摘要:
参考:《编程之美》 $2.1http://blog.solrex.org/articles/population-count-problem.htmlhttp://www.cnblogs.com/graphics/archive/2010/06/21/1752421.htmlhttp://en.wikipedia.org/wiki/Hamming_weighthttp://en.wikipedia.org/wiki/SSE4java 中 Integer实现一般实现。int popCount1(int i){ int num=0; while(i!=0) { n... 阅读全文
摘要:
参考:《编程之美》 $2.1http://blog.solrex.org/articles/population-count-problem.htmlhttp://www.cnblogs.com/graphics/archive/2010/06/21/1752421.htmlhttp://en.wikipedia.org/wiki/Hamming_weighthttp://en.wikipedia.org/wiki/SSE4 一般实现。int popCount1(int i){ int num=0; while(i!=0) { num += i & 0x01;... 阅读全文