제출 #390008

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
390008		vonatlus	수열 (APIO14_sequence)	C++17	50 / 100	177 ms	3660 KiB

sequence

/// adil sultanov | vonat1us 

#pragma GCC optimize("O3")
//#pragma comment(linker, "/STACK:36777216")

#include<bits/stdc++.h>

#define x first
#define y second
#define pb push_back
#define sz(x) (int) x.size()
#define all(z) (z).begin(), (z).end()
 
using namespace std;

using ll = long long;
using pii = pair<int, int>;                                   

const int MOD = 1e9 + 7; 
const int INF = 1e9 + 1e2;
  
void fin() {
#ifdef AM
    freopen(".in", "r", stdin);
#endif        
}                   

const bool flag = 0;

const int N = 1e3+10;
const int K = 210;

ll p[N], dp[N][K], pr[N][K];

void f(int r, int k) {
    if (k == 1) return;
    int cut = pr[r][k];
    cout << cut+1 << " ";
    f(cut, k-1);
}

void ma1n() {
    int n, k;
    cin >> n >> k;
    k++;
    vector<int> a(n);
    for (int& x : a) {
        cin >> x;
    }
    for (int i = 0; i < n; ++i) {
        p[i] = (i ? p[i-1] : 0ll)+a[i];
    }
    memset(pr, -1, sizeof(pr));
    for (int l = 2; l <= k; ++l) {
        for (int i = 0; i < n; ++i) {
            for (int j = 0; j < i; ++j) {
                ll res = dp[j][l-1] + (p[i]-p[j])*p[j];
                if (res >= dp[i][l]) {
                    dp[i][l] = res, pr[i][l] = j;
                }
            }
        }       
    }
    cout << dp[n-1][k] << "\n";
    f(n-1, k);
} 

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr), fin();
    int ts = 1;
    if (flag) {
        cin >> ts;
    }
    while (ts--) {
        ma1n(); 
    }
    return 0;
}

• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 17 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29