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基本都是初始化问题吧

Posted by _Doraemon at 2010-07-30 15:06:26 on Problem 1703 
void makeSet(int x)
{
	for(int i=1;i<=MAXN;i++)
	{
		father[i] = i;
		num[i] =1;
		opp[i] = 0;
	}
}

尝试了给opp[i]各种初始化的方式 发现初始化为0 的都能AC
初始化为 -1的都WA 初始化为大的负数的竟然还RE，求大牛给出真相.
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