oj.uz

Submission #706725

# Submission time Handle Problem Language Result Execution time Memory
706725 2023-03-07T15:04:35 Z Username4132 Hiperkocka (COCI21_hiperkocka) C++14
110 / 110
 54 ms 3608 KB 
#include<iostream>
#include<vector>
using namespace std;
#define forn(i, n) for(int i=0; i<(int)n; ++i)
#define PB push_back

const int MAXN = 18;
int n, cnt, ret[MAXN];
vector<int> g[MAXN];

void dfs(int v, int p, int cur){
    ++cnt, ret[v]=cur;
    for(int to:g[v]){
        if(to==p) continue;
        dfs(to, v, cur^(1<<cnt));
    }
}

int main(){
    scanf("%d", &n);
    forn(i, n){
        int a, b; scanf("%d %d", &a, &b);
        g[a].PB(b), g[b].PB(a);
    }
    printf("%d\n", 1<<(n-1));
    forn(i, 1<<n) if(!(i && (__builtin_popcount(i)&1))){
        cnt=-1, dfs(0, 0, i);
        forn(j, n+1) printf("%d ", ret[j]);
        printf("\n");
    }
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
Main.cpp:22:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         int a, b; scanf("%d %d", &a, &b);
      |                   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
110.0 / 110.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 51 ms 3556 KB Output is correct
10 Correct 5 ms 560 KB Output is correct
11 Correct 11 ms 940 KB Output is correct
12 Correct 50 ms 3532 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 52 ms 3512 KB Output is correct
15 Correct 24 ms 1740 KB Output is correct
16 Correct 11 ms 980 KB Output is correct
17 Correct 49 ms 3548 KB Output is correct
18 Correct 51 ms 3532 KB Output is correct
19 Correct 50 ms 3572 KB Output is correct
20 Correct 54 ms 3568 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 50 ms 3556 KB Output is correct
23 Correct 50 ms 3556 KB Output is correct
24 Correct 50 ms 3608 KB Output is correct
25 Correct 51 ms 3540 KB Output is correct
26 Correct 23 ms 1748 KB Output is correct