什么是“carbon copydating”

来源：蜘蛛抓取(WebSpider) 时间：2012-08-19 12:55 标签： carbon copy
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热门搜索：这道题纠结死了...很早就看到了,就是a不了,今天照着网上搜的代码一点点改,最后发现scanf里边得用%lf %lf 真纠结,像这种高精度的题真烦人
#include &stdio.h&
#include &math.h&
int main(void)
int count=0;
double n,m;
while (scanf(&%lf %lf&,&n,&m) != EOF && n)
printf(&Sample #%d/n&,++count);
k = m/n/810.0;
k = log(k);
result = (k/log(0.5)) * 5730.0;
if (result&10000)
result = (int)(result/100.0 +0.5);
result *= 100.0;
result = (int)(result/.5);
result *= 1000.0;
printf(&The approximate age is %.lf years./n/n&,result);
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