Submission #544139

#	Time	Username	Problem	Language	Result	Execution time	Memory
544139		robertbarbu27	Cigle (COI21_cigle)	C++14	48 / 100	1080 ms	11268 KiB

cigle

#include <bits/stdc++.h>
#define pb push_back
#define ll long long
using namespace std;
ifstream f("teroristi2.in");
ofstream g("teroristi2.out");
int N;
int h[5005];
int dp[5005][5005];
int main ()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>N;
    for(int i=1;i<=N;i++)
    {
        cin>>h[i];
    }
    for(int fin=1;fin<=N;fin++)
    {
        for(int start=fin;start>=1;start--)
        {
            vector<int> sp(N+5,0);
            for(int j=fin;j>=start;j--)
            {
                sp[j]=sp[j+1]+h[j];
            }
            int sum=0,layers=0,cnt=fin;
            for(int fin2=fin+1;fin2<=N;fin2++)
            {
                ///dp[fin+1][fin2]=max(dp[fin+1][fin2],dp[start][fin]+layers)
                sum+=h[fin2];

                dp[fin+1][fin2]=max(dp[fin+1][fin2],dp[start][fin]+layers);
                while(sum>sp[cnt]&&cnt>start+1)
                {
                    cnt--;
                }
                if(sum==sp[cnt]&&cnt!=start)
                {
                    layers++;
                }


            }
        }
    }
    int rez=0;
    for(int i=1;i<=N;i++)
    {
        rez=max(rez,dp[i][N]);
       // cout<<i<<" "<<dp[i][N]<<'\n';
    }
    cout<<rez<<'\n';






}

• Subtask 1: 9 / 9
• Subtask 2: 11 / 11
• Subtask 3: 13 / 13
• Subtask 4: 15 / 15
• Subtask 5: 0 / 52