 |
| lg11669 *【模拟】序列翻转匹配[USACO25JAN] Cow Checkups B | 23 | 9 | 7 |
| lg11449 *【模拟】链式舍入[USACO24DEC] Roundabount Rounding B | 139 | 25 | 8 |
| lg11451 *【模拟】哞哞叫[USACO24DEC] It's Mooin' Time B | 22 | 9 | 7 |
| lg10275 *【模拟】多边形周长上两点距离[USACO24OPEN] Walking Along a Fence B | 62 | 13 | 7 |
| lg10276 *【思维细节】还原序列[USACO24OPEN] Farmer John's Favorite Permutation B | 38 | 14 | 6 |
| lg10133 [USACO24JAN] Balancing Bacteria B【思维】 | 68 | 11 | 8 |
| lg9974 [USACO23DEC] Candy Cane Feast B*【模拟】 | 43 | 12 | 7 |
| lg9975 [USACO23DEC] Cowntact Tracing 2 B | 42 | 8 | 8 |
| lg9976 [USACO23DEC] Farmer John Actually Farms B | 25 | 6 | 8 |
| lg8898 [USACO22DEC] Feeding the Cows B | 8 | 5 | 10 |
| lg8899 [USACO22DEC] Reverse Engineering B | 13 | 5 | 9 |
| lg8268 [USACO22OPEN] Alchemy B | 4 | 4 | 10 |
| lg8183 [USACO22FEB] Sleeping in Class B | 11 | 5 | 9 |
| lg8092 [USACO22JAN] Drought B | 8 | 6 | 9 |
| lg7994 [USACO21DEC] Air Cownditioning B | 10 | 5 | 9 |
| lg7995 [USACO21DEC] Walking Home B | 10 | 5 | 9 |
| lg9939 [USACO21OPEN] Acowdemia III B | 29 | 9 | 7 |
| lg9957 [USACO20DEC] Stuck in a Rut B | 2 | 2 | 10 |
| lg9952 [USACO20OPEN] Social Distancing I B | 2 | 2 | 10 |
| lg9954 [USACO20OPEN] Cowntact Tracing B | 14 | 6 | 8 |
| lg9951 [USACO20FEB] Swapity Swap B | 45 | 15 | 6 |
| lg9948 [USACO20JAN] Race B | 24 | 10 | 6 |
| lg1701 [USACO19OPEN] Cow Evolution B | 50 | 7 | 8 |
| lg1694 [USACO19FEB] The Great Revegetation B | 14 | 3 | 9 |
| lg5118 [USACO18DEC] Back and Forth B | 37 | 8 | 7 |
| lg10123 [USACO18OPEN] Milking Order B | 540 | 7 | 10 |
| lg10124 [USACO18OPEN] Family Tree B | 20 | 5 | 8 |
| lg14975 [USACO26JAN1] COW Splits B | 3 | 1 | 10 |
| lg15255 [USACO26JAN2] Moo Hunt B | 2 | 1 | 10 |
| lg12024 [USACO25OPEN] It's Mooin' Time III B | 3 | 1 | 10 |
| lg11838 *【动态规划：区间中间推】打印语句最少[USACO25FEB] Printing Sequences B | 13 | 5 | 9 |
| lg11667 *【模拟】图形重叠分析[USACO25JAN] Astral Superposition B | 67 | 10 | 8 |
| lg10274 *【思维细节】布尔语句替换[USACO24OPEN] Logical Moos B | 42 | 9 | 7 |
| lg10188 *【思维细节】交换牛奶[USACO24FEB] Milk Exchange B | 83 | 15 | 8 |
| lg9183 [USACO23OPEN] FEB B | 12 | 6 | 9 |
| lg9184 [USACO23OPEN] Moo Language B | 26 | 3 | 9 |
| lg9185 [USACO23OPEN] Rotate and Shift B | 10 | 4 | 9 |
| lg8266 [USACO22OPEN] Photoshoot B | 11 | 5 | 9 |