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ac了In Reply To:开始害怕会TLE,所也加了一些剪枝条件,结果却是WA,最后直接做却AC Posted by:042622 at 2006-09-10 15:07:18 #include<iostream.h>
#include<math.h>
int main()
{
double a[16][3];
int i,j;
for(i=0;i<16;i++)
{
for(j=0;j<3;j++)
{
cin>>a[i][j];
}
}
double b[3];
while(cin>>b[0])
{
cin>>b[1]>>b[2];
if(b[0]==-1&&b[1]==-1&&b[2]==-1)break;
int rem;
double com=0,check=0;
rem=0;
for(j=0;j<3;j++)
com+=(a[0][j]-b[j])*(a[0][j]-b[j]);
com=sqrt(com);
//cout<<com<<endl;
for(i=1;i<16;i++)
{
check=0;
for(j=0;j<3;j++)
{
check+=(b[j]-a[i][j])*(b[j]-a[i][j]);
}
check=sqrt(check);
if(check<com)
{
rem=i;
com=check;
}
}
/*//cout<<'(';
//for(j=0;j<3;j++)
cout<<b[j]<<',';
cout<<") maps to (";
for(j=0;j<3;j++)
cout<<a[rem][j]<<',';
cout<<')'<<endl;;*/
cout<<"("<<b[0]<<","<<b[1]<<","<<b[2]<<") maps to ("<<a[rem][0]<<","<<a[rem][1]<<","<<a[rem][2]<<")"<<endl;
}
return 0;
}
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