#include <stdio.h>
#include <algorithm>

using namespace std;

int N;
int D[250000];

int main (){
	int i;
	
	scanf ( "%d", &N );
	for (i=0; i<N; i++) scanf ( "%d", &D[i] );
	
	sort ( D, D+N );
	
	if (N%2) printf ( "%d", D[N/2] );
	else{
		if ((D[N/2]+D[N/2-1])%2==0) printf ( "%d", (D[N/2]+D[N/2-1])/2 );
		else printf ( "%.1lf", (double)(D[N/2]+D[N/2-1])/2 );
	}
	
	return 0;
}

• overflow... (452) frkstyc 2005-12-25 22:52:19
  • Re:overflow... (0) songuno1 2005-12-26 09:23:52
    • Re:overflow... (0) songuno1 2005-12-26 09:23:58
  • Re:overflow... (0) songuno1 2005-12-26 09:24:30
  • Thenk you for your advise., BUT... (36) songuno1 2005-12-26 09:25:31
    • arithmetic overflow... (44) frkstyc 2005-12-26 10:03:25
    • Re:Thenk you for your advise., BUT... (44) pjsdream 2006-01-19 09:39:42
      • Re:Thenk you for your advise., BUT... (42) Saffron_ 2008-01-20 17:41:15
    • use "unsigned int" ... (114) pjsdream 2006-01-19 09:48:22
      • thanks a lot~我也是这个错误，呵呵。 (122) yangguo981 2006-06-04 18:11:06
• Re:What's Wrong? (11) sza 2006-02-19 01:25:49
  • Re:What's Wrong? (20) chgsh8089 2006-04-04 00:45:20
• Re:What's Wrong? (452) labor 2008-10-15 22:29:55
• Re:What's Wrong? (6) labor 2008-10-15 22:30:12