結果

問題 No.2889 Rusk
コンテスト
ユーザー MMRZ
提出日時 2024-09-13 21:56:28
言語 C++23
(gcc 15.2.0 + boost 1.89.0)
コンパイル:
g++-15 -O2 -lm -std=c++23 -Wuninitialized -DONLINE_JUDGE -o a.out _filename_
実行:
./a.out
結果
WA  
実行時間 -
コード長 3,102 bytes
記録
記録タグの例:
初AC ショートコード 純ショートコード 純主流ショートコード 最速実行時間
コンパイル時間 2,681 ms
コンパイル使用メモリ 338,904 KB
実行使用メモリ 8,064 KB
最終ジャッジ日時 2026-04-04 08:07:25
合計ジャッジ時間 5,399 ms
ジャッジサーバーID
（参考情報） 		judge2_0 / judge4_0
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 51 WA * 1
権限があれば一括ダウンロードができます
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/vector:67,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/functional:66,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/x86_64-pc-linux-gnu/bits/stdc++.h:55,
                 from main.cpp:1:
In function '_ForwardIterator std::uninitialized_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = long long int*; _ForwardIterator = long long int*]',
    inlined from 'constexpr _ForwardIterator std::__uninitialized_copy_a(_InputIterator, _Sentinel, _ForwardIterator, allocator<_Tp>&) [with _InputIterator = long long int*; _Sentinel = long long int*; _ForwardIterator = long long int*; _Tp = long long int]' at /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/stl_uninitialized.h:635:32,
    inlined from 'constexpr std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]' at /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/vector.tcc:257:35,
    inlined from 'void SOLVE()' at main.cpp:71:9:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/stl_uninitialized.h:273:31: warning: 'void* __builtin_memcpy(void*, const void*, long unsigned int)' writing between 1 and 40 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
  273 |               __builtin_memcpy(std::__niter_base(__result),
      |               ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  274 |                                std::__niter_base(__first),
      |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~
  275 |                                __n * sizeof(_ValT));
      |                                ~~~~~~~~~~~~~~~~~~~~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/x86_64-pc-linux-gnu/bits/c++allocato

ソースコード

diff #
raw source code 

# include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
const double pi = acos(-1);
template<class T>constexpr T inf() { return ::std::numeric_limits<T>::max(); }
template<class T>constexpr T hinf() { return inf<T>() / 2; }
template <typename T_char>T_char TL(T_char cX) { return tolower(cX); }
template <typename T_char>T_char TU(T_char cX) { return toupper(cX); }
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; }
int popcnt(unsigned long long n) { int cnt = 0; for (int i = 0; i < 64; i++)if ((n >> i) & 1)cnt++; return cnt; }
int d_sum(ll n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; }return ret; }
int d_cnt(ll n) { int ret = 0; while (n > 0) { ret++; n /= 10; }return ret; }
ll gcd(ll a, ll b) { if (b == 0)return a; return gcd(b, a%b); };
ll lcm(ll a, ll b) { ll g = gcd(a, b); return a / g*b; };
ll MOD(ll x, ll m){return (x%m+m)%m; }
ll FLOOR(ll x, ll m) {ll r = (x%m+m)%m; return (x-r)/m; }
template<class T> using dijk = priority_queue<T, vector<T>, greater<T>>;
# define all(qpqpq)           (qpqpq).begin(),(qpqpq).end()
# define UNIQUE(wpwpw)        (wpwpw).erase(unique(all((wpwpw))),(wpwpw).end())
# define LOWER(epepe)         transform(all((epepe)),(epepe).begin(),TL<char>)
# define UPPER(rprpr)         transform(all((rprpr)),(rprpr).begin(),TU<char>)
# define rep(i,upupu)         for(ll i = 0, i##_len = (upupu);(i) < (i##_len);(i)++)
# define reps(i,opopo)        for(ll i = 1, i##_len = (opopo);(i) <= (i##_len);(i)++)
# define len(x)                ((ll)(x).size())
# define bit(n)               (1LL << (n))
# define pb push_back
# define exists(c, e)         ((c).find(e) != (c).end())

struct INIT{
	INIT(){
		std::ios::sync_with_stdio(false);
		std::cin.tie(0);
		cout << fixed << setprecision(20);
	}
}INIT;

namespace mmrz {
	void solve();
}

int main(){
	mmrz::solve();
}
#define debug(...) (static_cast<void>(0))

using namespace mmrz;

void SOLVE(){
	int n;
	cin >> n;
	vector<ll> a(n), b(n), c(n);
	for(auto &x : a)cin >> x;
	for(auto &x : b)cin >> x;
	for(auto &x : c)cin >> x;
	ll ans = 0;
	{
		vector dp(5, 0LL);
		rep(i, n){
			vector ndp(5, 0LL);
			chmax(ndp[0], dp[0] + a[i]);
			chmax(ndp[1], dp[0] + b[i]);
			chmax(ndp[1], dp[1] + b[i]);
			chmax(ndp[2], dp[1] + c[i]);
			chmax(ndp[2], dp[2] + c[i]);
			chmax(ndp[3], dp[2] + b[i]);
			chmax(ndp[3], dp[3] + b[i]);
			chmax(ndp[4], dp[3] + a[i]);
			chmax(ndp[4], dp[4] + a[i]);
			dp = ndp;
		}
		rep(i, 5)chmax(ans, dp[i]);
	}
	{
		vector dp(5, 0LL);
		rep(i, n){
			vector ndp(5, 0LL);
			chmax(ndp[0], dp[0] + a[i]);
			chmax(ndp[1], dp[0] + b[i]);
			chmax(ndp[1], dp[1] + b[i]);
			chmax(ndp[2], dp[1] + a[i]);
			chmax(ndp[2], dp[2] + a[i]);
			chmax(ndp[3], dp[2] + b[i]);
			chmax(ndp[3], dp[3] + b[i]);
			chmax(ndp[4], dp[3] + a[i]);
			chmax(ndp[4], dp[4] + a[i]);
			dp = ndp;
		}
		rep(i, 5)chmax(ans, dp[i]);
	}
	cout << ans << endl;
}

void mmrz::solve(){
	int t = 1;
	//cin >> t;
	while(t--)SOLVE();
}
0