刹那(｡･∀･)ﾉﾞ · 发布于 2022-11-07 · 浏览 717 回复 0

#include <iostream>

using namespace std;

int jiou(int a)
{
	if(a%2==0)
		return a/2;
	else
		return (a+1)/2;
}

int main ()
{
	int a;
	cin>>a;
	cout<<jiou(a);
	return 0;
}