結果
問題 | No.1117 数列分割 |
ユーザー | HEXAebmr |
提出日時 | 2020-07-20 01:20:44 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,653 bytes |
コンパイル時間 | 1,228 ms |
コンパイル使用メモリ | 118,376 KB |
実行使用メモリ | 64,336 KB |
最終ジャッジ日時 | 2024-05-10 01:58:47 |
合計ジャッジ時間 | 9,548 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(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 | 2 ms
10,752 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 117 ms
12,672 KB |
testcase_04 | AC | 563 ms
12,288 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 5 ms
5,376 KB |
testcase_07 | AC | 4 ms
5,376 KB |
testcase_08 | AC | 1,206 ms
12,672 KB |
testcase_09 | AC | 70 ms
7,680 KB |
testcase_10 | AC | 1,593 ms
13,440 KB |
testcase_11 | TLE | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
ソースコード
#include <iostream> #include <iomanip> #include <string> #include <stack> #include <vector> #include <complex> #include <math.h> #include <stdio.h> #include <algorithm> #include <utility> #include <functional> #include <iterator> #include <map> #include <set> #include <queue> #include <list> #include <regex> #include <limits> #include <time.h> #include <cstdint> using namespace std; using pii = pair<int,int>; using ll=long long; using ld=long double; #define pb push_back #define mp make_pair #define sc second #define fr first #define stpr setprecision #define cYES cout<<"YES"<<endl #define cNO cout<<"NO"<<endl #define cYes cout<<"Yes"<<endl #define cNo cout<<"No"<<endl #define rep(i,n) for(ll i=0;i<(n);++i) #define Rep(i,a,b) for(ll i=(a);i<(b);++i) #define rrep(i,n) for(ll i=n-1;i>=0;i--) #define rRep(i,a,b) for(ll i=a;i>=b;i--) #define crep(i) for(char i='a';i<='z';++i) #define psortsecond(A,N) sort(A,A+N,[](const pii &a, const pii &b){return a.second<b.second;}); #define ALL(x) (x).begin(),(x).end() #define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl; #define endl '\n' int ctoi(const char c){ if('0' <= c && c <= '9') return (c-'0'); return -1; } ll gcd(ll a,ll b){return (b == 0 ? a : gcd(b, a%b));} ll lcm(ll a,ll b){return a*b/gcd(a,b);} constexpr ll MOD=1000000007; constexpr ll INF=1000000011; constexpr ll MOD2=998244353; constexpr ll LINF = 1001002003004005006ll; constexpr ld EPS=10e-8; template <class T, class U> inline bool chmax(T& lhs, const U& rhs) { if (lhs < rhs) { lhs = rhs; return 1; } return 0; } template <class T, class U> inline bool chmin(T& lhs, const U& rhs) { if (lhs > rhs) { lhs = rhs; return 1; } return 0; } template<typename T> istream& operator>>(istream& is,vector<T>& v){for(auto&& x:v)is >> x;return is;} template<typename T,typename U> istream& operator>>(istream& is, pair<T,U>& p){ is >> p.first; is >> p.second; return is;} template<typename T,typename U> ostream& operator>>(ostream& os, const pair<T,U>& p){ os << p.first << ' ' << p.second; return os;} template<class T> ostream& operator<<(ostream& os, vector<T>& v){ for(auto i=begin(v); i != end(v); ++i){ if(i !=begin(v)) os << ' '; os << *i; } return os; } // modint template <std::uint_fast64_t Modulus> class modint { using u64 = std::uint_fast64_t; public: u64 a; constexpr modint(const u64 x = 0) noexcept : a(x % Modulus) {} constexpr u64 &value() noexcept { return a; } constexpr const u64 &value() const noexcept { return a; } constexpr modint operator+(const modint rhs) const noexcept { return modint(*this) += rhs; } constexpr modint operator-(const modint rhs) const noexcept { return modint(*this) -= rhs; } constexpr modint operator*(const modint rhs) const noexcept { return modint(*this) *= rhs; } constexpr modint operator/(const modint rhs) const noexcept { return modint(*this) /= rhs; } constexpr modint &operator+=(const modint rhs) noexcept { a += rhs.a; if (a >= Modulus) { a -= Modulus; } return *this; } constexpr modint &operator-=(const modint rhs) noexcept { if (a < rhs.a) { a += Modulus; } a -= rhs.a; return *this; } constexpr modint &operator*=(const modint rhs) noexcept { a = a * rhs.a % Modulus; return *this; } constexpr modint &operator/=(modint rhs) noexcept { u64 exp = Modulus - 2; while (exp) { if (exp % 2) { *this *= rhs; } rhs *= rhs; exp /= 2; } return *this; } }; ll A[3007],sum[3007],dp[3007][3007]; bool SLcomp(ll a,ll b){ return a<b; } int main(){ ll N,K,M; cin >> N >> K >> M; rep(i,N){ cin >> A[i]; } rep(i,N){ sum[i+1]=sum[i]+A[i]; } rep(i,N+2){ rep(j,K+2){ dp[i][j]=-LINF; } } dp[0][0]=0; rep(i,N){ Rep(j,1,K+1){ deque<pair<ll,ll>> DQ1,DQ2; auto key1=dp[i][j-1]+sum[i]-sum[i+1]; auto key2=dp[i][j-1]-sum[i]+sum[i+1]; while(1){ if(DQ1.size() && !SLcomp(DQ1.back().fr,key1)) DQ1.pop_back(); else break; } while(1){ if(DQ2.size() && !SLcomp(DQ2.back().fr,key2)) DQ2.pop_back(); else break; } DQ1.emplace_back(mp(key1,j)); DQ2.emplace_back(mp(key2,j)); if(DQ1.front().sc==i-M) DQ1.pop_front(); if(DQ2.front().sc==i-M) DQ2.pop_front(); dp[i+1][j]=max(dp[i+1][j],DQ1.front().fr); dp[i+1][j]=max(dp[i+1][j],DQ2.front().fr); Rep(k,max(0ll,i-M+1),i+1){ dp[i+1][j]=max(dp[i+1][j],dp[k][j-1]+sum[k]-sum[i+1]); dp[i+1][j]=max(dp[i+1][j],dp[k][j-1]-sum[k]+sum[i+1]); } } } cout << dp[N][K] << endl; }