Submission #339976

#	Time	Username	Problem	Language	Result	Execution time	Memory
339976		fixikmila	Xoractive (IZhO19_xoractive)	C++14	0 / 100	8 ms	1260 KiB

Xoractive

#include <bits/stdc++.h>
#include"interactive.h"
using namespace std;
#define MOD 1000000007
typedef long long ll;
typedef pair<ll,ll>pll;
typedef long double ld;
ll bin_pow(ll a,ll b){
    if(b==0)return 1;
    if(b%2==0){
        ll t=bin_pow(a,b/2);
        return t*t%MOD;
    }
    else return a*bin_pow(a,b-1)%MOD;
}
vector<int>guess(int n){
    vector<int>a(n);
    int x=__lg(n-1);
    a[0]=ask(1);
    map<ll,ll>mp;
    for(int j=0;j<=x;j++){
            vector<int>c;
        for(int i=1;i<n;i++){
            if((i>>j)&1){
                c.push_back(i+1);
            }
        }
        vector<int>d=get_pairwise_xor(c);
        map<ll,ll>mp1,mp2;
        for(auto u : d)mp1[u]++;
        d.clear();
        for(auto u : mp1){
            if(u.first){
                for(int i=0;i<u.second;i++)d.push_back(u.first);
            }
        }
        for(auto u : d){
            mp[u]-=(1<<j);
        }
        c.push_back(1);
        d=get_pairwise_xor(c);
        for(auto u : d)mp2[u]++;
        d.clear();
        for(auto u : mp2){
            if(u.first){
                for(int i=0;i<u.second;i++)d.push_back(u.first);
            }
        }
        for(auto u : d){
            mp[u]+=(1<<j);
        }
    }
    for(auto u : mp)a[u.first]=u.second^a[0];
    return a;
}

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