Submission #793474

#	Time	Username	Problem	Language	Result	Execution time	Memory
793474		mathematik	Dungeons Game (IOI21_dungeons)	C++17	11 / 100	5439 ms	2097152 KiB

dungeons

#include "dungeons.h"
#include <bits/stdc++.h>
#define ll long long

using namespace std;

vector<vector<vector<vector<int>>>> binary;//index, +, max excluded

void init(int n, vector<int> s, vector<int> p, vector<int> w, vector<int> l) {
	s.push_back(0);
	p.push_back(0);
	w.push_back(n);
	l.push_back(n);
	n++;

	for (int range = 0; range < 25; range++)
	{
		ll r = 1 << range;

		vector<vector<vector<int>>> t = vector<vector<vector<int>>>(n, vector<vector<int>>(25));
		for (int i = 0; i < n; i++)
		{
			if (s[i] <= r) {
				t[i][0] = {w[i], s[i], INT_MAX};
			} else {
				t[i][0] = {l[i], p[i], s[i]};
			}
		}
		
		for (int i = 1; i < 25; i++)
		{
			for (int ind = 0; ind < n; ind++)
			{
				int pointer = t[ind][i - 1][0];
				t[ind][i] = {t[pointer][i - 1][0], t[ind][i - 1][1] + t[pointer][i - 1][1], min(t[ind][i - 1][2], t[pointer][i - 1][2] - t[ind][i - 1][1])};
				t[ind][i][1] = min(100000000, t[ind][i][1]);
				t[ind][i][2] = max(t[ind][i][2], 0);
			}
		}

		binary.push_back(t);
	}
}

long long simulate(int x, int z) {
	ll t = z;

	for (int r = 0; r < 25; r++)
	{
		for (int s = 24; s >= 0; s--)
		{
			if (binary[r][x][s][2] > t) {
				t += binary[r][x][s][1];
				x = binary[r][x][s][0];
			}
		}
	}
	return t;
}

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