Submission #742824

#	Time	Username	Problem	Language	Result	Execution time	Memory
742824		Dulguun	Cave (IOI13_cave)	C++11	0 / 100	50 ms	384 KiB

cave

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

using namespace std;
typedef long long ll;

int cur=0;

void exploreCave(int n){
	int s[n], d[n];
	for(int &i: s) i=0;
	while(cur<n){
		
		int exp, mid, l=0, r=n-1;
		
		while(l<r){
			if(l==r){
				d[l]=cur++;
				break;
			}
			mid = (l+r)/2;
			for(int i=l; i<=mid; s[i++]^=1);
			exp = tryCombination(s);
			if(exp>cur || exp==-1) r=mid;
			else l=mid+1;
			for(int i=l; i<=mid; 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