usaco section
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usaco section
章节 1. 章节1
开放
| 题目 | 难度 |
|---|---|
| U1200 【USACO1.1】你的飞碟在这儿YourRideIsHere | 2 |
| U1201 【USACO1.1】贪婪的送礼者GreedyGiftGivers | 4 |
| U1202 【USACO1.1】黑色星期五FridaytheThirteenth | 4 |
| U1203 【USACO1.1】坏掉的项链BrokenNecklace | 4 |
| U1204 【USACO1.2】挤牛奶MilkingCows | 4 |
| U1205 【USACO1.2】方块转换Transformations | 6 |
| U1206 【USACO1.2】回文平方数PalindromicSquares | 4 |
| U1207 【USACO1.2】双重回文数DualPalindromes | 4 |
| U3864 【USACO1.2】命名那个数字NameThatNumber | 6 |
| U1208 【USACO1.3】混合牛奶MixingMilk | 4 |
| U1209 【USACO1.3】修理牛棚BarnRepair | 6 |
| U1211 【USACO1.3】牛式PrimeCryptarithm | 4 |
| U3650 【USACO1.3】滑雪课程设计SkiCourseDesign | 4 |
| U1212 【USACO1.4】铺放矩形块PackingRectangles | (无) |
| U1214 【USACO1.4】等差数列ArithmeticProgressions | 6 |
| U1474 【USACO2.3】货币系统MoneySystem/【USACO07OCT】CowCashG | (无) |
| U1444 【USACO1.3】虫洞wormhole | 6 |
| U1215 【USACO1.4】母亲的牛奶Mother'sMilk | 6 |
| U1216 【IOI1994】数字三角形NumberTriangles | 4 |
| U1217 【USACO1.5】回文质数PrimePalindromes | 4 |
| U1218 【USACO1.5】特殊的质数肋骨SuperprimeRib | 4 |
| U1219 【USACO1.5】八皇后CheckerChallenge | 10 |
章节 2. 章节2
开放
| 题目 | 难度 |
|---|---|
| U1457 【USACO2.1】城堡TheCastle | 7 |
| U1458 【USACO2.1】顺序的分数OrderedFractions | 4 |
| U1459 【USACO2.1】三值的排序SortingaThree-ValuedSequence | 4 |
| U1460 【USACO2.1】健康的荷斯坦奶牛HealthyHolsteins | 4 |
| U1461 【USACO2.1】海明码HammingCodes | 6 |
| U1465 【USACO2.2】序言页码PrefaceNumbering | 6 |
| U1466 【USACO2.2】集合SubsetSums | 6 |
| U1467 【USACO2.2】循环数RunaroundNumbers | 4 |
| U1468 【USACO2.2】派对灯PartyLamps | 6 |
| U1470 【USACO2.3】最长前缀LongestPrefix | 6 |
| U1472 【USACO2.3】奶牛家谱CowPedigrees | 7 |
| U1473 【USACO2.3】零的数列ZeroSum | 6 |
| U1474 【USACO2.3】货币系统MoneySystem/【USACO07OCT】CowCashG | (无) |
| U1475 【USACO2.3】控制公司ControllingCompanies | 6 |
| U1518 【USACO2.4】两只塔姆沃斯牛TheTamworthTwo | 6 |
| U1519 【USACO2.4】穿越栅栏Overfencing | 6 |
| U1522 【USACO2.4】牛的旅行CowTours | 6 |
| U1529 【USACO2.4】回家BessieComeHome | 6 |
| U1530 【USACO2.4】分数化小数FractionstoDecimals | 6 |
章节 3. 章节3
开放
| 题目 | 难度 |
|---|---|
| U1546 【USACO3.1】最短网络Agri-Net | 6 |
| U2722 【USACO3.1】总分ScoreInflation | 4 |
| U2723 【USACO3.1】丑数HumbleNumbers | 6 |
| U2724 【USACO3.1】联系Contact | 7 |
| U2725 【USACO3.1】邮票Stamps | 6 |
| U1134 【USACO3.2】阶乘问题Factorials | 6 |
| U2727 【USACO3.2】01串Stringsobits | 7 |
| U2728 【USACO3.2】纺车的轮子SpinningWheels | 6 |
| U2729 【USACO3.2】饲料调配FeedRatios | 6 |
| U2730 【USACO3.2】魔板MagicSquares | 6 |
| U1828 【USACO3.2】香甜的黄油SweetButter | 6 |
| U2731 【USACO3.3】骑马修栅栏RidingtheFences | 6 |
| U2732 【USACO3.3】商店购物ShoppingOffers | 7 |
| U1930 【USACO3.3】亚瑟王的宫殿 | 7 |
| U2733 【USACO3.3】家的范围HomeontheRange | 6 |
| U2734 【USACO3.3】游戏AGame | 6 |
| U2735 【USACO3.4】网ElectricFences | 6 |
| U2736 【USACO3.4】“破锣摇滚”乐队RaucousRockers | 6 |
| U1827 【USACO3.4】美国血统AmericanHeritage | 4 |
章节 4. 章节4
开放
| 题目 | 难度 |
|---|---|
| U2737 【USACO4.1】麦香牛块BeefMcNuggets | 6 |
| U2738 【USACO4.1】篱笆回路FenceLoops | 7 |
| U1894 【USACO4.2】完美的牛栏ThePerfectStall | 6 |
| U2740 【USACO4.2】草地排水DrainageDitches | 7 |
| U2751 【USACO4.2】工序安排JobProcessing | 7 |
| U2752 【USACO4.3】街道赛跑StreetRace | 7 |
| U2753 【USACO4.3】字母游戏LetterGame | 7 |
| U2687 【USACO4.3】逢低吸纳BuyLow,BuyLower | 7 |
| U1344 【USACO4.4】追查坏牛奶PollutantControl | 8 |
| U2741 【USACO4.4】重叠的图像FrameUp | 7 |
| U2739 【USACO4.4】棋盘游戏ShuttlePuzzle | 6 |
章节 5. 章节5
开放
| 题目 | 难度 |
|---|---|
| U2743 【USACO5.1】乐曲主题MusicalThemes | 7 |
| U2749 【USACO5.1】夜空繁星StarryNight | 7 |
| U1560 【USACO5.2】蜗牛的旅行SnailTrails | 7 |
| U2701 【USACO5.3】巨大的牛棚BigBarn | 6 |
| U2746 【USACO5.3】校园网NetworkofSchools | 6 |
| U2744 【USACO5.3】量取牛奶MilkMeasuring | 7 |
| U2745 【USACO5.3】窗体面积WindowArea | 7 |
| U1345 【USACO5.4】奶牛的电信Telecowmunication | 7 |
| U2747 【USACO5.4】周游加拿大CanadaTour | 7 |
| U1709 【USACO5.5】隐藏口令HiddenPassword | 7 |
| U2748 【USACO16OPEN】LandscapingP | 7 |
| U2750 【USACO5.5】贰五语言TwoFive | 8 |
| U1856 【IOI1998】【USACO5.5】矩形周长Picture | 6 |