#include<iostream> #include<cstdio> using namespace std; int main(){ int n,a,b; cin >> n; a=n/2; if (n%2==1){ b=a+1; cout <<b; }else { cout << a; } }

n = int(input()) a = n/2 ans = int(a) if a == ans: print(ans) else: s = int(a) x = s+1 print(x)

很简单