79831

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
79831	sh25_zhuhy	双面打印	C++	Accepted	0 MS	248 KB	160	2026-01-04 14:46:06

#include<bits/stdc++.h> using namespace std; int main() { int a,b; cin>>a; if(a%2==0) cout<<a/2; else cout<<(a+1)/2; }