結果

問題 No.2889 Rusk
ユーザー dyktr_06dyktr_06
提出日時 2024-09-13 21:42:49
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 86 ms / 2,000 ms
コード長 4,833 bytes
コンパイル時間 2,239 ms
コンパイル使用メモリ 206,620 KB
実行使用メモリ 23,604 KB
最終ジャッジ日時 2024-09-13 21:43:04
合計ジャッジ時間 6,211 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge4
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
5,248 KB
testcase_01 AC 2 ms
5,376 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 2 ms
5,376 KB
testcase_04 AC 2 ms
5,376 KB
testcase_05 AC 2 ms
5,376 KB
testcase_06 AC 2 ms
5,376 KB
testcase_07 AC 2 ms
5,376 KB
testcase_08 AC 3 ms
5,376 KB
testcase_09 AC 2 ms
5,376 KB
testcase_10 AC 2 ms
5,376 KB
testcase_11 AC 2 ms
5,376 KB
testcase_12 AC 2 ms
5,376 KB
testcase_13 AC 2 ms
5,376 KB
testcase_14 AC 6 ms
5,376 KB
testcase_15 AC 18 ms
6,484 KB
testcase_16 AC 39 ms
11,652 KB
testcase_17 AC 12 ms
5,488 KB
testcase_18 AC 31 ms
10,448 KB
testcase_19 AC 58 ms
17,100 KB
testcase_20 AC 70 ms
20,136 KB
testcase_21 AC 58 ms
17,124 KB
testcase_22 AC 52 ms
15,124 KB
testcase_23 AC 43 ms
12,596 KB
testcase_24 AC 74 ms
20,100 KB
testcase_25 AC 40 ms
12,324 KB
testcase_26 AC 58 ms
16,776 KB
testcase_27 AC 75 ms
20,640 KB
testcase_28 AC 46 ms
13,464 KB
testcase_29 AC 47 ms
13,820 KB
testcase_30 AC 47 ms
13,800 KB
testcase_31 AC 73 ms
20,464 KB
testcase_32 AC 33 ms
10,504 KB
testcase_33 AC 11 ms
5,376 KB
testcase_34 AC 84 ms
23,556 KB
testcase_35 AC 84 ms
23,600 KB
testcase_36 AC 83 ms
23,604 KB
testcase_37 AC 83 ms
23,480 KB
testcase_38 AC 83 ms
23,508 KB
testcase_39 AC 47 ms
21,636 KB
testcase_40 AC 38 ms
17,616 KB
testcase_41 AC 49 ms
22,608 KB
testcase_42 AC 36 ms
16,484 KB
testcase_43 AC 18 ms
9,452 KB
testcase_44 AC 44 ms
20,464 KB
testcase_45 AC 35 ms
16,188 KB
testcase_46 AC 12 ms
6,700 KB
testcase_47 AC 19 ms
9,972 KB
testcase_48 AC 39 ms
18,772 KB
testcase_49 AC 2 ms
5,376 KB
testcase_50 AC 2 ms
5,376 KB
testcase_51 AC 2 ms
5,376 KB
testcase_52 AC 2 ms
5,376 KB
testcase_53 AC 2 ms
5,376 KB
testcase_54 AC 86 ms
23,604 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include <bits/stdc++.h>

using namespace std;

#define overload4(_1, _2, _3, _4, name, ...) name
#define rep1(n) for(int i = 0; i < (int)(n); ++i)
#define rep2(i, n) for(int i = 0; i < (int)(n); ++i)
#define rep3(i, a, b) for(int i = (a); i < (int)(b); ++i)
#define rep4(i, a, b, c) for(int i = (a); i < (int)(b); i += (c))
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)

#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; --i)
#define ALL(a) (a).begin(), (a).end()
#define Sort(a) (sort((a).begin(), (a).end()))
#define RSort(a) (sort((a).rbegin(), (a).rend()))
#define UNIQUE(a) (a.erase(unique((a).begin(), (a).end()), (a).end()))

typedef long long int ll;
typedef unsigned long long ul;
typedef long double ld;
typedef vector<int> vi;
typedef vector<long long> vll;
typedef vector<char> vc;
typedef vector<string> vst;
typedef vector<double> vd;
typedef vector<long double> vld;
typedef pair<long long, long long> P;

template<class T> long long sum(const T& a){ return accumulate(a.begin(), a.end(), 0LL); }
template<class T> auto min(const T& a){ return *min_element(a.begin(), a.end()); }
template<class T> auto max(const T& a){ return *max_element(a.begin(), a.end()); }

const long long MINF = 0x7fffffffffff;
const long long INF = 0x1fffffffffffffff;
const long long MOD = 998244353;
const long double EPS = 1e-9;
const long double PI = acos(-1);

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

template<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p){ is >> p.first >> p.second; return is; }
template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){ os << "(" << p.first << ", " << p.second << ")"; return os; }
template<typename T> istream &operator>>(istream &is, vector<T> &v){ for(T &in : v) is >> in; return is; }
template<typename T> ostream &operator<<(ostream &os, const vector<T> &v){ for(int i = 0; i < (int) v.size(); ++i){ os << v[i] << (i + 1 != (int) v.size() ? " " : ""); } return os; }
template <typename T, typename S> ostream &operator<<(ostream &os, const map<T, S> &mp){ for(auto &[key, val] : mp){ os << key << ":" << val << " "; } return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; }
template <typename T> ostream &operator<<(ostream &os, queue<T> q){ while(q.size()){ os << q.front() << " "; q.pop(); } return os; }
template <typename T> ostream &operator<<(ostream &os, deque<T> q){ while(q.size()){ os << q.front() << " "; q.pop_front(); } return os; }
template <typename T> ostream &operator<<(ostream &os, stack<T> st){ while(st.size()){ os << st.top() << " "; st.pop(); } return os; }
template <class T, class Container, class Compare> ostream &operator<<(ostream &os, priority_queue<T, Container, Compare> pq){ while(pq.size()){ os << pq.top() << " "; pq.pop(); } return os; }

template<class T, class U> inline T vin(T& vec, U n) { vec.resize(n); for(int i = 0; i < (int) n; ++i) cin >> vec[i]; return vec; }
template<class T> inline void vout(T vec, string s = "\n"){ for(auto x : vec) cout << x << s; }
template<class... T> void in(T&... a){ (cin >> ... >> a); }
void out(){ cout << '\n'; }
template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; }
template<class T, class U> void inGraph(vector<vector<T>>& G, U n, U m, bool directed = false){ G.resize(n); for(int i = 0; i < m; ++i){ int a, b; cin >> a >> b; a--, b--; G[a].push_back(b); if(!directed) G[b].push_back(a); } }

void input(){
}

// 0 -> 1 -> 2 -> 1 -> 0
ll dp[200001][5];

// 0 -> 1 -> 0 -> 1 -> 0
ll dp2[200001][5];

void solve(){
    ll n; in(n);
    vector<vll> a(3, vll(n));
    rep(i, 3) in(a[i]);
    rep(i, n + 1) rep(j, 5) dp[i][j] = -INF;
    rep(i, n + 1) rep(j, 5) dp2[i][j] = -INF;
    dp[0][0] = dp2[0][0] = 0;
    rep(i, n){
        rep(j, 5){
            rep(k, j, 5){
                ll idx1 = k;
                if(k >= 3) idx1 = 4 - k;
                chmax(dp[i + 1][k], dp[i][j] + a[idx1][i]);
                chmax(dp2[i + 1][k], dp2[i][j] + a[k % 2][i]);
            }
        }
    }
    ll ans = 0;
    rep(i, 5) chmax(ans, max(dp[n][i], dp2[n][i]));
    out(ans);
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(20);

    input();
    solve();
}
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