結果
問題 | No.1538 引きこもりさんは引き算が得意。 |
ユーザー |
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提出日時 | 2021-06-06 20:21:49 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 85 ms / 2,000 ms |
コード長 | 3,801 bytes |
コンパイル時間 | 2,635 ms |
コンパイル使用メモリ | 208,484 KB |
最終ジャッジ日時 | 2025-01-22 04:30:21 |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 54 |
ソースコード
#define MOD_TYPE 2#pragma region Macros#include <bits/stdc++.h>using namespace std;#if 0#include <boost/multiprecision/cpp_int.hpp>#include <boost/multiprecision/cpp_dec_float.hpp>using Int = boost::multiprecision::cpp_int;using lld = boost::multiprecision::cpp_dec_float_100;#endif#if 1#pragma GCC target("avx2")#pragma GCC optimize("O3")#pragma GCC optimize("unroll-loops")#endifusing ll = long long int;using ld = long double;using pii = pair<int, int>;using pll = pair<ll, ll>;using pld = pair<ld, ld>;template <typename Q_type>using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>;constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353);constexpr int INF = (int)1e9 + 10;constexpr ll LINF = (ll)4e18;constexpr ld PI = acos(-1.0);constexpr ld EPS = 1e-7;constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0};constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0};#define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i)#define rep(i, n) REP(i, 0, n)#define REPI(i, m, n) for (int i = m; i < (int)(n); ++i)#define repi(i, n) REPI(i, 0, n)#define MP make_pair#define MT make_tuple#define YES(n) cout << ((n) ? "YES" : "NO") << "\n"#define Yes(n) cout << ((n) ? "Yes" : "No") << "\n"#define possible(n) cout << ((n) ? "possible" : "impossible") << "\n"#define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n"#define all(v) v.begin(), v.end()#define NP(v) next_permutation(all(v))#define dbg(x) cerr << #x << ":" << x << "\n";struct io_init{io_init(){cin.tie(0);ios::sync_with_stdio(false);cout << setprecision(30) << setiosflags(ios::fixed);};} io_init;template <typename T>inline bool chmin(T &a, T b){if (a > b){a = b;return true;}return false;}template <typename T>inline bool chmax(T &a, T b){if (a < b){a = b;return true;}return false;}inline ll CEIL(ll a, ll b){return (a + b - 1) / b;}template <typename A, size_t N, typename T>inline void Fill(A (&array)[N], const T &val){fill((T *)array, (T *)(array + N), val);}template <typename T, typename U>constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept{is >> p.first >> p.second;return is;}template <typename T, typename U>constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept{os << p.first << " " << p.second;return os;}#pragma endregion// --------------------------------------void calc(vector<ll> &a, set<ll> &res, set<ll> &p, set<ll> &m){int n = a.size();REP(msk, 1, 1 << n){for (int msk2 = msk; msk2 > 0; msk2 = (msk2 - 1) & msk){ll sum = 0;rep(i, n){if (!(msk & (1 << i)))continue;if (msk2 & (1 << i))sum += a[i];elsesum -= a[i];}if (msk2 == msk)p.insert(sum), m.insert(-sum);elseres.insert(sum);}}}void solve(){int n;ll k;cin >> n >> k;vector<ll> a(n);vector<ll> L, R;rep(i, n){cin >> a[i];if (a[i] == k){Yes(1);return;}if (i < n / 2)L.push_back(a[i]);elseR.push_back(a[i]);}set<ll> X, Y, p[2], m[2];calc(L, X, p[0], m[0]), calc(R, Y, p[1], m[1]);for (auto t : X){if (Y.count(k - t) or p[1].count(k - t) or m[1].count(k - t)){Yes(1);return;}}for (auto t : Y){if (X.count(k - t) or p[0].count(k - t) or m[0].count(k - t)){Yes(1);return;}}for (auto t : p[0]){if (m[1].count(k - t)){Yes(1);return;}}for (auto t : p[1]){if (m[0].count(k - t)){Yes(1);return;}}Yes(X.count(k) or Y.count(k));}int main(){solve();}