結果
問題 | No.1368 サイクルの中に眠る門松列 |
ユーザー | yuto1115 |
提出日時 | 2021-01-29 21:38:38 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 60 ms / 2,000 ms |
コード長 | 3,751 bytes |
コンパイル時間 | 2,133 ms |
コンパイル使用メモリ | 207,620 KB |
実行使用メモリ | 9,536 KB |
最終ジャッジ日時 | 2024-06-27 07:50:10 |
合計ジャッジ時間 | 3,634 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 | 1 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 27 ms
6,940 KB |
testcase_03 | AC | 8 ms
6,940 KB |
testcase_04 | AC | 13 ms
6,944 KB |
testcase_05 | AC | 60 ms
9,452 KB |
testcase_06 | AC | 59 ms
9,468 KB |
testcase_07 | AC | 57 ms
9,524 KB |
testcase_08 | AC | 59 ms
9,472 KB |
testcase_09 | AC | 57 ms
9,416 KB |
testcase_10 | AC | 58 ms
9,480 KB |
testcase_11 | AC | 58 ms
9,536 KB |
testcase_12 | AC | 58 ms
9,308 KB |
testcase_13 | AC | 57 ms
9,452 KB |
testcase_14 | AC | 58 ms
9,324 KB |
testcase_15 | AC | 59 ms
9,448 KB |
ソースコード
//@formatter:off #include<bits/stdc++.h> #define overload4(_1,_2,_3,_4,name,...) name #define rep1(i,n) for (ll i = 0; i < ll(n); ++i) #define rep2(i,s,n) for (ll i = ll(s); i < ll(n); ++i) #define rep3(i,s,n,d) for(ll i = ll(s); i < ll(n); i+=d) #define rep(...) overload4(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__) #define rrep(i,n) for (ll i = ll(n)-1; i >= 0; i--) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define popcount(x) __builtin_popcount(x) #define pb push_back #define eb emplace_back #ifdef __LOCAL #define debug(...) { cout << #__VA_ARGS__; cout << ": "; print(__VA_ARGS__); cout << flush; } #else #define debug(...) void(0) #endif #define INT(...) int __VA_ARGS__;scan(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__) #define STR(...) string __VA_ARGS__;scan(__VA_ARGS__) #define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__) #define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__) #define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__) using namespace std; using ll = long long; using ld = long double; using P = pair<int,int>; using LP = pair<ll,ll>; using vi = vector<int>; using vvi = vector<vector<int>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using vd = vector<double>; using vvd = vector<vector<double>>; using vs = vector<string>; using vc = vector<char>; using vvc = vector<vector<char>>; using vb = vector<bool>; using vvb = vector<vector<bool>>; using vp = vector<P>; using vvp = vector<vector<P>>; template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; } template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; } template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; } template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']'; } template<class T> bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;} template<class T> bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;} void scan(){} template <class Head, class... Tail> void scan(Head& head, Tail&... tail){ cin >> head; scan(tail...); } template<class T> void print(const T& t){ cout << t << '\n'; } template <class Head, class... Tail> void print(const Head& head, const Tail&... tail){ cout<<head<<' '; print(tail...); } const string yes[] = {"no","yes"}; const string Yes[] = {"No","Yes"}; const string YES[] = {"NO","YES"}; const int inf = 1001001001; const ll linf = 1001001001001001001; //@formatter:on ll dp[200010][3]; void solve() { auto OK = [&](vi v) { if (v[0] == v[1] or v[1] == v[2] or v[2] == v[0]) return false; if (v[0] > v[1] and v[2] > v[1]) return true; if (v[0] < v[1] and v[2] < v[1]) return true; return false; }; INT(n); vi a(n); cin >> a; vi ok(n + 1); rep(i, n) { vi v; rep(j, 3) v.pb(a[(i + j) % n]); if (OK(v)) ok[i] = a[i]; } ll ans = 0; rep(i, 3) { ll now = ok[n - i]; rep(j, n + 1) rep(k, 3) dp[j][k] = -1; int st = 0; if (i > 0) st = 3 - i; dp[st][0] = 0; rep(j, st, n - i) rep(k, 3) { if (dp[j][k] < 0) continue; chmax(dp[j + 1][max(0LL, k - 1)], dp[j][k]); if (!k and j + 3 <= n - i) chmax(dp[j + 1][2], dp[j][k] + ok[j]); } now += max({dp[n - i][0], dp[n - i][1], dp[n - i][2]}); debug(now); chmax(ans, now); } print(ans); } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int t; cin >> t; rep(i, t) solve(); }