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这程序究竟怎么了????????????????????????????????????????????????????极度不爽中

Posted by iowyh at 2005-10-02 14:12:57 on Problem 2623
#include<stdlib.h>


int cmp(void const *a,void const *b)
{
    return *(long *)a-*(long *)b;
}


void main()
{
	long num[250000];
	int m,i;
	scanf("%d",&m);
	for(i=0;i<m;i++)
		scanf("%ld",&num[i]);
	qsort(num,m,sizeof(long),cmp);
	if(m%2!=0)
		printf("%.1f\n",(float)num[m/2]);
	else
		printf("%.1f\n",(float)(num[m/2-1]+num[m/2])/2.0);
}


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