Submission #966381

# Submission time Handle Problem Language Result Execution time Memory
966381 2024-04-19T19:02:15 Z VMaksimoski008 Closing Time (IOI23_closing) C++17
9 / 100
1000 ms 31756 KB
#include "closing.h"
#include <bits/stdc++.h>
using namespace std;

int n, x, y, k;
vector<vector<pair<int, int> >> graph;
const int maxn = 2e5 + 5;
using ll = long long;
ll dist[2][maxn];

void dfs(int u, int p, int t) {
    for(auto &[v, w] : graph[u]) {
        if(v == p) continue;
        dist[t][v] = dist[t][u] + w;
        dfs(v, u, t);
    }
}

int max_score(int N, int X, int Y, long long K, std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    n = N;
    x = X;
    y = Y;
    k = K;
    graph.resize(n);

    bool line = 1;
    for(int i=0; i<n-1; i++) {
        if(abs(U[i] - V[i]) != 1) line = 0;
        graph[U[i]].push_back({ V[i], W[i] });
        graph[V[i]].push_back({ U[i], W[i] });
    }

    if(line) {
        int ans = 0;
        dfs(x, x, 0);
        dfs(y, y, 1);

        for(int a=x; a<n; a++) {
            for(int b=x; b>=0; b--) {
                for(int c=y; c<n; c++) {
                    for(int d=y; d>=0; d--) {
                        ll total = 0;
                        for(int i=0; i<n; i++) {
                            ll curr = 0;
                            if(b <= i && i <= a) curr = max(curr, dist[0][i]);
                            if(d <= i && i <= c) curr = max(curr, dist[1][i]);
                            total += curr;
                        }

                        if(total <= k) ans = max(ans, a - b + c - d);
                    }
                }
            }
        }

        return ans + 2;
    }

    int ans = 0;
    ll total = 0;
    dfs(x, x, 0);
    dfs(y, y, 1);
    priority_queue<ll, vector<ll>, greater<ll> > pq;

    for(int i=0; i<2; i++)
        for(int j=0; j<n; j++) pq.push(dist[i][j]);

    while(!pq.empty() && pq.top() + total <= k) {
        ans++;
        total += pq.top();
        pq.pop();
    }

    return N;
}
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 100 ms 31756 KB 1st lines differ - on the 1st token, expected: '451', found: '200000'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 48 ms 344 KB Output is correct
7 Correct 32 ms 448 KB Output is correct
8 Correct 16 ms 444 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 48 ms 344 KB Output is correct
7 Correct 32 ms 448 KB Output is correct
8 Correct 16 ms 444 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 142 ms 440 KB Output is correct
13 Correct 103 ms 436 KB Output is correct
14 Correct 312 ms 436 KB Output is correct
15 Correct 141 ms 440 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Execution timed out 1066 ms 348 KB Time limit exceeded
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 48 ms 344 KB Output is correct
7 Correct 32 ms 448 KB Output is correct
8 Correct 16 ms 444 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 142 ms 440 KB Output is correct
13 Correct 103 ms 436 KB Output is correct
14 Correct 312 ms 436 KB Output is correct
15 Correct 141 ms 440 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Execution timed out 1066 ms 348 KB Time limit exceeded
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -