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답안 #1065587

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1065587 2024-08-19T09:40:53 Z raspy 봉쇄 시간 (IOI23_closing) C++17
8 / 100
 106 ms 36548 KB 
#include "closing.h"

#include <vector>
#include <queue>
#include <iostream>
#define ll long long
#define vi vector<ll>
#define pb push_back
#define ii pair<ll, ll>
#define inf 1'000'000'000'000'000'000

using namespace std;

vector<ii> graf[200005];
vi dis1, dis2;

void dfs(ll u, vi& dis, ll p = -1)
{
	for (auto [v, w]:graf[u])
	{
		if (v == p) continue;
		dis[v] = dis[u]+w;
		dfs(v, dis, u);
	}
}

ll sol1(ll n, ll x, ll y, ll k)
{
	priority_queue<ll, vi, greater<ll>> pq;
	for (ll i = 0; i < n; i++)
		pq.push(dis2[i]);
	ll tk = 0;
	ll rez = 0;
	while (pq.size() && tk+pq.top() <= k)
	{
		tk+=pq.top();
		pq.pop();
		rez++;
	}
	return rez;
}

// ll sol2()
// {
	
// }

int max_score(int n, int x, int y, long long k, vector<int> U, vector<int> V, vector<int> W)
{
	for (ll i = 0; i < n; i++)
		graf[i].clear();
	dis1.clear();
	dis2.clear();
	dis1 = dis2 = vi(n, 0);
	for (ll i = 0; i < n-1; i++)
	{
		graf[U[i]].pb({V[i], W[i]});
		graf[V[i]].pb({U[i], W[i]});
	}
	dfs(x, dis1);
	dfs(y, dis2);
	for (ll i = 0; i < n; i++)
		if (dis1[i] < dis2[i])
			swap(dis1[i], dis2[i]);
	ll rez = sol1(n, x, y, k);
	return rez;
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4952 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 80 ms 31640 KB Output is correct
2 Correct 106 ms 36548 KB Output is correct
3 Correct 46 ms 9044 KB Output is correct

Subtask #2
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4956 KB Output is correct
2 Incorrect 2 ms 4956 KB 1st lines differ - on the 1st token, expected: '30', found: '17'
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4956 KB Output is correct
2 Incorrect 2 ms 4956 KB 1st lines differ - on the 1st token, expected: '30', found: '17'
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4956 KB Output is correct
2 Incorrect 2 ms 4956 KB 1st lines differ - on the 1st token, expected: '30', found: '17'
3 Halted 0 ms 0 KB -

Subtask #5
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4952 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4952 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4952 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4952 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4952 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -