oj.uz

답안 #1056522

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1056522 2024-08-13T09:52:31 Z TheQuantiX 봉쇄 시간 (IOI23_closing) C++17
8 / 100
 113 ms 35264 KB 
#include "closing.h"
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

constexpr ll INF = 1000000000000000000LL;

ll n, m, q, k, x, y, a, b, c, d;
// unordered_map<ll, ll> G1[200000];
vector< pair<ll, ll> > G[200000];

void dfs(ll x, vector<ll> &dist, ll d) {
    // cout << "Enter " << x << endl;
    // cout << '\t' << dist[x] << ' ' << d << endl;
    dist[x] = d;
    for (auto i : G[x]) {
        if (dist[i.first] == INF) {
            dfs(i.first, dist, d + i.second);
        }
    }
    // cout << "Exit " << x << endl;
}

int max_score(int N, int X, int Y, long long K, vector<int> U, vector<int> V, vector<int> W) {
    n = N;
    x = X;
    y = Y;
    k = K;
    for (auto i = 0; i < n - 1; i++) {
        // G[U[i]][V[i]] = W[i];
        // G[V[i]][U[i]] = W[i];
        G[U[i]].push_back({V[i], W[i]});
        G[V[i]].push_back({U[i], W[i]});
    }
    vector<ll> dist1(n, INF), dist2(n, INF);
    dfs(x, dist1, 0);
    dfs(y, dist2, 0);
    vector<ll> vec;
    for (int i = 0; i < n; i++) {
        // cout << dist1[i] << ' ';
        vec.push_back(dist1[i]);
    }
    // cout << '\n';
    for (int i = 0; i < n; i++) {
        vec.push_back(dist2[i]);
    }
    sort(vec.begin(), vec.end());
    ll cnt = 0;
    for (auto i : vec) {
        // cout << i << '\n';
        if (k >= i) {
            cnt++;
            k -= i;
        }
        else {
            break;
        }
    }
    for (auto i = 0; i < n; i++) {
        // G[U[i]][V[i]] = W[i];
        // G[V[i]][U[i]] = W[i];
        G[i].clear();
    }
    return cnt;
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4956 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 110 ms 31928 KB Output is correct
2 Correct 113 ms 35264 KB Output is correct
3 Correct 46 ms 7508 KB Output is correct

Subtask #2
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Incorrect 2 ms 4956 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Incorrect 2 ms 4956 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Incorrect 2 ms 4956 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #5
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4956 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 4956 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 4956 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 4956 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 4956 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -