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2017 ACM 集训队预选排名~      报名入口
趣味编程比赛报名入口
Problem Set

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Title or Source
Problem ID
Problem IDTitleRatio(AC/Submit)DifficultyDate
23001.1.1Your Ride Is Here 你的飞碟在这儿! 58%(104/179)42%2017-11-14
23011.1.2 Greedy Gift Givers 贪婪的送礼者 61%(66/108)39%2017-11-13
23021.1.3 Friday the Thirteenth 黑色星期五 65%(55/84)35%2017-11-15
23031.1.4 Broken Necklace 40%(34/86)60%2017-10-28
23041.2.1 Milking Cows 挤牛奶 28%(49/175)72%2017-11-15
23051.2.2 Transformations 方块转换 37%(46/126)63%2016-04-14
23061.2.3 Name That Number 命名那个数字 21%(25/119)79%2016-03-18
23071.2.4 Palindromic Squares 回文平方数 54%(45/84)46%2017-10-30
23081.2.5 Dual Palindromes 双重回文数 57%(41/72)43%2017-10-31
23091.3.1 Mixing Milk 混合牛奶 61%(43/71)39%2017-11-15
23101.3.2 Barn Repair 修理牛棚 58%(37/64)42%2016-03-22
23111.3.3 Calf Flac 24%(37/157)76%2016-05-31
23121.3.4 Prime Cryptarithm 牛式 52%(31/60)48%2017-02-15
23131.4.1 Packing Rectangles 铺放矩形块 (IOI 95) 62%(5/8)38%2017-06-22
23141.4.2 The Clocks 时钟 (IOI'94 - Day 2) 23%(13/56)77%2015-10-15
23151.4.3 Arithmetic Progressions 等差数列 20%(16/81)80%2015-06-05
23161.4.4 Mother's Mil 母亲的牛奶 59%(30/51)41%2016-04-30
23171.5.1 Number Triangles 数字金字塔 53%(33/62)47%2017-10-31
23181.5.2 Prime Palindromes 回文质数 24%(50/212)76%2017-10-28
23191.5.3 Superprime Rib 特殊的质数肋骨 63%(33/52)37%2017-10-11
23201.5.4 Checker Challenge跳棋的挑战 46%(26/57)54%2015-10-13
23212.1.2 Ordered Fractions 顺序的分数 53%(39/74)47%2017-05-22
23222.1.3 Sorting a Three-Valued Sequence 三值的排序 41%(26/63)59%2017-11-14
23232.1.4 Healthy Holsteins 健康的好斯坦奶牛 51%(19/37)49%2016-03-29
23242.1.5 Hamming Codes 海明码 54%(15/28)46%2017-06-01
23252.2.1 Preface Numbering 序言页码 67%(14/21)33%2015-03-04
23262.2.2 Subset Sums 集合 43%(15/35)57%2015-03-06
23272.2.3 Runaround Numbers 循环数 43%(23/53)57%2016-05-08
23282.2.4 Party Lamps 派对灯 49%(18/37)51%2017-08-15
23292.3.1 Longest Prefix 最长前缀 21%(5/24)79%2015-02-24
23302.3.2 Cow Pedigrees 奶牛家谱 47%(7/15)53%2015-03-01
23312.3.3 Zero Sum 和为零 69%(18/26)31%2017-03-19
23322.3.4 Money Systems 货币系统 38%(23/60)62%2015-10-20
23332.3.5 Controlling Companies 控制公司 32%(14/44)68%2016-10-05
23342.4.1 The Tamworth Two 两只塔姆沃斯牛 71%(12/17)29%2015-03-26
23352.4.2 Overfencing 穿越栅栏 24%(7/29)76%2015-03-29
23362.4.3 Cow Tours 牛的旅行 33%(6/18)67%2015-04-03
23372.4.4 Bessie Come Home 回家 39%(9/23)61%2015-04-07
23382.4.5 Fractions to Decimals 分数化小数 21%(10/48)79%2017-06-10
23393.1.1 Agri-Net 最短网络 94%(30/32)6%2017-07-28
23403.1.2 Score Inflation 总分 49%(21/43)51%2017-05-03
23413.1.3 Humble Numbers 丑数 27%(11/41)73%2015-08-19
23423.1.4 Shaping Regions 形成的区域 25%(7/28)75%2015-04-23
23433.1.5 Contact 联系 36%(8/22)64%2015-05-01
23443.1.6 Stamps 邮票 44%(11/25)56%2015-05-18
23453.2.1 Factorials 阶乘 46%(494/1071)54%2017-07-31
23463.2.2 Stringsobits 01串 32%(15/47)68%2015-05-05
23473.2.3 Spinning Wheels 纺车的轮子 100%(6/6)0%2015-05-04
23483.2.4 Feed Ratios 饲料调配 32%(6/19)68%2015-05-07
23493.2.5 Magic Squares 魔板 36%(9/25)64%2015-05-07
23503.2.6 Sweet Butter 香甜的黄油 34%(11/32)66%2013-07-21
23513.3.1 Riding the Fences 骑马修栅栏 33%(18/55)67%2013-07-18
23523.3.2 Shopping Offers 商店购物 67%(4/6)33%2013-10-12
23533.3.3 Camelot 亚瑟王的宫殿 17%(3/18)83%2013-09-19
23543.3.4 Home on the Range 家的范围 45%(5/11)55%2013-07-16
23553.3.5 A Game 游戏 55%(6/11)45%2015-05-18
23563.4.1 Closed Fences 闭合的栅栏 40%(2/5)60%2013-10-03
23573.4.2 American Heritage 美国血统 数据结构60%(9/15)40%2017-10-28
23583.4.3 Electric Fence 电网 50%(5/10)50%2013-07-16
23593.4.4 Raucous Rockers “破锣摇滚”乐队 60%(6/10)40%2013-07-22
23604.1.1 Beef McNuggets 麦香牛块 57%(4/7)43%2013-07-15
23614.1.2 Fence Rails 栅栏的木料 42%(5/12)58%2016-11-18
23624.1.3 Fence Loops 篱笆回路 33%(2/6)67%2013-07-20
23634.1.4 Cryptcowgraphy 解密牛语 7%(1/15)93%2016-03-21
23644.2.1 Drainage Ditches 草地排水 50%(8/16)50%2013-07-15
23654.2.2 The Perfect Stall 完美的牛栏 82%(9/11)18%2013-07-15
23664.2.3 Job Processing 工序安排 60%(3/5)40%2013-11-02
23674.2.4 Cowcycles 奶牛自行车 50%(1/2)50%2013-10-29
23684.3.1 Buy Low, Buy Lower 逢低吸纳 17%(4/23)83%2013-11-09
23694.3.2 The Primes 素数方阵 14%(2/14)86%2013-10-09
23704.3.3 Street Race 街道赛跑 100%(2/2)0%2013-10-07
23714.3.4 Letter Game 字母游戏 29%(2/7)71%2013-10-07
23724.4.1 Shuttle Puzzle 棋盘游戏 33%(1/3)67%2013-11-10
23734.4.2 Pollutant Control 追查坏牛奶 25%(4/16)75%2013-10-13
23744.4.3 Frame Up 重叠的图像 60%(3/5)40%2013-11-04
23755.1.1 Fencing the Cows 圈奶牛 60%(3/5)40%2013-10-04
23765.1.2 Starry Night 夜空繁星 100%(1/1)0%2013-10-14
23775.1.3 Musical Themes 乐曲主题 40%(2/5)60%2013-10-06
23785.2.1 Snail Trails 蜗牛的旅行 41%(7/17)59%2013-07-18
23795.2.2 Electric Fences 电网 41%(7/17)59%2013-10-06
23805.2.3 Wisconsin Squares 威斯康星州的牧场 50%(2/4)50%2013-10-07
23815.3.1 Milk Measuring 量取牛奶 24%(4/17)76%2014-09-15
23825.3.2 Window Area 窗体面积 40%(2/5)60%2013-10-04
23835.3.3 Network of Schools 校园网 44%(4/9)56%2013-11-07
23845.3.4 Big Barn 巨大的牛棚 29%(2/7)71%2013-10-15
23855.4.1 All Latin Squares 拉丁正方形 62%(5/8)38%2013-10-27
23865.4.2 Canada Tour 周游加拿大 27%(3/11)73%2013-10-11
23875.4.3 Character Recognition 字符识别 0%(0/1)100%2013-11-04
23885.4.4 Betsy's Tour 漫游小镇 64%(9/14)36%2016-03-23
23895.4.5 Telecowmunication 奶牛的电信 100%(4/4)0%2017-06-22
23905.5.1 Picture 矩形周长 40%(2/5)60%2014-11-12
23915.5.2 Hidden Password 隐藏口令 25%(1/4)75%2013-10-17
23925.5.3 Towfive 二五语言 0%(0/0)100%2010-10-02
23932.1.1The Castle城堡 47%(14/30)53%2015-07-29

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