Submission #754889

#	Time	Username	Problem	Language	Result	Execution time	Memory
754889		Rafi22	던전 (IOI21_dungeons)	C++17	0 / 100	33 ms	15316 KiB

dungeons

#include <bits/stdc++.h>

using namespace std;

//#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;

const int N=50007,K=24;

int g[K][K][N];
ll mx[K][K][N];
ll sum[K][K][N];
vector<int>S,P,W,L;
int n;

void init(int nn,vector<int>s,vector<int>p,vector<int>w,vector<int>l)
{
    n=nn;
    s.pb(0);
    p.pb(0);
    w.pb(n);
    l.pb(n);
    S=s,P=p,W=w;L=l;
    for(int j=0;j<K;j++)
    {
        for(int i=0;i<=n;i++)
        {
            if(s[i]<(1<<j))
            {
                g[0][i][j]=w[i];
                sum[0][i][j]=s[i];
                mx[0][i][j]=-infl;
            }
            else
            {
                g[0][i][j]=l[i];
                sum[0][i][j]=p[i];
                mx[0][i][j]=-s[i];
            }
        }
        for(int l=1;l<K;l++)
        {
            for(int i=0;i<=n;i++)
            {
                int x=g[l-1][i][j];
                g[l][i][j]=g[l-1][x][j];
                sum[l][i][j]=sum[l-1][i][j]+sum[l-1][x][j];
                mx[l][i][j]=max(mx[l-1][i][j],sum[l-1][i][j]+mx[l-1][x][j]);
            }
        }
    }
}
ll simulate(int x,int z)
{
    ll a=z;
    int j=0;
    while(x!=n)
    {
        while(j<23&&a>=(1LL<<(j+1))) j++;
        for(int l=K-1;l>=0;l--)
        {
            if(g[l][x][j]==n||a+mx[l][x][j]>=0) continue;
            a+=sum[l][x][j];
            x=g[l][x][j];
        }
        if(a>=S[x])
        {
            a+=S[x];
            x=W[x];
        }
        else
        {
            a+=P[x];
            x=L[x];
        }
        while(j<23&&a>=(1LL<<(j+1))) j++;
    }
    return a;
}

/*int main()
{
    freopen("in.txt","r",stdin);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n,q;
    cin>>n>>q;
    vector<int>sa(n),pa(n),wa(n),la(n);
    for(int i=0;i<n;i++) cin>>sa[i];
    for(int i=0;i<n;i++) cin>>pa[i];
    for(int i=0;i<n;i++) cin>>wa[i];
    for(int i=0;i<n;i++) cin>>la[i];
    init(n,sa,pa,wa,la);
    cout<<"XD"<<endl;
    while(q--)
    {
        int a,b;
        cin>>a>>b;
        cout<<simulate(a,b)<<endl;
    }

    return 0;
}*/

• Subtask 1: 0 / 11
• Subtask 2: 0 / 26
• Subtask 3: 0 / 13
• Subtask 4: 0 / 12
• Subtask 5: 0 / 27
• Subtask 6: 0 / 11