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- #include <bits/stdc++.h>
- #define nl "\n"
- #define fi first
- #define se second
- #define pi 3.14159
- #define ll long long
- #define odd(a) (a&1)
- #define even(a) !(a&1)
- #define Mod 1'000'000'007
- #define INF 2'000'000'000
- #define sz(x) int(x.size())
- #define charToInt(s) (s - '0')
- #define ull unsigned long long
- #define all(s) s.begin(), s.end()
- #define rall(v) v.rbegin() , v.rend()
- #define fixed(n) fixed << setprecision(n)
- #define Num_of_Digits(n) ((int)log10(n) + 1)
- #define to_decimal(bin) stoll(bin, nullptr, 2)
- #define Ceil(n, m) (((n) / (m)) + ((n) % (m) ? 1 : 0))
- #define Floor(n, m) (((n) / (m)) - ((n) % (m) ? 0 : 1))
- #define Upper(s) transform(all(s), s.begin(), ::toupper);
- #define Lower(s) transform(all(s), s.begin(), ::tolower);
- #define cout_map(mp) for(auto& [f, s] : mp) cout << f << " " << s << "\n";
- // ----- bits-------
- #define pcnt(n) __builtin_popcount(n)
- #define pcntll(n) __builtin_popcountll(n)
- #define clz(n) __builtin_clz(n) // <---100
- #define clzll(n) __builtin_clzll(n)
- #define ctz(n) __builtin_ctz(n) // 0001---->
- #define ctzll(n) __builtin_ctzll(n)
- using namespace std;
- template < typename T = int > istream& operator >> (istream &in, vector < T > & v){
- for(auto & x : v) in >> x;
- return in;
- }
- template < typename T = int > ostream& operator << (ostream &out, const vector < T > & v){
- for(const T & x : v) out << x << " ";
- return out;
- }
- #include <bits/stdc++.h>
- #include <ext/pb_ds/assoc_container.hpp>
- #include <ext/pb_ds/tree_policy.hpp>
- using namespace std;
- using namespace __gnu_pbds;
- template <typename K, typename V, typename Comp = std::less<K>>
- using ordered_map = tree<K, V, Comp, rb_tree_tag, tree_order_statistics_node_update>;
- template <typename K, typename Comp = std::less<K>>
- using ordered_set = ordered_map<K, null_type, Comp>;
- template <typename K, typename V, typename Comp = std::less_equal<K>>
- using ordered_multimap = tree<K, V, Comp, rb_tree_tag, tree_order_statistics_node_update>;
- template <typename K, typename Comp = std::less_equal<K>>
- using ordered_multiset = ordered_multimap<K, null_type, Comp>;
- void esraa()
- {
- 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
- }
- ll n;
- vector < ll > v;
- bool rec(ll i , ll target , ll sum){
- // base case
- if(i == n){
- if(sum == target) return true;
- return false;
- }
- // recursive case
- return rec(i + 1 , target , sum + v[i]) || rec(i + 1 , target , sum - v[i]) ;
- }
- void solve(){
- ll target;
- cin >> n >> target;
- v.resize(n);
- cin >> v;
- cout << (rec(0 , target , 0) ? "YES" : "NO") << nl;
- }
- int main()
- {
- esraa();
- int t = 1;
- //cin >> t;
- while(t--)
- solve();
- return 0;
- }
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