Selecting the median

被引:44
作者
Dor, D [1 ]
Zwick, U [1 ]
机构
[1] Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Math Sci, Dept Comp Sci, IL-69978 Tel Aviv, Israel
关键词
median selection; comparison algorithms; concrete complexity;
D O I
10.1137/S0097539795288611
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Improving a long-standing result of Schonhage, Paterson, and Pippenger [J. Comput. System Sci., 13 (1976), pp. 184-199] we show that the median of a set containing n elements can always be found using at most c . n comparisons, where c < 2.95.
引用
收藏
页码:1722 / 1758
页数:37
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