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Re:用G++报WA,后将double换成 long double仍WA,无奈,试了一下C++,竟AC了,无语。。。In Reply To:用G++报WA,后将double换成 long double仍WA,无奈,试了一下C++,竟AC了,无语。。。 Posted by:jiyanmoyu at 2009-08-12 20:08:44 代码 #include<stdio.h> #include<math.h> const long double PI=acos(-1.0); int main() { int t,i,n; long double R,m; scanf("%d",&t); for(i=1;i<=t;++i) { scanf("%Lf%d",&R,&n); m=sin(PI/n); printf("Scenario #%d:\n%.3Lf\n\n",i,m*R/(1.0+m)); } return 0; } Followed by:
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