結果
問題 | No.2889 Rusk |
ユーザー | hibit_at |
提出日時 | 2024-09-13 22:00:19 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 311 ms / 2,000 ms |
コード長 | 5,368 bytes |
コンパイル時間 | 1,260 ms |
コンパイル使用メモリ | 117,088 KB |
実行使用メモリ | 36,128 KB |
最終ジャッジ日時 | 2024-09-13 22:00:34 |
合計ジャッジ時間 | 8,939 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 2 ms
5,376 KB |
testcase_09 | AC | 3 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 | 12 ms
5,376 KB |
testcase_15 | AC | 47 ms
8,508 KB |
testcase_16 | AC | 121 ms
16,872 KB |
testcase_17 | AC | 34 ms
6,876 KB |
testcase_18 | AC | 100 ms
14,644 KB |
testcase_19 | AC | 191 ms
25,528 KB |
testcase_20 | AC | 260 ms
30,732 KB |
testcase_21 | AC | 193 ms
25,544 KB |
testcase_22 | AC | 164 ms
22,260 KB |
testcase_23 | AC | 130 ms
18,208 KB |
testcase_24 | AC | 234 ms
30,292 KB |
testcase_25 | AC | 128 ms
18,052 KB |
testcase_26 | AC | 186 ms
24,940 KB |
testcase_27 | AC | 268 ms
31,412 KB |
testcase_28 | AC | 143 ms
19,716 KB |
testcase_29 | AC | 149 ms
20,452 KB |
testcase_30 | AC | 147 ms
20,172 KB |
testcase_31 | AC | 239 ms
31,020 KB |
testcase_32 | AC | 104 ms
15,088 KB |
testcase_33 | AC | 29 ms
6,400 KB |
testcase_34 | AC | 311 ms
36,128 KB |
testcase_35 | AC | 282 ms
36,068 KB |
testcase_36 | AC | 284 ms
35,996 KB |
testcase_37 | AC | 285 ms
35,996 KB |
testcase_38 | AC | 301 ms
35,996 KB |
testcase_39 | AC | 122 ms
33,040 KB |
testcase_40 | AC | 99 ms
26,472 KB |
testcase_41 | AC | 128 ms
34,360 KB |
testcase_42 | AC | 89 ms
24,648 KB |
testcase_43 | AC | 43 ms
13,136 KB |
testcase_44 | AC | 114 ms
31,060 KB |
testcase_45 | AC | 88 ms
24,408 KB |
testcase_46 | AC | 25 ms
9,228 KB |
testcase_47 | AC | 46 ms
14,048 KB |
testcase_48 | AC | 103 ms
28,224 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 | 301 ms
35,996 KB |
ソースコード
#include <algorithm> #include <iostream> #include <iomanip> #include <limits.h> #include <map> #include <math.h> #include <numeric> #include <queue> #include <set> #include <sstream> #include <string> #include <utility> #include <vector> #include <stack> #include <complex> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) #define rep1(i, n) for (int i = 1; i < n + 1; i++) #define rev(i, n) for (int i = n - 1; i >= 0; i--) #define all(A) A.begin(), A.end() #define itr(A, l, r) A.begin() + l, A.begin() + r #define debug(var) cout << #var << " = " << var << endl; typedef long long ll; template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << "(" << p.first << "," << p.second << ")"; return os; } template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; 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> ostream &operator<<(ostream &os, const vector<vector<T>> &v) { for (int i = 0; i < (int)v.size(); i++) { os << v[i] << endl; } return os; } template <typename T> ostream &operator<<(ostream &os, const vector<vector<vector<T>>> &v) { int n = v.size(); int m = v[0].size(); int p = v[0][0].size(); rep(k, p) { os << "k = " << k << endl; rep(i, n) { rep(j, m) { os << v[i][j][k]; if (j < m - 1) { os << " "; } else { os << endl; } } } } return os; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (T &in : v) is >> in; return is; } template <typename T, typename S> ostream &operator<<(ostream &os, map<T, S> &mp) { for (auto &[key, val] : mp) { os << key << ":" << val << " "; } cout << endl; return os; } template <typename T> ostream &operator<<(ostream &os, 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, 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 <typename T> ostream &operator<<(ostream &os, priority_queue<T> pq) { while (pq.size()) { os << pq.top() << " "; pq.pop(); } return os; } template <typename T> ostream &operator<<(ostream &os, priority_queue<T, vector<T>, greater<T>> mpq) { while (mpq.size()) { os << mpq.top() << " "; mpq.pop(); } return os; } int main(){ int n; cin >> n; vector<vector<ll>> a(3,vector<ll>(n)); cin >> a; // cout << a << endl; vector<vector<ll>> dp(n+1,vector<ll>(5,-1)); vector<ll> valid = {0,1,2,1,0}; dp[0][0] = 0; rep(i,n){ rep(now_state,5){ if(dp[i][now_state] == -1){ continue; } auto chmax = [](auto &a, auto b) { a = max(a, b); }; chmax(dp[i+1][now_state],dp[i][now_state]+a[valid[now_state]][i]); if(now_state+1<5){ int next_state = now_state+1; chmax(dp[i+1][next_state],dp[i][now_state]+a[valid[next_state]][i]); } if(now_state+2<5){ int next_state = now_state+2; chmax(dp[i+1][next_state],dp[i][now_state]+a[valid[next_state]][i]); } } } // cout << dp << endl; vector<vector<ll>> ep(n+1,vector<ll>(5,-1)); ep[0][0] = 0; valid = {0,1,0,1,0}; rep(i,n){ rep(now_state,5){ if(ep[i][now_state] == -1){ continue; } auto chmax = [](auto &a, auto b) { a = max(a, b); }; chmax(ep[i+1][now_state],ep[i][now_state]+a[valid[now_state]][i]); if(now_state+1<5){ int next_state = now_state+1; chmax(ep[i+1][next_state],ep[i][now_state]+a[valid[next_state]][i]); } if(now_state+2<5){ int next_state = now_state+2; chmax(ep[i+1][next_state],ep[i][now_state]+a[valid[next_state]][i]); } } } // cout << ep << endl; ll d_max = *max_element(all(dp[n])); ll e_max = *max_element(all(ep[n])); cout << max(d_max,e_max) << endl; }