天梯赛 L2-017 人以群分

很简单的一道排序计算题

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define int long long
typedef long long ll;
const int N = 1e5 + 10;
const int mod = 998244353;
void solve() {
	int n;
	cin>>n;
	vector<int> a(n+1);
	int sum = 0;	//记录总和
	for(int i = 1 ; i <= n ; i++){
		cin>>a[i];
		sum += a[i];
	}
	sort(a.begin()+1,a.end());
	int sum1 = 0;
	for(int i = 1 ; i <= n/2 ; i++){
		sum1 += a[i];
	}
	cout<<"Outgoing #: "<<(n+1)/2<<endl;
	cout<<"Introverted #: "<<n/2<<endl;
	cout<<"Diff = "<<sum-2*sum1<<endl;
}
 signed main() {
    // ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int tt = 1;
    // cin >> tt;
    while (tt--) {
        solve();
    }
    return 0;
}