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那这样做有什么问题呢???

Posted by crackerwang at 2007-09-29 07:50:37 on Problem 3399
In Reply To:sigh...一天到晚就只想着数据…… Posted by:frkstyc at 2007-09-29 01:47:15

		sort(a,a+n);
		i=0;
		j=n-1;
		while(k)
		{
			if(k>=2)
			{
				t1=a[i]*a[i+1];
				t2=a[j]*a[j-1];
				if(t1>=t2)
				{
					flag[i]=flag[i+1]=1;
					i=i+2;
				}
				else
				{
					flag[j]=flag[j-1]=1;
					j-=2;
				}
				k-=2;
			}
			else
			{
				flag[j]=1;
				k=0;
			}
		}

Followed by:

继续求数据!!!!!!!!!!!! (368) crackerwang 2007-09-29 08:00:57
- 终于过了.其间无数WA,好几个RE,还有TLE,给WA的几个数据吧 (47) crackerwang 2007-10-01 00:12:37
  - THX~ (57) 00448247 2011-07-04 00:38:22

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