답안 #1060061

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1060061 2024-08-15T10:21:45 Z dozer 봉쇄 시간 (IOI23_closing) C++17
8 / 100
58 ms 17904 KB
#include "closing.h"
#include <bits/stdc++.h>
using namespace std;
#define sp " " 
#define endl "\n"
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define pb push_back
#define pii pair<int, int>
#define st first
#define nd second
#define LL node * 2
#define RR node * 2 + 1
#define ll long long

const int modulo = 1e9 + 7;
const ll INF = 2e18 + 7;


int max_score(int N, int X, int Y, long long K, vector<int> U, vector<int> V, vector<int> W)
{
    vector<pii> adj[N + 5];
    vector<int> done(N, 0);
    for (int i = 0; i < N - 1; i++){
        adj[U[i]].pb({V[i], W[i]});
        adj[V[i]].pb({U[i], W[i]});
    }

    priority_queue<pair<ll, ll>> q;
    q.push({0, X});
    q.push({0, Y});
    int ans = 0;
    ll sum = 0;
    while(!q.empty()){
        pii tmp = q.top();
        q.pop();
        int top = tmp.nd, d = -tmp.st;
        if (K < d) break;
        done[top] = 1;
        ans++;
        K -= d;
        for (auto i : adj[top]){
            int v = i.st, w = i.nd;
            if (done[v]) continue;
            q.push({-(d + w), v});
        }
    }

    return ans;
}
/*

int main()
{
    fileio();
    int Q;
    assert(1 == scanf("%d", &Q));

    std::vector<int> N(Q), X(Q), Y(Q);
    std::vector<long long> K(Q);
    std::vector<std::vector<int>> U(Q), V(Q), W(Q);

    for (int q = 0; q < Q; q++)
    {
        assert(4 == scanf("%d %d %d %lld", &N[q], &X[q], &Y[q], &K[q]));

        U[q].resize(N[q] - 1);
        V[q].resize(N[q] - 1);
        W[q].resize(N[q] - 1);
        for (int i = 0; i < N[q] - 1; ++i)
        {
            assert(3 == scanf("%d %d %d", &U[q][i], &V[q][i], &W[q][i]));
        }
    }
    fclose(stdin);

    std::vector<int> result(Q);
    for (int q = 0; q < Q; q++)
    {
        result[q] = max_score(N[q], X[q], Y[q], K[q], U[q], V[q], W[q]);
    }

    for (int q = 0; q < Q; q++)
    {
        printf("%d\n", result[q]);
    }
    fclose(stdout);

    return 0;
}*/

Compilation message

closing.cpp: In function 'int max_score(int, int, int, long long int, std::vector<int>, std::vector<int>, std::vector<int>)':
closing.cpp:33:8: warning: unused variable 'sum' [-Wunused-variable]
   33 |     ll sum = 0;
      |        ^~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 58 ms 17904 KB Output is correct
2 Correct 58 ms 17384 KB Output is correct
3 Correct 43 ms 2648 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '30', found: '18'
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '30', found: '18'
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '30', found: '18'
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -