Submission #1195831

#	Time	Username	Problem	Language	Result	Execution time	Memory
1195831		Ludissey	Dungeons Game (IOI21_dungeons)	C++20	0 / 100	7094 ms	40264 KiB

dungeons

#include "dungeons.h"
#include <bits/stdc++.h>
#define int long long
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()

using namespace std;

int N; 
vector<int> s,p,l;
vector<vector<int>> nxt,mx,w;

const int LOG=26;


void init(signed n, std::vector<signed> S, std::vector<signed> P, std::vector<signed> W, std::vector<signed> L) {
	N=n;
	s.resize(N+1);
	p.resize(N);
	l.resize(N+1);
	w.resize(N+1,vector<int>(LOG,N));
	nxt.resize(N+1,vector<int>(LOG,0));
	mx.resize(N+1,vector<int>(LOG,0));
	w[N][0]=N;
	s[N]=0;
	for (int i = 0; i < n; i++)
	{
		s[i]=S[i];
		p[i]=P[i];
		w[i][0]=W[i];
		l[i]=L[i];
		nxt[i][0]=s[i];
		mx[i][0]=s[i];
	}
	for (int j = 1; j < LOG; j++)
	{
		for (int i = 0; i < N; i++)
		{
			w[N][j]=N;
			w[i][j]=w[w[i][j-1]][j-1];
			nxt[i][j]=nxt[i][j-1]+nxt[w[i][j-1]][j-1];
			mx[i][j]=max(mx[i][j-1],mx[w[i][j-1]][j-1]-nxt[i][j-1]);
		}
	}
	return;
}

long long simulate(signed x, signed z) {
	int cs=z;
	int u=x;
	while(u!=N){
		if(s[u]>cs) {
			cs+=p[u];
			u=l[u];
			continue;
		}
		int v=u;
		for (int j = LOG-1; j >= 0; j--)
		{
			if(mx[v][j]-cs>0) continue;
			cs+=nxt[v][j];
			v=w[v][j];
			if(v==N) return cs;
		}
		cs+=p[u];
		u=l[u];
	}
	return cs;
}

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