CSES-1745 Money Sums

#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define fi first
#define se second
#define INF LONG_LONG_MAX/1000
#define WA() cin.tie(0)->sync_with_stdio(0)
#define all(x) (x).begin(), (x).end()
#define int long long
#define PII pair<int, int>

signed main() { WA();
    bitset<100001> bs; bs.set(0, 1);
    int n; for (cin >> n; n--;) {
        int x; cin >> x;
        bs |= bs << x;
    }
    cout << bs.count()-1 << '\n';
    for (int i = 1; i <= 100000; i++) if (bs[i]) cout << i << ' ';
}