제출 #1139197

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1139197		AHOKA	Xoractive (IZhO19_xoractive)	C++20	0 / 100	4 ms	832 KiB

Xoractive

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

using namespace std;
 
#define threesum cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false)
#define all(a) a.begin(), a.end()
#define F first
#define S second
//#define int long long
#define double long double
#define pii pair<int, int>
#define ppp pair<int, pii>
#define dout cout << fixed << setprecision(15)
#define mid ((l + r) / 2)
#define lc (2 * id)
#define rc (lc + 1)

//const int maxn = 3e5 + 10, maxm = 1e3 + 10, oo = 1e18 + 10, lg = 8, sq = 350, mod = 1e9 + 7;

vector<int> guess(int n){
	vector<int> a(n + 1);

	a[1] = ask(1);

	map<int, int> cnt[110];

	for (int b = 0; b < 7;b++){
		vector<int> u, v, f;

		for (int i = 2; i <= n; i++)
			if(i & (1ll << b))
				v.push_back(i);

		if(!v.size())
			continue;

		u = get_pairwise_xor(v);

		v.push_back(1);

		f = get_pairwise_xor(v);

		multiset<int> s;

		for(auto i : f)
			s.insert(i);

		for(auto i : u)
			s.erase(s.find(i));

		for(auto i : v)
			if(i != 1)
				for(auto j : s)
					cnt[i][j ^ a[1]]++;
	}

	for (int i = 2; i <= n;i++)
		for(auto [x, y] : cnt[i])
			if(y == __builtin_popcount(i))
				a[i] = x;

	return a;
}

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