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好心人看一下^^--Time limit咋办?

Posted by zhaohuazhaoshi at 2005-03-21 16:57:30 on Problem 1828
#include<iostream.h>
void main()
{
	int a[50000],b[50000],i,n,j,p,q;
	while(1)
	{
		p=0,q=0;
		cin>>n;
		if(n==0)
			break;
		for(i=0;i<n;i++)
			cin>>a[i]>>b[i];
		for(i=0;i<n;i++)
		{
			p=0;
			for(j=0;j<n;j++)
				if((a[j]>=a[i])&&(b[j]>=b[i]))
					p++;
				
			if(--p==0)
				q++;
		}
		cout<<q<<endl;
	}
}

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