oj.uz

Submission #854919

# Submission time Handle Problem Language Result Execution time Memory
854919 2023-09-29T12:03:29 Z dead0ne Hiperkocka (COCI21_hiperkocka) C++17
110 / 110
 41 ms 5724 KB 
#pragma GCC optimize("unroll-loops,Ofast,O3")
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define spc << " " <<
#define endl "\n"
#define all(x) x.begin(), x.end()
#define ll long long
#define int long long
#define ii pair<int,int>
#define vi vector<int>
#define vii vector<ii>
#define st first
#define nd second
#define inf 1000000009
#define MOD 1000000007
#define lim 65540
using namespace std;


vi edges[lim];

vi res(lim);
void place(int num, int node, int par){
    res[node]=num;
    for(auto i:edges[node]){
        if(i==par) continue;
        place((num^(1<<(i-1))), i, node);
    }
}




void solve(){
    int n; cin >> n;
    for(int i=1; i<=n; i++){
        int a,b; cin >> a >> b;
        edges[a].pb(b);
        edges[b].pb(a);
    }

    cout << (1<<(n-1)) << endl;
    for(int i=0; i<(1<<n); i++){
        if(__builtin_popcount(i)%2) continue;
        place(i, 0, 0);
        for(int j=0; j<=n; j++) cout << res[j] << " ";
        cout << endl;
    }
}



signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    #ifdef Local
    freopen("in","r",stdin);
    freopen("out","w",stdout);
    #endif

    ll t=1;
    //cin >> t;
    while(t--) solve();
}

Subtask #1
110.0 / 110.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 2 ms 2512 KB Output is correct
9 Correct 34 ms 5716 KB Output is correct
10 Correct 7 ms 2904 KB Output is correct
11 Correct 9 ms 3164 KB Output is correct
12 Correct 33 ms 5724 KB Output is correct
13 Correct 2 ms 2392 KB Output is correct
14 Correct 34 ms 5688 KB Output is correct
15 Correct 17 ms 3932 KB Output is correct
16 Correct 9 ms 3160 KB Output is correct
17 Correct 34 ms 5716 KB Output is correct
18 Correct 34 ms 5724 KB Output is correct
19 Correct 34 ms 5692 KB Output is correct
20 Correct 34 ms 5724 KB Output is correct
21 Correct 2 ms 2396 KB Output is correct
22 Correct 35 ms 5712 KB Output is correct
23 Correct 41 ms 5716 KB Output is correct
24 Correct 34 ms 5712 KB Output is correct
25 Correct 37 ms 5716 KB Output is correct
26 Correct 17 ms 3928 KB Output is correct