Submission #471691

#	Time	Username	Problem	Language	Result	Execution time	Memory
471691		nickmet2004	Xoractive (IZhO19_xoractive)	C++11	0 / 100	4 ms	584 KiB

Xoractive

#include<bits/stdc++.h>
#include "interactive.h"
using namespace std;
map<int , int> Z;
vector<int> guess(int n){
    int a = ask(1);
    for(int i = 0; i< 7; ++i){
        vector<int> x , y;
        for(int k = 1; k < n; ++k){
            if(k>>i&1)x.emplace_back(k+1) , y.emplace_back(k+1);
        }
        vector<int> X ,Y;
        y.emplace_back(1);
        X = get_pairwise_xor(x);
        Y = get_pairwise_xor(y);
        set<int> s;
        for(int x : X) if(x) s.insert(x);
        for(int x : Y) if(x && s.find(x) == s.end()) Z[x ^ a] += 1 << i;
    }
    vector<int> ans;
    ans.resize(n);
    for(auto x : Z) ans[x.second] = x.first;
    ans[0]=a;
    return ans;
}

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