Submission #1263250

#	Time	Username	Problem	Language	Result	Execution time	Memory
1263250		blueviolet	Cave (IOI13_cave)	C++20	0 / 100	1 ms	324 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
const int Inf = (int)2e9 + 7;



int s[5009], d[5009];
bool vst[5009];
set<int> st;

void exploreCave(int N) {
    st.clear();
    int n = N;
    for (int i = 0; i < N; i++) {
        s[i] = 0;
        d[i] = 0;
    }

    while (true) {
        int firstClosed = tryCombination(s);
        if (firstClosed == -1) break;

        for (int i=0; i<n; i++) {
        	s[i] ^= 1;
        	if (vst[i]) continue;
        	int pp = tryCombination(s);
        	if (pp == -1) pp = Inf;
        	if (pp > firstClosed) {
        		d[i] = firstClosed;
        		vst[i] = true;
        		break;
        	} else
        		s[i] ^= 1;
        }
    }
    answer(s, d);
}

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