Submission #1555416

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Source Code Expand

#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <cstring>
#include <map>
#include <queue>
#include <cmath>
#include <complex> // complex<double> a(1.2 , 2.3);// real(): 1.2, imag()2.3
using namespace std;

#define MOD 1000000007
#define ll long long
#define ld long double
#define FOR(i,a,b) for(ll i=(ll)a;i<(ll)b;i++)
#define rep(i,n) FOR(i,0,n)
#define pb push_back
#define mp make_pair
#define all(s) a.begin(),a.end()
#define rall(s) a.rbegin(),a.rend()
#define rmsame(a) a.erase(unique(all(a)), a.end())
int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);

  ll n;
  cin >> n;
  n++;
cout << n/2 << endl;
  
  return 0;
}

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