| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 726022 |
2023-04-18T10:14:41 Z |
Johann |
Village (BOI20_village) |
C++14 |
|
103 ms |
15336 KB |
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vpii;
typedef vector<vpii> vvpii;
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
int N;
vvi adj;
vi dpP, dpN;
vi ans_mini;
int miniCheck = 0;
void dfs_mini(int v, int p)
{
if (sz(adj[v]) == 1 && v != p)
{
// leaf
dpN[v] = 0;
dpP[v] = INT_MAX;
return;
}
for (int u : adj[v])
if (u != p)
dfs_mini(u, v);
dpN[v] = 0;
for (int u : adj[v])
if (u != p)
dpN[v] += min(dpP[u], dpN[u] + 2);
for (int u : adj[v])
if (u != p)
{
int tmp = dpN[v] - min(dpP[u], dpN[u] + 2) + min(dpP[u], dpN[u]) + 2;
dpP[v] = min(dpP[v], tmp);
}
}
void reconstruct_dpP(int v, int p);
void reconstruct_dpN(int v, int p, int except);
void reconstruct_dpN(int v, int p, int except = -1)
{
if (sz(adj[v]) == 1 && v != p)
return; // leaf
for (int u : adj[v])
{
if (u == p)
continue;
if (u == except)
{
swap(ans_mini[v], ans_mini[u]);
miniCheck += 2;
if (dpP[u] < dpN[u])
reconstruct_dpP(u, v);
else
reconstruct_dpN(u, v);
}
else if (dpP[u] < dpN[u] + 2)
reconstruct_dpP(u, v);
else
{
swap(ans_mini[v], ans_mini[u]);
miniCheck += 2;
reconstruct_dpN(u, v);
}
}
}
void reconstruct_dpP(int v, int p)
{
if (sz(adj[v]) == 1 && v != p)
return; // leaf
int w = -1;
for (int u : adj[v])
if (u != p)
{
int tmp = dpN[v] - min(dpP[u], dpN[u] + 2) + min(dpP[u], dpN[u]) + 2;
if (dpP[v] == tmp)
{
w = u;
break;
}
}
reconstruct_dpN(v, p, w);
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cin >> N;
adj.resize(N);
for (int i = 0, a, b; i < N - 1; ++i)
{
cin >> a >> b, --a, --b;
adj[a].push_back(b), adj[b].push_back(a);
}
dpP.assign(N, INT_MAX), dpN.assign(N, INT_MAX);
dfs_mini(0, 0);
ans_mini.resize(N);
iota(all(ans_mini), 1);
reconstruct_dpP(0, 0);
cout << dpP[0] << " ";
cout << miniCheck << endl;
assert(miniCheck == dpP[0]);
for (int v : ans_mini)
cout << v << " ";
cout << endl;
for (int v : ans_mini)
cout << v << " ";
cout << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 2 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 5 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 6 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 7 |
Correct |
1 ms |
324 KB |
Output is correct |
| 8 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 9 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 10 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 11 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 12 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 13 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 16 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 17 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 2 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 3 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 4 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 5 |
Partially correct |
2 ms |
340 KB |
Partially correct |
| 6 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 7 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 8 |
Partially correct |
2 ms |
340 KB |
Partially correct |
| 9 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 10 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 11 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 14 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 15 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 16 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 17 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 18 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 19 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 20 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 21 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 22 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 23 |
Partially correct |
1 ms |
328 KB |
Partially correct |
| 24 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 25 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 26 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 27 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 28 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 29 |
Partially correct |
1 ms |
316 KB |
Partially correct |
| 30 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 2 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 5 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 6 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 7 |
Correct |
1 ms |
324 KB |
Output is correct |
| 8 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 9 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 10 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 11 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 12 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 13 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 16 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 17 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 18 |
Partially correct |
1 ms |
212 KB |
Partially correct |
| 19 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 20 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 21 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 22 |
Partially correct |
2 ms |
340 KB |
Partially correct |
| 23 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 24 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 25 |
Partially correct |
2 ms |
340 KB |
Partially correct |
| 26 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 27 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 28 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 31 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 32 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 33 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 34 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 35 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 36 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 37 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 38 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 39 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 40 |
Partially correct |
1 ms |
328 KB |
Partially correct |
| 41 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 42 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 43 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 44 |
Partially correct |
1 ms |
320 KB |
Partially correct |
| 45 |
Partially correct |
1 ms |
340 KB |
Partially correct |
| 46 |
Partially correct |
1 ms |
316 KB |
Partially correct |
| 47 |
Partially correct |
1 ms |
324 KB |
Partially correct |
| 48 |
Partially correct |
65 ms |
8528 KB |
Partially correct |
| 49 |
Partially correct |
67 ms |
9424 KB |
Partially correct |
| 50 |
Partially correct |
91 ms |
9344 KB |
Partially correct |
| 51 |
Partially correct |
50 ms |
7396 KB |
Partially correct |
| 52 |
Partially correct |
68 ms |
9324 KB |
Partially correct |
| 53 |
Partially correct |
53 ms |
8420 KB |
Partially correct |
| 54 |
Partially correct |
30 ms |
7508 KB |
Partially correct |
| 55 |
Partially correct |
78 ms |
15336 KB |
Partially correct |
| 56 |
Partially correct |
103 ms |
12108 KB |
Partially correct |
| 57 |
Partially correct |
83 ms |
11084 KB |
Partially correct |
| 58 |
Partially correct |
99 ms |
10316 KB |
Partially correct |
| 59 |
Partially correct |
69 ms |
9432 KB |
Partially correct |
| 60 |
Correct |
55 ms |
9672 KB |
Output is correct |
| 61 |
Partially correct |
49 ms |
9780 KB |
Partially correct |
| 62 |
Partially correct |
54 ms |
9804 KB |
Partially correct |
| 63 |
Partially correct |
44 ms |
9248 KB |
Partially correct |
| 64 |
Partially correct |
68 ms |
9700 KB |
Partially correct |
| 65 |
Partially correct |
50 ms |
9768 KB |
Partially correct |
| 66 |
Partially correct |
63 ms |
9144 KB |
Partially correct |
| 67 |
Partially correct |
53 ms |
7196 KB |
Partially correct |
| 68 |
Partially correct |
52 ms |
8300 KB |
Partially correct |
| 69 |
Partially correct |
48 ms |
9816 KB |
Partially correct |
| 70 |
Partially correct |
46 ms |
9212 KB |
Partially correct |
| 71 |
Partially correct |
32 ms |
6988 KB |
Partially correct |
| 72 |
Partially correct |
41 ms |
7888 KB |
Partially correct |
| 73 |
Partially correct |
46 ms |
9888 KB |
Partially correct |
| 74 |
Partially correct |
47 ms |
9040 KB |
Partially correct |
| 75 |
Partially correct |
75 ms |
9216 KB |
Partially correct |
| 76 |
Partially correct |
75 ms |
9216 KB |
Partially correct |
| 77 |
Partially correct |
52 ms |
9292 KB |
Partially correct |
| 78 |
Partially correct |
39 ms |
6348 KB |
Partially correct |
| 79 |
Partially correct |
40 ms |
7372 KB |
Partially correct |
| 80 |
Partially correct |
71 ms |
9292 KB |
Partially correct |
| 81 |
Partially correct |
64 ms |
9536 KB |
Partially correct |
| 82 |
Partially correct |
45 ms |
9548 KB |
Partially correct |
