Problem ID Title Solved/Submit Pass Rate
2332【基础】采购礼品
背包 并查集 
1/2
50%
2335【基础】Out of Hay S[USACO05MAR]
USACO 并查集 
1/1
100%
2331【基础】最短的通路时间
并查集 贪心 
13/47
27.66%