結果
問題 | No.2423 Merge Stones |
ユーザー | akiaa11 |
提出日時 | 2023-08-12 17:00:34 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 463 ms / 4,000 ms |
コード長 | 3,753 bytes |
コンパイル時間 | 4,476 ms |
コンパイル使用メモリ | 265,816 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-20 06:55:05 |
合計ジャッジ時間 | 29,117 ms |
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 * 1 |
other | AC * 72 |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<(int)n;++i) #define rep2(i,a,n) for(int i=(int)a;i<(int)n;++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)n-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)n-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif using namespace std; using namespace atcoder; using ll=long long; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} constexpr ll INF=numeric_limits<ll>::max() / 4; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n, k;cin>>n>>k; veci a(n), c(n); rep(i, n) cin>>a[i]; rep(i, n) cin>>c[i]; vector dp(n, vecll(n + 1, 0)); rep(i, n - 1) dp[i][i + 1] = 1LL << c[i]; dp[n - 1][0] = 1LL << c[n - 1]; auto f = [&](int l, int r, int m){ rep(i, 1, m){ rep(j, k + 1){ dp[l][r] |= dp[l][(l + i) % n] & (dp[(l + i) % n][r] << j); dp[l][r] |= dp[l][(l + i) % n] & (dp[(l + i) % n][r] >> j); dp[l][r] |= (dp[l][(l + i) % n] << j) & dp[(l + i) % n][r]; dp[l][r] |= (dp[l][(l + i) % n] >> j) & dp[(l + i) % n][r]; } } }; rep(w, 1, n + 1){ rep(l, n){ int r = (l + w) % n; f(l, r, w); } } vecll s(2 *n); rep(i, 2 * n) s[i] = a[i % n] + (i > 0 ? s[i - 1] : 0); ll ans = 0; rep(i, n) rep(j, n + 1) if(dp[i][j]){ if(i < j) chmax(ans, (j > 0 ? s[j - 1] : 0) - (i > 0 ? s[i - 1] : 0)); else chmax(ans, s[n + j - 1] - (i > 0 ? s[i - 1] : 0)); } cout<<ans<<endl; }