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Submission #308262

# Submission time Handle Problem Language Result Execution time Memory
308262 2020-09-30T16:25:36 Z Peti Stations (IOI20_stations) C++14
0 / 100
 867 ms 768 KB 
#include "stations.h"
#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

vector<vector<int>> g;
vector<bool> volt;

int ido = 0;
void Bejar(vector<int> &labels, int akt, int t)
{
    volt[akt] = true;

    if(t%2 == 0)
        labels[akt] = ido;
    ido++;

    for(int x : g[akt])
        if(!volt[x])
            Bejar(labels, x, t+1);

    if(t%2 == 1)
        labels[akt] = ido;
    ido++;
    return;
}

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {

    g.resize(n);
    volt.resize(n, false);
    for(int i = 0; i < n-1; i++)
    {
        g[u[i]].push_back(v[i]);
        g[v[i]].push_back(u[i]);
    }

	std::vector<int> labels(n);
    Bejar(labels, 0, 1);

	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {

    sort(c.begin(), c.end());

    if(s < c[0])
    {
        if(t < s || t > (*c.rbegin()))
            return (*c.rbegin());
        for(int x : c)
            if(x >= t)
                return x;
    }
    else
    {
        if(t > s || t <= c[0])
            return c[0];
        reverse(c.begin(), c.end());
        for(int x : c)
            if(x <= t)
                return x;
    }

	return -1;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 512 KB Invalid labels (duplicates values). scenario=1, label=0
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 508 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=1991
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 867 ms 768 KB Output is correct
2 Incorrect 1 ms 256 KB Invalid labels (duplicates values). scenario=1, label=0
3 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 512 KB Invalid labels (duplicates values). scenario=1, label=0
2 Halted 0 ms 0 KB -