#include <bits/stdc++.h>
using namespace std;
#define sz(x) (int)x.size()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define cmin(a, b) a=min(a, b)
#define cmax(a, b) a=max(a, b)
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define int long long
void solve();
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
solve();
return 0;
}
vector<vector<int>> vec;
void print() {
cout << sz(vec) << endl;
for (auto &a: vec) {
for (auto &u: a) cout << u << ' ';
cout << endl;
}
cout << endl;
}
void add(vector<int> &a) { vec.pb(a); }
int n, m;
vector<int> a;
vector<set<int>> adj;
void execute(int x, int par=-1) {
for (auto u: adj[x]) if (u!=par) {
auto temp=a; temp[x]=0, temp[u]=0;
add(temp);
execute(u, x);
add(temp);
}
}
void solve() {
cin >> n >> m; a.clear(), a.resize(n, 0); iota(all(a), 1);
adj.clear(), adj.resize(n);
for (int i=0; i<m; i++) {
int u, v; cin >> u >> v;
adj[u].insert(v), adj[v].insert(u);
}
for (int i=0; i<n; i++) {
for (int j=0; j<n; j++) {
if (sz(adj[j])==1) {
execute(j);
adj[*adj[j].begin()].erase(j);
adj[j].clear();
break;
}
}
}
print();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Partially correct |
59 ms |
11032 KB |
Partially correct |
5 |
Partially correct |
61 ms |
11396 KB |
Partially correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Incorrect |
1 ms |
336 KB |
If people start at 0 and 1, then they can avoid each other |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Partially correct |
10 ms |
1604 KB |
Partially correct |
5 |
Partially correct |
65 ms |
10884 KB |
Partially correct |
6 |
Partially correct |
76 ms |
11396 KB |
Partially correct |
7 |
Partially correct |
23 ms |
3152 KB |
Partially correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Partially correct |
59 ms |
11032 KB |
Partially correct |
5 |
Partially correct |
61 ms |
11396 KB |
Partially correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
504 KB |
Output is correct |
9 |
Partially correct |
10 ms |
1604 KB |
Partially correct |
10 |
Partially correct |
65 ms |
10884 KB |
Partially correct |
11 |
Partially correct |
76 ms |
11396 KB |
Partially correct |
12 |
Partially correct |
23 ms |
3152 KB |
Partially correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Partially correct |
59 ms |
10984 KB |
Partially correct |
17 |
Partially correct |
64 ms |
11396 KB |
Partially correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Partially correct |
10 ms |
1616 KB |
Partially correct |
21 |
Partially correct |
60 ms |
10880 KB |
Partially correct |
22 |
Partially correct |
63 ms |
11744 KB |
Partially correct |
23 |
Partially correct |
19 ms |
3152 KB |
Partially correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Partially correct |
66 ms |
11396 KB |
Partially correct |
28 |
Partially correct |
76 ms |
11396 KB |
Partially correct |
29 |
Partially correct |
64 ms |
11396 KB |
Partially correct |
30 |
Partially correct |
64 ms |
11436 KB |
Partially correct |
31 |
Partially correct |
63 ms |
11396 KB |
Partially correct |
32 |
Partially correct |
64 ms |
11396 KB |
Partially correct |
33 |
Partially correct |
65 ms |
11400 KB |
Partially correct |
34 |
Partially correct |
90 ms |
11396 KB |
Partially correct |
35 |
Partially correct |
75 ms |
11476 KB |
Partially correct |
36 |
Partially correct |
65 ms |
11396 KB |
Partially correct |
37 |
Partially correct |
69 ms |
11396 KB |
Partially correct |
38 |
Partially correct |
64 ms |
11440 KB |
Partially correct |
39 |
Partially correct |
62 ms |
11416 KB |
Partially correct |
40 |
Partially correct |
66 ms |
11396 KB |
Partially correct |
41 |
Partially correct |
66 ms |
11396 KB |
Partially correct |
42 |
Partially correct |
66 ms |
11312 KB |
Partially correct |
43 |
Partially correct |
64 ms |
11396 KB |
Partially correct |
44 |
Partially correct |
62 ms |
11384 KB |
Partially correct |
45 |
Partially correct |
70 ms |
11404 KB |
Partially correct |
46 |
Correct |
1 ms |
336 KB |
Output is correct |
47 |
Correct |
1 ms |
336 KB |
Output is correct |
48 |
Correct |
1 ms |
336 KB |
Output is correct |
49 |
Correct |
1 ms |
336 KB |
Output is correct |
50 |
Correct |
1 ms |
336 KB |
Output is correct |
51 |
Correct |
1 ms |
336 KB |
Output is correct |
52 |
Correct |
1 ms |
336 KB |
Output is correct |
53 |
Correct |
1 ms |
336 KB |
Output is correct |
54 |
Correct |
1 ms |
336 KB |
Output is correct |
55 |
Correct |
1 ms |
336 KB |
Output is correct |
56 |
Correct |
1 ms |
504 KB |
Output is correct |
57 |
Correct |
1 ms |
336 KB |
Output is correct |
58 |
Correct |
1 ms |
336 KB |
Output is correct |
59 |
Correct |
1 ms |
336 KB |
Output is correct |
60 |
Correct |
1 ms |
336 KB |
Output is correct |
61 |
Correct |
1 ms |
336 KB |
Output is correct |
62 |
Correct |
1 ms |
336 KB |
Output is correct |
63 |
Correct |
1 ms |
336 KB |
Output is correct |
64 |
Correct |
1 ms |
336 KB |
Output is correct |
65 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Partially correct |
59 ms |
11032 KB |
Partially correct |
5 |
Partially correct |
61 ms |
11396 KB |
Partially correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Incorrect |
1 ms |
336 KB |
If people start at 0 and 1, then they can avoid each other |
8 |
Halted |
0 ms |
0 KB |
- |