usaco5″时代过题的同学

推荐重做以下题目：

1.2Broken Necklace

1.2Prime Palindromes

1.4Checker Challenge

1.4SuperPrime Rib

2.1Shaping Regions

2.1Contact

2.2Runaround Numbers

2.3The Clocks

2.4Humble Numbers

2.5Palindromic Squares

2.5Stringsobits

2.5Sorting A Three-Valued Sequence

有些题目可能当时就不是用搜索过的，那就无需再做，题目将会陆续添加！谢谢支持！