Submission #305688

#	Time	Username	Problem	Language	Result	Execution time	Memory
305688		Nucleist	Xoractive (IZhO19_xoractive)	C++14	94 / 100	5 ms	512 KiB

Xoractive

#include "interactive.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> guess(int n) {
	map<int,int>ani,fri;
	int yo=ask(1);
	for (int i = 0; i <= 6; ++i)
	{
		vector<int>cur,cur1;
		fri.clear();
		for (int j = 1; j < n; ++j)
		{
			if(j&(1<<i)){
				cur.push_back(j+1);
			}
		}
		if(!cur.size())continue;
		cur1=cur;
		cur1.push_back(1);
		cur=get_pairwise_xor(cur);
		cur1=get_pairwise_xor(cur1);
		for(auto it:cur)fri[it]++;
		for(auto it:cur1)fri[it]--;
		for(auto it:fri){
			if(it.second!=0)
				ani[it.first^yo]|=(1<<i);
		}
	}
	vector<int>ans;
	ans.resize(n);
	for(auto it:ani){
		ans[it.second]=it.first;
	}
	ans[0]=yo;
	return ans;
}

• Subtask 1: 0 / 6
• Subtask 2: 94 / 94