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Submission #320152

# Submission time Handle Problem Language Result Execution time Memory
320152 2020-11-07T19:01:19 Z nickmet2004 Stations (IOI20_stations) C++14
0 / 100
 1 ms 492 KB 
#include<bits/stdc++.h>
#include "stations.h"
using namespace std;
const int N = 1005;
vector<int> adj[N];
int dtime ,  a[N];
void dfs(int u , int p = -1){
    a[u] =1000 * dtime; dtime++;
    for(int v : adj[u])if(v ^ p)dfs(v ,u);
    a[u] += dtime;
}
vector<int> label(int n , int k ,vector<int> u , vector<int> v){
    for(int i = 0; i < n; ++i) adj[i].clear();
    for(int i = 0; i < n-1; ++i) adj[u[i]].emplace_back(v[i]) , adj[v[i]].emplace_back(u[i]);
    vector<int> R(n);
    dtime =0;
    dfs(0);
    for(int i=0; i < n; ++i)R.emplace_back(a[i]);
    return R;
}
int find_next_station(int s , int t , vector<int> c){
    reverse(c.begin() , c.end());
    for(int x : c){
        int in = x / 1000 , out = x % 1000;
        if(in <= t && t <= out) return x;
    }
    return c.back();
}
/*
int main (){
    cin >> n;
    for(int i =1; i < n; ++i){
        int u , v; cin >> u>> v;
        adj[u].emplace_back(v); adj[v].emplace_back(u);
    }
    vector<int> k = label(n , 1 , {3} , {3});
    cout << find_next_station(1 , 3 , {3 , 2 ,0}) << endl;
}
*/
//int main (){}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Invalid length of array as the response of 'label'. scenario=0, n=10, len=20
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Invalid length of array as the response of 'label'. scenario=0, n=996, len=1992
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 492 KB Invalid length of array as the response of 'label'. scenario=0, n=2, len=4
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Invalid length of array as the response of 'label'. scenario=0, n=2, len=4
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Invalid length of array as the response of 'label'. scenario=0, n=3, len=6
2 Halted 0 ms 0 KB -