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AC感觉好怪啊!为什么啊?

Posted by yzzhoo0 at 2010-06-09 12:06:36 on Problem 2002
开始时我的枚举这是这样的
for(int i=0;i<n;i++)
   for(int j=i+1;j<n;j++)
然后除2
总是WA
后来我改为下面这样就AC
for(int i=0;i<n;i++)
   for(int j=0;j<n;i++)
      if(i==j)
      {
        continue;
      }
然后所得的结果除4
郁闷这两种不是一样的嘛,为什么下面的就AC啊?????

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