Beyond the Void / USACO
pku 1947 Rebuilding Roads
pku 1743 Musical Theme
pku 3255 Roadblocks
pku 3177 (3352) Redundant Paths
我叫 Grover Morgan
USACO FEB07 Silver Silver Lilypad Pond 银色莲花池
USACO FEB07 Bronze Bronze Lilypad Pond 青铜莲花池
USACO MAR07 Silver Monthly Expense 月度花费
USACO MAR07 Silver Balanced Lineup 平衡的阵容
USACO MAR07 Silver Cow Traffic 奶牛交通
USACO OCT07 Silver Obstacle Course 障碍训练场
USACO NOV07 Silver Cow Hurdles 奶牛跨栏
USACO NOV07 Silver Milking Time 挤奶时间
USACO DEC07 Silver Building Roads 建造路径
USACO JAN08 Silver Telephone Lines 架设电话线
USACO JAN08 Silver Cow Contest 奶牛的比赛
USACO JAN08 Bronze Costume Party 化装晚会
USACO FEB08 Silver Eating Together 麻烦的聚餐
USACO FEB08 Silver Meteor Shower 流星雨
USACO FEB08 Silver Game of Lines 连线游戏
USACO FEB08 Bronze Dining Cows 晚餐队列安排
USACO MAR08 Gold Cow Jogging 牛跑步
USACO MAR08 Gold Pearl Pairing 珍珠分对
USACO MAR08 Silver River Crossing 奶牛渡河问题
USACO MAR08 Silver Cow Travelling 游荡的奶牛
USACO 5.5.2 Hidden Passwords 隐藏口令 hidden
USACO 5.5.1 Picture 矩形周长 picture
USACO 5.4.5 TeleCowmunication 奶牛的电信 telecow
USACO 5.4.4 Betsy's Tour 漫游小镇 betsy
USACO 5.4.1 Canada Tour 周游加拿大 tour
USACO 5.3.3 Network of Schools 校园网 schlnet
USACO 5.3.4 Big Barn 巨大的牛棚 bigbrn
USACO 5.3.1 Milk Measuring 量取牛奶 milk4
USACO 5.2.2 Electric Fences 电网 fence3
USACO 5.2.1 Snail Trails 蜗牛的旅行 snail
USACO 5.1.3 Musical Themes 乐曲主题 theme
USACO 5.1.2 Starry Night 夜空繁星 starry
USACO 5.1.1 Fencing the Cows 圈奶牛 fc
USACO 4.4.3 Frame Up 重叠的图像 frameup
USACO 4.3.4 Letter Game 字母游戏 lgame
USACO 4.3.3 Buy Street Race 街道赛跑 race3
USACO 4.3.1 Buy Low, Buy Lower 逢低吸纳 buylow
USACO 4.2.4 Cowcycles 奶牛自行车 cowcycle
USACO 4.2.2 The Perfect Stall 完美的牛栏 stall4
USACO 4.2.1 Drainage Ditches 草地排水 ditch
USACO 3.4.4 Raucous Rockers 破锣摇滚乐队
USACO 3.4.3 Electric Fence 电网
USACO 3.4.2 American Heritage 美国血统
USACO 3.3.5 A Game 游戏
USACO 3.3.4 Home on the Range 家的范围
USACO 3.3.2 Shopping Offers 商店购物
USACO 3.2.5 Magic Squares 魔板 msquare
USACO 3.2.3 Spinning Wheels 纺车的轮子
USACO 3.1.6 Stamps 邮票
USACO 3.1.5 Contact 联系
USACO 3.1.4 Shaping Regions 形成的区域
USACO 2.4.3 Cow Tours 牛的旅行
USACO 2.4.2 Overfencing 穿越栅栏
USACO 2.3.3 Zero Sum 和为零
USACO 2.3.2 Cow Pedigrees 奶牛家谱
USACO 2.3.1 Longest Prefix 最长前缀
USACO 2.2.1 Preface Numbering 罗马数字转换 preface
USACO 2.2.4 Party Lamps 派对灯
USACO 2.2.3 Runaround Numbers 循环数
USACO 1.5.4 Checker Challenge （N皇后问题） 位运算解法