結果
問題 | No.2364 Knapsack Problem |
ユーザー |
|
提出日時 | 2023-07-01 19:09:09 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 24 ms / 3,000 ms |
コード長 | 2,988 bytes |
コンパイル時間 | 2,025 ms |
コンパイル使用メモリ | 204,608 KB |
最終ジャッジ日時 | 2025-02-15 05:24:18 |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 20 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define SZ(x) (int) (x).size()#define REP(i, n) for(int i = 0; i < (n); i++)#define FOR(i, a, b) for(auto i = (a); i < (b); i++)#define For(i, a, b, c) \for(auto i = (a); i != (b); i += (c))#define REPR(i, n) for(auto i = (n) -1; i >= 0; i--)#define ALL(s) (s).begin(), (s).end()#define so(V) sort(ALL(V))#define rev(V) reverse(ALL(V))#define uni(v) v.erase(unique(ALL(v)), (v).end())#define eb emplace_backtypedef unsigned long long ull;typedef long long ll;typedef vector<int> vi;typedef vector<ll> vll;typedef vector<bool> vb;typedef vector<vi> vvi;typedef vector<vll> vvll;typedef pair<int, int> PI;typedef pair<ll, ll> PL;const double EPS = 1e-6;const int MOD = 1e9 + 7;const int INF = (1 << 30);const ll LINF = 1e18;const double math_PI = acos(-1);template<typename T>vector<T> make_v(size_t a) {return vector<T>(a);}template<typename T, typename... Ts>auto make_v(size_t a, Ts... ts) {return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));}template<typename T, typename V>typename enable_if<is_class<T>::value == 0>::type fill_v(T& t, const V& v) {t = v;}template<typename T, typename V>typename enable_if<is_class<T>::value != 0>::type fill_v(T& t, const V& v) {for(auto& e: t) fill_v(e, v);}template<class T>bool chmax(T& a, const T& b) {if(a < b) {a = b;return true;}return false;}template<class T>bool chmin(T& a, const T& b) {if(a > b) {a = b;return true;}return false;}template<typename S, typename T>istream& operator>>(istream& is, pair<S, T>& p) {cin >> p.first >> p.second;return is;}template<typename T>istream& operator>>(istream& is, vector<T>& vec) {for(T& x: vec) is >> x;return is;}template<typename T>string join(vector<T>& vec, string splitter) {stringstream ss;REP(i, SZ(vec)) {if(i != 0) ss << splitter;ss << vec[i];}return ss.str();}template<typename T>ostream& operator<<(ostream& os, vector<T>& vec) {os << join(vec, " ");return os;}int main() {cin.tie(nullptr);ios::sync_with_stdio(false);int N, M, W;cin >> N >> M >> W;vll A(N), B(N), C(M), D(M);cin >> A >> B >> C >> D;vector<PL> item, spell;REP(i, N) {item.emplace_back(A[i], B[i]);}REP(i, M) {spell.emplace_back(C[i], D[i]);}auto dp = make_v<bool>(1 << N, 1 << M);dp[0][0] = true;ll ans = 0;REP(a, 1 << N) {REP(b, 1 << M) {if(!dp[a][b]) continue;ll w = 0;ll v = 0;REP(i, N) {if(a >> i & 1) {w += item[i].first;v += item[i].second;}}REP(i, M) {if(b >> i & 1) {w -= spell[i].first;v -= spell[i].second;}}chmax(ans, v);REP(i, N) {if(a >> i & 1) continue;if(w + item[i].first <= W) {dp[a | (1 << i)][b] = true;}}REP(i, M) {if(b >> i & 1) continue;if(w >= spell[i].first) {dp[a][b | (1 << i)] = true;}}}}cout << ans << endl;return 0;}