Submission #582453

#	Time	Username	Problem	Language	Result	Execution time	Memory
582453		PiejanVDC	Dungeons Game (IOI21_dungeons)	C++17	63 / 100	4089 ms	1007124 KiB

dungeons

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

using namespace std;

const int mxN = (int)5e4+5;
const int lg = (int)32;

long long lim[mxN][lg][32];
long long gget[mxN][lg][32];
int jump[mxN][lg][32];

int N;
vector<int>S; vector<int>P; vector<int>W; vector<int>L;

void init(int n, vector<int>s, vector<int>p, vector<int>w, vector<int>l) {

    S = s, P = p, W = w, L = l;

	N = n;

	for(int j = 0 ; j < lg ; j++) {
		for(int i = 0 ; i < n ; i++) {
			if(pow(2,j) >= s[i]) {
				lim[i][j][0] = LLONG_MAX;
				gget[i][j][0] = s[i];
				jump[i][j][0] = w[i];
			} else {
				lim[i][j][0] = s[i];
				gget[i][j][0] = p[i];
				jump[i][j][0] = l[i];
			}
		}
	}

	for(int k = 1 ; k < 30 ; k++) {
		for(int j = 0 ; j < lg ; j++) {
			for(int i = 0 ; i < n ; i++) {
				lim[i][j][k] = (lim[i][j][k-1] == LLONG_MAX && lim[ jump[i][j][k-1] ][j][k-1] - gget[i][j][k-1] == LLONG_MAX ? LLONG_MAX : min(lim[i][j][k-1], lim[ jump[i][j][k-1] ][j][k-1] - gget[i][j][k-1]));
				gget[i][j][k] = gget[i][j][k-1] + gget[ jump[i][j][k-1] ][j][k-1];
				jump[i][j][k] = jump[ jump[i][j][k-1] ][j][k-1];
			}
		}
	}

}

long long simulate(int x, int z) {
	long long c = z;
	int pw = 0;

	while(x != N) {
		while(pow(2,(pw+1)) <= c && pw+1 <= 30) {
			pw++;
		}


		for(int j = 30 ; j >= 0 ; j--) {
			if(lim[x][pw][j] > c && jump[x][pw][j] != N) {
				c += gget[x][pw][j];
				x = jump[x][pw][j];
			}
		}
		if(x != N) {
			if(c >= S[x]) {
                c += S[x];
                x = W[x];
			} else {
                c += P[x];
                x = L[x];
			}
		}

	}

	return c;
}

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