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Problem ID
Title
Source/Category
AC
Submit
2663
Wrong Directions[USACO-2012-Mar-B]
快速排序
USACO
2012
level4
0
0
2673
序列第K小
快速排序
CCF
level4
0
0
2725
混合牛奶Mixing Milk [USACO1.4]
快速排序
贪心
USACO
level4
0
0
2730
顺序的分数 Ordered Fractions [USACO 2.1]
快速排序
枚举
USACO
level4
0
0
2752
Cow Photography[USACO-2011-Dec-B]
快速排序
USACO
2011
level4
0
0
2763
分数线划定
快速排序
NOIP普及
2009
level4
1
1