Online Judge | Problem Set | Authors | Online Contests | User | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest |
Re:各位大牛小牛,帮忙看下一个很诡异的问题In Reply To:各位大牛小牛,帮忙看下一个很诡异的问题 Posted by:drift_ice at 2007-04-17 21:03:06 > #include <math.h> > main() > { > int ax,bx,temp; > int k,wantedax; > while(scanf("%d%d",&ax,&bx)==2){ > > if(ax>bx){ > temp = bx; > bx = ax; > ax = temp; > } > > k = bx - ax; > wantedax = (floor)(k*(1.0+sqrt(5))/2.0 ); //如果换成 k*1.6180340 就不行 > if(ax==wantedax)printf("%d\n",0); > else printf("%d\n",1); > > } > } > > 为什么这样可以通过,而如果改成注释的值就是WA呢?想不明白啊 //应该是精度的问题呀. Followed by: Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator