oj.uz

Submission #561565

# Submission time Handle Problem Language Result Execution time Memory
561565 2022-05-13T07:23:18 Z piOOE Road Closures (APIO21_roads) C++17
14 / 100
 62 ms 5076 KB 
#include "roads.h"

#include <bits/stdc++.h>

using namespace std;

#define all(x) begin(x), end(x)

typedef long long ll;

const int N = 201;
int A[N], B[N], W[N], n;
ll dp[N][N];
int k;
vector<pair<int, int>> g[N];

void dfs(int v, int p) {
    vector<pair<int, int>> adj;
    for (auto [to, w]: g[v]) {
        if (to != p) {
            dfs(to, v);
            adj.emplace_back(to, w);
        }
    }
    for (int con = 0; con <= min(k, (int) size(adj)); ++con) {
        vector<ll> nw;
        ll ans = 0;
        for (auto [to, w]: adj) {
            ans += dp[to][0] + w;
            if (k) {
                nw.push_back(dp[to][1] - dp[to][0] - w);
            }
        }
        sort(all(nw));
        for (int i = 0; i < con; ++i) {
            ans += nw[i];
        }
        dp[v][min(k, (int) size(adj) + 1) - con] = ans;
    }
    for (int i = min((int) size(adj) + 1, k) - 1; i > -1; --i) {
        dp[v][i] = min(dp[v][i], dp[v][i + 1]);
    }
}

vector<ll> minimum_closure_costs(int nn, vector<int> uu, vector<int> vv, vector<int> ww) {
    n = nn;
    for (int i = 0; i < n - 1; ++i) {
        A[i] = uu[i], B[i] = vv[i], W[i] = ww[i];
        g[A[i]].emplace_back(B[i], W[i]);
        g[B[i]].emplace_back(A[i], W[i]);
    }
    vector<ll> ans;
    for (k = 0; k < n; ++k) {
        dfs(0, -1);
        ans.push_back(dp[0][0]);
    }
    return ans;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Runtime error 2 ms 724 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 30 ms 4832 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 5 ms 468 KB Output is correct
5 Correct 7 ms 652 KB Output is correct
6 Correct 13 ms 596 KB Output is correct
7 Correct 7 ms 568 KB Output is correct
8 Correct 8 ms 568 KB Output is correct
9 Correct 9 ms 644 KB Output is correct
10 Correct 4 ms 596 KB Output is correct
11 Correct 4 ms 596 KB Output is correct
12 Correct 5 ms 564 KB Output is correct
13 Correct 21 ms 468 KB Output is correct
14 Correct 62 ms 632 KB Output is correct
15 Correct 41 ms 596 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 8 ms 596 KB Output is correct
18 Correct 9 ms 596 KB Output is correct
19 Correct 40 ms 628 KB Output is correct
20 Correct 49 ms 596 KB Output is correct
21 Correct 1 ms 212 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 5 ms 468 KB Output is correct
5 Correct 7 ms 652 KB Output is correct
6 Correct 13 ms 596 KB Output is correct
7 Correct 7 ms 568 KB Output is correct
8 Correct 8 ms 568 KB Output is correct
9 Correct 9 ms 644 KB Output is correct
10 Correct 4 ms 596 KB Output is correct
11 Correct 4 ms 596 KB Output is correct
12 Correct 5 ms 564 KB Output is correct
13 Correct 21 ms 468 KB Output is correct
14 Correct 62 ms 632 KB Output is correct
15 Correct 41 ms 596 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 8 ms 596 KB Output is correct
18 Correct 9 ms 596 KB Output is correct
19 Correct 40 ms 628 KB Output is correct
20 Correct 49 ms 596 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Runtime error 2 ms 596 KB Execution killed with signal 11
24 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 27 ms 5076 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 27 ms 5076 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #7
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Runtime error 2 ms 724 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -