Submission #609055

#	Time	Username	Problem	Language	Result	Execution time	Memory
609055		asdfasdfasdfasdf	Dungeons Game (IOI21_dungeons)	C++17	100 / 100	2166 ms	542828 KiB

dungeons

#include "dungeons.h"

#include <bits/stdc++.h>

using namespace std;

#define MAX 444444

int N;

vector<int> S,P,win,lose;

vector<int> v[MAX];

const int INF=1e9;

int Next[8][25][MAX];
int Sum[8][25][MAX];
int Value[8][25][MAX];
long long dp[MAX];

void init(int n,vector<int> s,vector<int> p,vector<int> w,vector<int> l)
{
    tie(N,S,P,win,lose)=make_tuple(n,s,p,w,l);
	for(int i=n-1;i>=0;i--)
        dp[i]=dp[w[i]]+s[i];
	for(int i=0;i<8;i++)
	{
		for(int j=0;j<n;j++)
		{
		    int L=(1<<(3*i));
			if(s[j]<L)
			{
				Next[i][0][j]=w[j];
				Sum[i][0][j]=s[j];
				Value[i][0][j]=INF;
			}
			else
			{
				Next[i][0][j]=l[j];
				Sum[i][0][j]=p[j];
				Value[i][0][j]=s[j];
			}
		}
		Next[i][0][n]=n;
		Sum[i][0][n]=INF;
		Value[i][0][n]=INF;
		for(int j=1;j<3*i+3;j++)
		{
			for(int k=0;k<=n;k++)
            {
				Next[i][j][k]=Next[i][j-1][Next[i][j-1][k]];
				Sum[i][j][k]=Sum[i][j-1][k]+Sum[i][j-1][Next[i][j-1][k]];
				Sum[i][j][k]=min(Sum[i][j][k],INF);
				Value[i][j][k]=min(Value[i][j-1][k],Value[i][j-1][Next[i][j-1][k]]-Sum[i][j-1][k]);
				Value[i][j][k]=max(Value[i][j][k],0);
			}
		}
	}
	return;
}

long long simulate(int x, int z)
{
	long long Z=z;
	for(int i=0;i<8;i++)
    {
		while(Z<(1<<(3*i+3)))
		{
			for(int j=3*i+2;j>=0;j--)
			{
				if(Next[i][j][x]!=N && Z+Sum[i][j][x]<(1<<(3*i+3)) && Value[i][j][x]>Z)
				{
					Z+=Sum[i][j][x];
					x=Next[i][j][x];
				}
			}
			if(x!=N && Z<(1<<(3*i+3)) && (S[x]>Z || S[x]<(1<<(2*i))))
            {
				Z+=Sum[i][0][x];
				x=Next[i][0][x];
			}
			if(x==N)
				break;
			if(S[x]<=Z)
            {
				Z+=S[x];
				x=win[x];
			}
			if(x==N)
                break;
		}
	}
	return Z+dp[x];
}

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