Submission #927459

#	Time	Username	Problem	Language	Result	Execution time	Memory
927459		AlphaMale06	Split the sequence (APIO14_sequence)	C++17	50 / 100	2089 ms	130908 KiB

sequence

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define pb push_back
int dp[2][205][100010];

signed main()
{
    int n, k;
    cin >> n >> k;
    int a[n];
    int pref[n];
    int prev=0;
    for(int i=0; i< n; i++){
        cin >> a[i];
        pref[i]=prev+a[i];
        prev=pref[i];
    }
    for(int j=1; j<=k; j++){
        for(int i=0; i<n; i++){
            for(int l=i; l>=j-1; l--){
                int val = dp[0][j-1][l]+pref[l]*(pref[i]-pref[l]);
                if(val>=dp[0][j][i]){
                    dp[0][j][i]=val;
                    dp[1][j][i]=l;
                }
            }
        }
    }
    cout << dp[0][k][n-1] << '\n';
    vector<int> con;
    prev=n-1;
    for(int i=k; i>0; i--){
        con.pb(dp[1][i][prev]);
        prev=con.back();
    }
    reverse(con.begin(), con.end());
    for(int e : con)cout << e+1 << " ";
}

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