Submission #1043892

#	Time	Username	Problem	Language	Result	Execution time	Memory
1043892		12345678	Editor (BOI15_edi)	C++17	20 / 100	28 ms	604 KiB

edi

#include <bits/stdc++.h>

using namespace std;

const int nx=5e3+5;

int n, a, t[nx], vl[nx], p[nx], vs[nx];

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    for (int i=1; i<=n; i++)
    {
        cin>>t[i];
        vs[i]=1;
        if (t[i]>0) vl[i]=t[i], t[i]=0, p[i]=i;
        else
        {
            t[i]=-t[i];
            for (int j=1; j<i; j++) if (vs[j]&&t[j]<t[i]) p[i]=j;
        }
        int cnt=0, cur=i;
        while (p[cur]!=cur)
        {
            if (cnt) vs[cur]=!vs[cur];
            cnt++;
            cur=p[cur];
        }
        if (cnt) vs[cur]=!vs[cur];
        int res=0;
        for (int j=1; j<=i; j++) if (!t[j]&&vs[j]) res=vl[j];
        cout<<res<<'\n';
    }
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 15
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37