oj.uz

답안 #789102

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
789102 2023-07-21T04:48:21 Z ono_de206 Cat Exercise (JOI23_ho_t4) C++14
31 / 100
 2000 ms 29076 KB 
#include<bits/stdc++.h>
using namespace std;

#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

#define int long long

typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
typedef pair<int, int> P;

template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
	out << c.first << ' ' << c.second;
	return out;
}

template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
	const int sz = v.size();
	for (int i = 0; i < sz; i++) {
		if (i) out << ' ';
		out << v[i];
	}
	return out;
}

template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
	for (T &x : v) in >> x;
	return in;
}

template<typename T, typename U>
	istream & operator >> (istream &in, pair<T, U> &c) {
	in >> c.first;
	in >> c.second;
	return in;
}

template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}

const int mxn = 2e5 + 10, inf = 1e18 + 10;
int p[mxn], vis[mxn];
vector<int> g[mxn];
pair<int, int> mx;

void dfs(int to, int fr, int dp = 1) {
	if(p[mx.ff] < p[to]) mx = {to, dp};
	for(int x : g[to]) {
		if(vis[x] || x == fr) continue;
		dfs(x, to, dp + 1);
	}
}

int solve(int n) {
	vis[n] = 1;
	int ret = 0;
	for(int x : g[n]) {
		if(vis[x]) continue;
		mx = {0, 0};
		dfs(x, n);
		mxx(ret, mx.ss + solve(mx.ff));
	}
	return ret;
}

void go() {
	int n, root = 0;
	cin >> n;
	for(int i = 1; i <= n; i++) {
		cin >> p[i];
		if(p[i] == n) root = i;
	}
	for(int i = 1; i < n; i++) {
		int x, y;
		cin >> x >> y;
		g[x].pb(y);
		g[y].pb(x);
	}
	cout << solve(root) << '\n';
}

signed main() {
	fast;
	int t = 1;
	// cin >> t;
	while(t--) {
		go();
	}
	return 0;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 3 ms 4948 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 3 ms 4948 KB Output is correct
11 Correct 3 ms 5024 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 5024 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 3 ms 4948 KB Output is correct
11 Correct 3 ms 5024 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 5024 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 86 ms 5608 KB Output is correct
19 Correct 84 ms 5588 KB Output is correct
20 Correct 75 ms 5604 KB Output is correct
21 Correct 4 ms 5556 KB Output is correct
22 Correct 4 ms 5460 KB Output is correct
23 Correct 4 ms 5460 KB Output is correct
24 Correct 4 ms 5460 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 3 ms 4948 KB Output is correct
11 Correct 3 ms 5024 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 5024 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 86 ms 5608 KB Output is correct
19 Correct 84 ms 5588 KB Output is correct
20 Correct 75 ms 5604 KB Output is correct
21 Correct 4 ms 5556 KB Output is correct
22 Correct 4 ms 5460 KB Output is correct
23 Correct 4 ms 5460 KB Output is correct
24 Correct 4 ms 5460 KB Output is correct
25 Correct 2 ms 4948 KB Output is correct
26 Correct 95 ms 5548 KB Output is correct
27 Correct 89 ms 5564 KB Output is correct
28 Correct 84 ms 5588 KB Output is correct
29 Correct 92 ms 5588 KB Output is correct
30 Correct 10 ms 5368 KB Output is correct
31 Correct 13 ms 5368 KB Output is correct
32 Correct 10 ms 5376 KB Output is correct
33 Correct 12 ms 5296 KB Output is correct

Subtask #5
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 3 ms 4948 KB Output is correct
11 Correct 3 ms 5024 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 5024 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 86 ms 5608 KB Output is correct
19 Correct 84 ms 5588 KB Output is correct
20 Correct 75 ms 5604 KB Output is correct
21 Correct 4 ms 5556 KB Output is correct
22 Correct 4 ms 5460 KB Output is correct
23 Correct 4 ms 5460 KB Output is correct
24 Correct 4 ms 5460 KB Output is correct
25 Execution timed out 2086 ms 29076 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Execution timed out 2054 ms 19712 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 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 3 ms 4948 KB Output is correct
11 Correct 3 ms 5024 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 5024 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 86 ms 5608 KB Output is correct
19 Correct 84 ms 5588 KB Output is correct
20 Correct 75 ms 5604 KB Output is correct
21 Correct 4 ms 5556 KB Output is correct
22 Correct 4 ms 5460 KB Output is correct
23 Correct 4 ms 5460 KB Output is correct
24 Correct 4 ms 5460 KB Output is correct
25 Correct 2 ms 4948 KB Output is correct
26 Correct 95 ms 5548 KB Output is correct
27 Correct 89 ms 5564 KB Output is correct
28 Correct 84 ms 5588 KB Output is correct
29 Correct 92 ms 5588 KB Output is correct
30 Correct 10 ms 5368 KB Output is correct
31 Correct 13 ms 5368 KB Output is correct
32 Correct 10 ms 5376 KB Output is correct
33 Correct 12 ms 5296 KB Output is correct
34 Execution timed out 2086 ms 29076 KB Time limit exceeded
35 Halted 0 ms 0 KB -