(贪心5.2.7)URAL 1025 Democracy in Danger

/*
* URAL_1025.cpp
*
*  Created on: 2013年10月11日
*      Author: Administrator
*/
#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;

const int maxn = 105;
int a[maxn];
int main(){
int n;
scanf("%d",&n);

int i;
for(i = 1 ; i <= n ; ++i){
scanf("%d",&a[i]);
}

sort(a+1,a+1+n);

int sum = 0;
for(i = 1 ; i <= (n/2+1) ; ++i ){
sum += (a[i]/2 + 1);
}

printf("%d\n",sum);

return 0;
}