Submission #1285247

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285247		Faggi	Dungeons Game (IOI21_dungeons)	C++20	11 / 100	7140 ms	434964 KiB

dungeons

#include <bits/stdc++.h>
#define ll long long
#define sz(x) int(x.size())
#define forn(i, n) for (i = 0; i < n; i++)
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair
#define fr first
#define se second
using namespace std;

const int MAXN = 5e4 + 1;
const int LOG = 20;

ll ma[MAXN][LOG], up2[MAXN][LOG], sum2[MAXN][LOG];
ll up3[25][MAXN][LOG], sum3[25][MAXN][LOG];
vector<int> S, P, W, L, dif;
int N;
void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l)
{
    ll pot=1;
    for(ll i=0; i<25; i++)
    {
        dif.pb(pot);
        pot=pot*2;
    }
    s.pb(0);
    p.pb(0);
    w.pb(n);
    l.pb(n);
    ll i, j;
    N = n;
    S = s;
    P = p;
    W = w;
    L = l;

    for (i = 0; i <= n; i++)
    {
        up2[i][0] = w[i];
        ma[i][0] = s[i];
        sum2[i][0] = s[i];
        for (j = 0; j < sz(dif); j++)
        {
            ll x, y;
            if(s[i]<dif[j])
            {
                x=w[i];
                y=s[i];
            }
            else
            {
                x=l[i];
                y=p[i];
            }
            up3[j][i][0]=x;
            sum3[j][i][0]=y;
        }
    }

    for (i = 1; i < LOG; i++)
    {
        for (j = 0; j <= n; j++)
        {
            up2[j][i] = up2[up2[j][i - 1]][i - 1];
            sum2[j][i] = sum2[j][i - 1] + sum2[up2[j][i - 1]][i - 1];
            ma[j][i] = max(ma[j][i - 1], ma[up2[j][i - 1]][i - 1]);
            for (ll k = 0; k < sz(dif); k++)
            {
                up3[k][j][i]=up3[k][up3[k][j][i-1]][i-1];
                sum3[k][j][i]=sum3[k][j][i-1]+sum3[k][up3[k][j][i-1]][i-1];
            }
        }
    }
    return;
}

long long simulate(int x, int z)
{
    ll act = z, i, ult, pos=0;
    while (x != N)
    {
        if (1ll * S[x] <= act)
        {
            ll aum = 0;
            for (i = LOG - 1; i >= 0; i--)
            {
                if (ma[x][i] <= act)
                {
                    aum += sum2[x][i];
                    x = up2[x][i];
                }
            }
            act += aum;
        }
        else
        {
            while(pos<sz(dif)&&dif[pos]<=act)
                pos++;

            for(i=LOG-1; i>=0; i--)
            {
                if(sum3[pos][x][i]+act<dif[pos])
                {
                    act+=sum3[pos][x][i];
                    x=up3[pos][x][i];
                }
            }
            if(S[x]<=act)
            {
                act=act+S[x];
                x=W[x];
            }
            else
            {
                act=act+P[x];
                x=L[x];
            }
        }
    }
    return act;
}

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