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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; } Followed by:
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