Submission #134352

#	Time	Username	Problem	Language	Result	Execution time	Memory
134352		arthurconmy	Cave (IOI13_cave)	C++14	12 / 100	72 ms	620 KiB

cave

#include <bits/stdc++.h>
using namespace std;

#ifndef ARTHUR_LOCAL
	#include "cave.h"
#endif

void exploreCave(int n)
{
	int D[n]; // we need to answer these
	int S[n];

	for(int i=0; i<n; i++)
	{
		S[i]=0;
		D[i]=0;
	}

	vector<bool> lock(n);

	for(int i=0; i<n; i++) // work out door i
	{
		int cur = tryCombination(S);

		for(int j=0; j<n; j++) // mess with switch j
		{
			if(lock[j]) continue;
		
			S[j]=1-S[j];
			if(tryCombination(S)!=cur)
			{
				if(cur!=i) S[j]=1-S[j];
				lock[j]=1;
				D[j]=i;
				break; 
			}
			S[j]=1-S[j];
		}
	}

	answer(S,D);
}

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