2008
USACO JAN08 Silver Telephone Lines 架設電話線
USACO JAN08 Silver Cow Contest 奶牛的比賽
USACO JAN08 Bronze Costume Party 化裝晚會
USACO FEB08 Silver Eating Together 麻煩的聚餐
USACO FEB08 Silver Meteor Shower 流星雨
USACO FEB08 Silver Game of Lines 連線遊戲
USACO FEB08 Bronze Dining Cows 晚餐隊列安排
USACO MAR08 Gold Cow Jogging 牛跑步
USACO MAR08 Gold Pearl Pairing 珍珠分對
USACO MAR08 Silver River Crossing 奶牛渡河問題
USACO MAR08 Silver Cow Travelling 遊蕩的奶牛
各種字符串Hash函數比較