Submission #354313

#	Time	Username	Problem	Language	Result	Execution time	Memory
354313		David_M	Cave (IOI13_cave)	C++14	0 / 100	112 ms	492 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
int c[5003],f[5003],a[5003],i,j,x,l,r,m,e;
void A(int L,int R){for(;R>=L;R--)c[R]^=(!f[R]);}
int T(){e=tryCombination(c);return e<=i&&e!=1;}
void exploreCave(int N){
	memset(f,0,sizeof(f));
	memset(a,0,sizeof(a));
	memset(c,0,sizeof(c));
    for(;i<N;i++){
    	if(T())A(0,N-1);
		l=0,r=N-1;
    	while(l<r){
			m=(l+r)/2;
			A(l,m);
			e=T();
			A(l,m);
			if(e) r=m;
			else l=m+1;
		}
		a[l]=i,f[l]=1;
	}answer(c,a);
}

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