#include <bits/stdc++.h>
using namespace std;
// #define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int mod = 1e9 + 7;
const int N = 2e5;
int dp[N];
int n;
vector<int> g[N];
int ans;
void dfs(int v, int par){
for(int to : g[v]){
if(to != par) dfs(to, v);
}
int to = par;
if(par != v && dp[v] == -1 && dp[to] == -1){
dp[v] = to, dp[to] = v;
ans+= 2;
}
}
main(){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
for(int i = 0;i < N; i++) dp[i] = -1;
cin >> n;
for(int i = 0;i < n-1; i++){
int a, b; cin >> a >> b;
g[a].push_back(b);
g[b].push_back(a);
}
dfs(1, 1);
for(int i = 1;i <= n; i++){
if(dp[i] == -1){
int to = g[i][0];
dp[i] = i;
swap(dp[to], dp[i]);
ans+= 2;
}
}
cout << ans << ' ' << ans << '\n';
for(int i = 1;i <= n; i++) cout << dp[i] << ' ';
cout << '\n';
for(int i = 1;i <= n; i++) cout << dp[i] << ' ';
return 0;
}
Compilation message
Village.cpp:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
27 | main(){
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 2 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 3 |
Correct |
1 ms |
5724 KB |
Output is correct |
| 4 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 5 |
Partially correct |
2 ms |
5740 KB |
Partially correct |
| 6 |
Partially correct |
2 ms |
5720 KB |
Partially correct |
| 7 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 8 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 9 |
Partially correct |
2 ms |
5720 KB |
Partially correct |
| 10 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 11 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 12 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 13 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 14 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 15 |
Partially correct |
2 ms |
5720 KB |
Partially correct |
| 16 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 17 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 2 |
Partially correct |
2 ms |
5932 KB |
Partially correct |
| 3 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 4 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 5 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 6 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 7 |
Partially correct |
2 ms |
5976 KB |
Partially correct |
| 8 |
Partially correct |
2 ms |
5976 KB |
Partially correct |
| 9 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 10 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 11 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 12 |
Correct |
2 ms |
5940 KB |
Output is correct |
| 13 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 14 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 15 |
Partially correct |
2 ms |
5752 KB |
Partially correct |
| 16 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 17 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 18 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 19 |
Partially correct |
2 ms |
6232 KB |
Partially correct |
| 20 |
Partially correct |
2 ms |
5936 KB |
Partially correct |
| 21 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 22 |
Partially correct |
2 ms |
5976 KB |
Partially correct |
| 23 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 24 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 25 |
Partially correct |
2 ms |
5936 KB |
Partially correct |
| 26 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 27 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 28 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 29 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 30 |
Partially correct |
2 ms |
5976 KB |
Partially correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 2 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 3 |
Correct |
1 ms |
5724 KB |
Output is correct |
| 4 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 5 |
Partially correct |
2 ms |
5740 KB |
Partially correct |
| 6 |
Partially correct |
2 ms |
5720 KB |
Partially correct |
| 7 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 8 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 9 |
Partially correct |
2 ms |
5720 KB |
Partially correct |
| 10 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 11 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 12 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 13 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 14 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 15 |
Partially correct |
2 ms |
5720 KB |
Partially correct |
| 16 |
Partially correct |
1 ms |
5724 KB |
Partially correct |
| 17 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 18 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 19 |
Partially correct |
2 ms |
5932 KB |
Partially correct |
| 20 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 21 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 22 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 23 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 24 |
Partially correct |
2 ms |
5976 KB |
Partially correct |
| 25 |
Partially correct |
2 ms |
5976 KB |
Partially correct |
| 26 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 27 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 28 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 29 |
Correct |
2 ms |
5940 KB |
Output is correct |
| 30 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 31 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 32 |
Partially correct |
2 ms |
5752 KB |
Partially correct |
| 33 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 34 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 35 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 36 |
Partially correct |
2 ms |
6232 KB |
Partially correct |
| 37 |
Partially correct |
2 ms |
5936 KB |
Partially correct |
| 38 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 39 |
Partially correct |
2 ms |
5976 KB |
Partially correct |
| 40 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 41 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 42 |
Partially correct |
2 ms |
5936 KB |
Partially correct |
| 43 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 44 |
Partially correct |
2 ms |
5724 KB |
Partially correct |
| 45 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 46 |
Partially correct |
2 ms |
5980 KB |
Partially correct |
| 47 |
Partially correct |
2 ms |
5976 KB |
Partially correct |
| 48 |
Partially correct |
43 ms |
10836 KB |
Partially correct |
| 49 |
Partially correct |
36 ms |
11524 KB |
Partially correct |
| 50 |
Partially correct |
37 ms |
11516 KB |
Partially correct |
| 51 |
Partially correct |
27 ms |
10064 KB |
Partially correct |
| 52 |
Partially correct |
35 ms |
11348 KB |
Partially correct |
| 53 |
Partially correct |
34 ms |
10836 KB |
Partially correct |
| 54 |
Partially correct |
19 ms |
10556 KB |
Partially correct |
| 55 |
Partially correct |
38 ms |
15696 KB |
Partially correct |
| 56 |
Partially correct |
38 ms |
13392 KB |
Partially correct |
| 57 |
Partially correct |
41 ms |
12624 KB |
Partially correct |
| 58 |
Partially correct |
42 ms |
12112 KB |
Partially correct |
| 59 |
Partially correct |
38 ms |
11404 KB |
Partially correct |
| 60 |
Correct |
29 ms |
11476 KB |
Output is correct |
| 61 |
Partially correct |
31 ms |
11652 KB |
Partially correct |
| 62 |
Partially correct |
34 ms |
11856 KB |
Partially correct |
| 63 |
Partially correct |
30 ms |
11500 KB |
Partially correct |
| 64 |
Partially correct |
33 ms |
11808 KB |
Partially correct |
| 65 |
Partially correct |
44 ms |
11776 KB |
Partially correct |
| 66 |
Partially correct |
30 ms |
11348 KB |
Partially correct |
| 67 |
Partially correct |
23 ms |
10072 KB |
Partially correct |
| 68 |
Partially correct |
29 ms |
10776 KB |
Partially correct |
| 69 |
Partially correct |
35 ms |
11868 KB |
Partially correct |
| 70 |
Partially correct |
30 ms |
11348 KB |
Partially correct |
| 71 |
Partially correct |
22 ms |
10068 KB |
Partially correct |
| 72 |
Partially correct |
24 ms |
10576 KB |
Partially correct |
| 73 |
Partially correct |
30 ms |
11860 KB |
Partially correct |
| 74 |
Partially correct |
29 ms |
11356 KB |
Partially correct |
| 75 |
Partially correct |
36 ms |
11196 KB |
Partially correct |
| 76 |
Partially correct |
44 ms |
11192 KB |
Partially correct |
| 77 |
Partially correct |
32 ms |
11600 KB |
Partially correct |
| 78 |
Partially correct |
24 ms |
9732 KB |
Partially correct |
| 79 |
Partially correct |
27 ms |
10300 KB |
Partially correct |
| 80 |
Partially correct |
35 ms |
11348 KB |
Partially correct |
| 81 |
Partially correct |
34 ms |
11604 KB |
Partially correct |
| 82 |
Partially correct |
29 ms |
11604 KB |
Partially correct |
