1113 - 判断奇偶性

#include<stdio.h>
int main()
{
	int a,b,c;
	scanf("%d",&a);
	if(a%2==0)
	{
		b=a/2;
		printf("%d",b);
	}
	if(a%2!=0)
	{
		c=(a+1)/2;
		printf("%d",c);
	}
	return 0;
}