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都文件输入输出了In Reply To:总是WA.. Posted by:perturbation at 2005-07-07 17:02:38 > #include <fstream>
> using namespace std;
> void main(){
> int Stan=0,Ollie=0;
> int x[200000],y[200000],cx,cy;
> int len;
> ifstream finput("input.txt");
> finput>>len;
> for(int i=1;i<=len;i++){
> finput>>x[i]>>y[i];
> }
> finput.close();
> cx=x[(len+1)/2];
> cy=y[(len+1)/2];
> for(i=1;i<=len;i++){
> if((x[i]>cx&&y[i]>cy)||(x[i]<cx&&y[i]<cy))
> Stan++;
> else if((x[i]>cx&&y[i]<cy)||(x[i]<cx&&y[i]>cy))
> Ollie++;
> }
> ofstream foutput("output.txt");
> foutput<<Stan<<' '<<Ollie;
> foutput.close();
> }
>
> 哪里出问题了啊？
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