結果

問題 No.45 回転寿司
ユーザー shimomireshimomire
提出日時 2015-07-24 03:46:52
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 9 ms / 5,000 ms
コード長 5,229 bytes
コンパイル時間 1,055 ms
コンパイル使用メモリ 119,148 KB
実行使用メモリ 11,136 KB
最終ジャッジ日時 2024-06-08 09:45:25
合計ジャッジ時間 2,143 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
このコードへのチャレンジ
（要ログイン）

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 3 ms
5,248 KB
testcase_01 AC 4 ms
5,888 KB
testcase_02 AC 7 ms
8,704 KB
testcase_03 AC 8 ms
9,472 KB
testcase_04 AC 6 ms
6,400 KB
testcase_05 AC 2 ms
5,376 KB
testcase_06 AC 5 ms
5,376 KB
testcase_07 AC 7 ms
8,448 KB
testcase_08 AC 3 ms
5,376 KB
testcase_09 AC 7 ms
9,088 KB
testcase_10 AC 3 ms
5,376 KB
testcase_11 AC 2 ms
5,376 KB
testcase_12 AC 8 ms
8,960 KB
testcase_13 AC 1 ms
5,376 KB
testcase_14 AC 2 ms
5,376 KB
testcase_15 AC 4 ms
5,376 KB
testcase_16 AC 3 ms
5,376 KB
testcase_17 AC 3 ms
5,376 KB
testcase_18 AC 3 ms
5,376 KB
testcase_19 AC 6 ms
7,296 KB
testcase_20 AC 2 ms
5,376 KB
testcase_21 AC 2 ms
5,376 KB
testcase_22 AC 2 ms
5,376 KB
testcase_23 AC 2 ms
5,376 KB
testcase_24 AC 2 ms
5,376 KB
testcase_25 AC 2 ms
5,376 KB
testcase_26 AC 4 ms
5,376 KB
testcase_27 AC 6 ms
7,424 KB
testcase_28 AC 4 ms
5,376 KB
testcase_29 AC 6 ms
6,912 KB
testcase_30 AC 5 ms
7,040 KB
testcase_31 AC 2 ms
5,376 KB
testcase_32 AC 1 ms
5,376 KB
testcase_33 AC 9 ms
11,136 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 <cassert>// c
#include <iostream>// io
#include <iomanip>
#include <fstream>
#include <sstream>
#include <vector>// container
#include <map>
#include <set>
#include <queue>
#include <bitset>
#include <stack>
#include <algorithm>// other
#include <complex>
#include <numeric>
#include <functional>
#include <random>
#include <regex>
using namespace std;

typedef long long ll;typedef unsigned long long ull;typedef long double ld;

#define ALL(c) c.begin(),c.end()
#define IN(l,v,r) (l<=v && v < r)
template<class T> void UNIQUE(T v){v.erase(unique(ALL(v)),v.end());}
//debug
#define DUMP(x) cerr << #x <<" = " << (x)
#define LINE() cerr<< " (L" << __LINE__ << ")"

struct range{
    struct Iter{
        int v,step;
        Iter& operator++(){v+=step;return *this;}
        bool operator!=(Iter& itr){return v<itr.v;}
        int& operator*(){return v;}
    };
    Iter i, n;
    range(int i, int n,int step):i({i,step}), n({n,step}){}
    range(int i, int n):range(i,n,1){}
    range(int n):range(0,n){}
    Iter& begin(){return i;}
    Iter& end(){return n;}
};
struct rrange{
    struct Iter{
        int v,step;
        Iter& operator++(){v-=step;return *this;}
        bool operator!=(Iter& itr){return v>itr.v;}
        int& operator*(){return v;}
    };
    Iter i, n;
    rrange(int i, int n,int step):i({i-1,step}), n({n-1,step}){}
    rrange(int i, int n):rrange(i,n,1){}
    rrange(int n) :rrange(0,n){}
    Iter& begin(){return n;}
    Iter& end(){return i;}
};

//input
template<typename T1,typename T2> istream& operator >> (istream& is,pair<T1,T2>& p){return is>>p.first>>p.second;}
template<typename T1> istream& operator >> (istream& is,tuple<T1>& t){return is >> get<0>(t);}
template<typename T1,typename T2> istream& operator >> (istream& is,tuple<T1,T2>& t){return is >> get<0>(t) >> get<1>(t);}
template<typename T1,typename T2,typename T3> istream& operator >> (istream& is,tuple<T1,T2,T3>& t){return is >>get<0>(t)>>get<1>(t)>>get<2>(t);}
template<typename T1,typename T2,typename T3,typename T4> istream& operator >> (istream& is,tuple<T1,T2,T3,T4>& t){return is >> get<0>(t)>>get<1>(t)>>get<2>(t)>>get<3>(t);}
template<typename T> istream& operator >> (istream& is,vector<T>& as){for(int i:range(as.size()))is >>as[i];return is;}
//output
template<typename T> ostream& operator << (ostream& os, const set<T>& ss){for(auto a:ss){if(a!=ss.begin())os<<" "; os<<a;}return os;}
template<typename T1,typename T2> ostream& operator << (ostream& os, const pair<T1,T2>& p){return os<<p.first<<" "<<p.second;}
template<typename K,typename V> ostream& operator << (ostream& os, const map<K,V>& m){bool isF=true;for(auto& p:m){if(!isF)os<<endl;os<<p;isF=false;}return os;}
template<typename T1> ostream& operator << (ostream& os, const tuple<T1>& t){return os << get<0>(t);}
template<typename T1,typename T2> ostream& operator << (ostream& os, const tuple<T1,T2>& t){return os << get<0>(t)<<" "<<get<1>(t);}
template<typename T1,typename T2,typename T3> ostream& operator << (ostream& os, const tuple<T1,T2,T3>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t);}
template<typename T1,typename T2,typename T3,typename T4> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t);}
template<typename T> ostream& operator << (ostream& os, const vector<T>& as){for(int i:range(as.size())){if(i!=0)os<<" "; os<<as[i];}return os;}
template<typename T> ostream& operator << (ostream& os, const vector<vector<T>>& as){for(int i:range(as.size())){if(i!=0)os<<endl; os<<as[i];}return os;}

// values
template<typename T> inline T INF(){assert(false);};
template<> inline int INF<int>(){return 1<<28;};
template<> inline ll INF<ll>(){return 1LL<<58;};
template<> inline double INF<double>(){return 1e16;};
template<> inline long double INF<long double>(){return 1e16;};

template<class T> inline T EPS(){assert(false);};
template<> inline int EPS<int>(){return 1;};
template<> inline ll EPS<ll>(){return 1LL;};
template<> inline double EPS<double>(){return 1e-8;};
template<> inline long double EPS<long double>(){return 1e-8;};

// min{2^r | n < 2^r}
template<typename T> T upper_pow2(T n){ T res=1;while(res<n)res<<=1;return res;}
// max{d | 2^d  <= n}
template<typename T> T msb(T n){ int d=62;while((1LL<<d)>n)d--;return d;}

template<typename T,typename U> T pmod(T v,U M){return (v%M+M)%M;}

ll gcd_positive(ll a,ll b) { return b == 0 ? a : gcd_positive(b,a%b); }
ll gcd(ll a,ll b) { return gcd_positive(abs(a), abs(b)); }
ll lcm(ll a,ll b){return a/gcd(a,b)*b;}


class Main{
    public:

    void run(){
        int N;cin >> N;
        vector<ll> vs(N);cin >> vs;

        vector<vector<ll>> dp(N+1,vector<ll>(N+1,-INF<ll>()));
        dp[0][0]=0;

        for(int i:range(1,N+1)){
            for(int j:range(i))dp[i][j]=max(dp[i][j],dp[i-1][j]);
            for(int j:range(i))if(i-1!=j || j == 0){
                dp[i][i]=max(dp[i][i],dp[i-1][j]+vs[i-1]);
            }
        }
        ll res = 0;
        for(int i:range(N+1))res=max(res,dp[N][i]);
        cout <<res <<endl;
    }
};

int main(){
    cout <<fixed<<setprecision(20);
    cin.tie(0);
    ios::sync_with_stdio(false);
    Main().run();
    return 0;
}
0