Submission #673450

#	Time	Username	Problem	Language	Result	Execution time	Memory
673450		ThegeekKnight16	Cave (IOI13_cave)	C++17	0 / 100	127 ms	428 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 5e3 + 10;
int certo[MAXN], atual[MAXN], posCerto[MAXN], alav[MAXN], door[MAXN];

void exploreCave(int N) {

    for (int i = 0; i < N; i++) {certo[i] = -1; atual[i] = -1; posCerto[i] = -1; alav[i] = -1; door[i] = -1;}

    for (int n = 0; n < N; n++)
    {
        for (int i = 0; i < N; i++) atual[i] = (posCerto[i] == -1) ? 0 : posCerto[i];
        int aux = tryCombination(atual);
        if (aux > n || aux == -1) certo[n] = 0;
        else certo[n] = 1;

        for (int i = 0; i < N; i++) atual[i] = (posCerto[i] == -1) ? certo[n] : posCerto[i];

        int ini = 0; int fim = N-1;
        while (ini < fim)
        {
            int m = (ini + fim) / 2;
            for (int i = m+1; i <= fim; i++) atual[i] = (posCerto[i] == -1) ? (1 - certo[n]) : posCerto[i];
            int aux = tryCombination(atual);
            if (aux > n || aux == -1) fim = m;
            else ini = m+1;
        }

        alav[n] = fim;
        door[fim] = n;
        posCerto[fim] = certo[n];
    }

    answer(posCerto, door);
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24