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- #include <iostream>
- #include <iomanip>
- #include <vector>
- #include <string>
- #include <queue>
- #include <map>
- #include <set>
- #include <string>
- #include <algorithm>
- #include <cmath>
- #include <unordered_map>
- #include <unordered_set>
- using namespace std;
- #define ll long long
- #define nl endl
- #define cy cout << "YES\n"
- #define cn cout << "NO\n"
- #define sz(s) s.size()
- #define allv v.begin(), v.end()
- #define cin(vec) for (int i = 0; i < n && cin >> vec[i]; i++)
- void sherry()
- {
- ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
- #ifndef ONLINE_JUDGE
- freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
- #endif
- }
- int n;
- ll x;
- vector<ll> v;
- bool rec(int i, ll sum)
- {
- if (i > n)
- return 0;
- if (i == n)
- {
- return sum == x;
- }
- return rec(i + 1, sum + v[i]) || rec(i + 1, sum - v[i]);
- }
- void solve()
- {
- cin >> n >> x;
- v = vector<ll>(n);
- cin(v);
- rec(0, 0) ? cy : cn;
- }
- int main()
- {
- sherry();
- ll t = 1;
- // cin >> t;
- while (t--)
- {
- solve();
- }
- return 0;
- }
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