Submission #1142252

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142252		mnbvcxz123	Hiperkocka (COCI21_hiperkocka)	C++20	110 / 110	24 ms	3692 KiB

Main

#include<bits/stdc++.h>
using namespace std;
using ll=long long;

constexpr int N=17;

int n;
int a[N];

vector<int>g[N];
int val[N];
int tr=0;

void dfs(int v, int e){
    for(const int&i:g[v])
        if(i^e){
            val[i]=val[v]^(1<<tr);
            ++tr;
            dfs(i,v);
        }
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin>>n;
    for(int i=0,a,b;i<n;++i){
        cin>>a>>b;
        g[a].push_back(b);
        g[b].push_back(a);
    }
    dfs(0,-1);
    cout<<(1<<(n-1))<<'\n';
    for(int mask=0;mask<(1<<n);++mask){
        if(__builtin_parity(mask))continue;
        for(int i=0;i<=n;++i)
            cout<<(val[i]^mask)<<' ';
        cout<<'\n';
    }
}

• Subtask 1: 110 / 110