oj.uz

Submission #306772

# Submission time Handle Problem Language Result Execution time Memory
306772 2020-09-26T09:03:28 Z VEGAnn Stations (IOI20_stations) C++14
0 / 100
 913 ms 1024 KB 
#include "stations.h"
#include <bits/stdc++.h>
#define PB push_back
#define sz(x) ((int)x.size())
using namespace std;
vector<int> g[1000];
int tin[1000], tout[1000], tt = 0;

void dfs(int v, int p){
    tin[v] = tt++;

    for (int u : g[v]){
        if (u == p) continue;
        dfs(u, v);
    }

    tout[v] = tt - 1;
}

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    for (int i = 0; i < n; i++)
        g[i].clear();

    tt = 0;

    for (int i = 0; i < sz(u); i++){
        g[u[i]].PB(v[i]);
        g[v[i]].PB(u[i]);
    }

    int root = 0;

    while (sz(g[root]) > 1) root++;

    dfs(0, -1);

    vector<int> labels;

    labels.resize(n);

    for (int i = 0; i < n; i++) {
        labels[i] = tin[i];
    }

	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
    int dst = int(2e9), best = 0;

    for (int v : c)
        if (abs(v - t) < dst){
            dst = abs(v - t);
            best = v;
        }

    return best;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 589 ms 768 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 474 ms 896 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 541 ms 768 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 913 ms 1024 KB Output is correct
2 Correct 663 ms 876 KB Output is correct
3 Incorrect 576 ms 768 KB Wrong query response.
4 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 544 ms 772 KB Wrong query response.
2 Halted 0 ms 0 KB -