| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 763607 |
2023-06-22T13:57:33 Z |
MISM06 |
Mergers (JOI19_mergers) |
C++14 |
|
173 ms |
262144 KB |
//0 1 1 0 1
//0 1 0 0 1
//1 0 0 1 1
//0 1 1 0 1
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2")
using namespace std;
#define F first
#define S second
#define pb push_back
#define sze size()
#define all(x) x.begin() , x.end()
#define wall__ cout << "--------------------------------------\n";
#define kids int mid = (tl + tr) >> 1, cl = v << 1, cr = v << 1 | 1
#define file_io freopen("input.cpp", "r", stdin); freopen("output.cpp", "w", stdout);
typedef long long ll;
typedef long double dl;
typedef pair < int , int > pii;
typedef pair < int , ll > pil;
typedef pair < ll , int > pli;
typedef pair < ll , ll > pll;
typedef pair < int , pii > piii;
typedef pair < ll, pll > plll;
const ll N = 1e5 + 10;
const ll mod = 1e9 + 7;
const ll inf = 2e16;
const ll INF = 1e9 + 10;
const ll lg = 32;
int n, k, a[N], timer, c[N], sub[N], cnt, b[N], root;
vector < int > g[N];
vector < int > mark[N];
void dfs (int v, int p) {
sub[v] = 1; mark[v][a[v]] = 1;
for (auto u : g[v]) {
if (u == p) continue;
dfs(u, v);
sub[v] += sub[u];
b[v] |= b[u];
for (int i = 1; i <= k; i++) mark[v][i] |= mark[u][i];
}
ll x = 0;
for (int y = 1; y <= k; y++) {
if (mark[v][y]) x += c[y];
}
if ((x == sub[v]) && (v != root)) {
if(b[v] == 0) {
b[v] = 1;
++cnt;
}
}
}
void solve () {
cin >> n >> k;
for (int i = 1; i < n; i++) {
int v, u; cin >> v >> u;
g[v].pb(u); g[u].pb(v);
}
for (int i = 1; i <= n; i++) {
mark[i].resize(k + 1, 0);
}
for (int i = 1; i <= n; i++) {
cin >> a[i]; ++c[a[i]];
}
root = 1;
for (int i = 2; i <= n; i++) {
if (g[i].sze > g[root].sze) root = i;
}
dfs(root, 0);
int ans = (cnt + 1) / 2;
cout << ans << '\n';
}
int main() {
// ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int t = 1;
// cin >> t;
while (t--) {solve();}
return 0;
}
/*
*/
//shrek will AC this;
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 23 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 24 |
Correct |
2 ms |
4948 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 23 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 24 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 25 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 26 |
Correct |
22 ms |
28628 KB |
Output is correct |
| 27 |
Correct |
5 ms |
5716 KB |
Output is correct |
| 28 |
Correct |
29 ms |
40488 KB |
Output is correct |
| 29 |
Correct |
30 ms |
40396 KB |
Output is correct |
| 30 |
Correct |
6 ms |
7508 KB |
Output is correct |
| 31 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 32 |
Correct |
34 ms |
40640 KB |
Output is correct |
| 33 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 34 |
Correct |
4 ms |
5716 KB |
Output is correct |
| 35 |
Correct |
31 ms |
40320 KB |
Output is correct |
| 36 |
Correct |
4 ms |
5716 KB |
Output is correct |
| 37 |
Correct |
18 ms |
22800 KB |
Output is correct |
| 38 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 39 |
Correct |
17 ms |
22780 KB |
Output is correct |
| 40 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 41 |
Incorrect |
4 ms |
5332 KB |
Output isn't correct |
| 42 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 23 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 24 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 25 |
Correct |
2 ms |
4932 KB |
Output is correct |
| 26 |
Correct |
111 ms |
31164 KB |
Output is correct |
| 27 |
Correct |
114 ms |
31304 KB |
Output is correct |
| 28 |
Correct |
4 ms |
5716 KB |
Output is correct |
| 29 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 30 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 31 |
Correct |
114 ms |
31264 KB |
Output is correct |
| 32 |
Correct |
5 ms |
5716 KB |
Output is correct |
| 33 |
Correct |
139 ms |
39932 KB |
Output is correct |
| 34 |
Correct |
115 ms |
31264 KB |
Output is correct |
| 35 |
Correct |
4 ms |
5716 KB |
Output is correct |
| 36 |
Correct |
125 ms |
32132 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 38 |
Incorrect |
4 ms |
5204 KB |
Output isn't correct |
| 39 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
110 ms |
31212 KB |
Output is correct |
| 2 |
Runtime error |
173 ms |
262144 KB |
Execution killed with signal 9 |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 23 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 24 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 25 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 26 |
Correct |
22 ms |
28628 KB |
Output is correct |
| 27 |
Correct |
5 ms |
5716 KB |
Output is correct |
| 28 |
Correct |
29 ms |
40488 KB |
Output is correct |
| 29 |
Correct |
30 ms |
40396 KB |
Output is correct |
| 30 |
Correct |
6 ms |
7508 KB |
Output is correct |
| 31 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 32 |
Correct |
34 ms |
40640 KB |
Output is correct |
| 33 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 34 |
Correct |
4 ms |
5716 KB |
Output is correct |
| 35 |
Correct |
31 ms |
40320 KB |
Output is correct |
| 36 |
Correct |
4 ms |
5716 KB |
Output is correct |
| 37 |
Correct |
18 ms |
22800 KB |
Output is correct |
| 38 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 39 |
Correct |
17 ms |
22780 KB |
Output is correct |
| 40 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 41 |
Incorrect |
4 ms |
5332 KB |
Output isn't correct |
| 42 |
Halted |
0 ms |
0 KB |
- |
