oj.uz

Submission #402527

# Submission time Handle Problem Language Result Execution time Memory
402527 2021-05-11T22:18:46 Z Dan4Life Stations (IOI20_stations) C++17
0 / 100
 964 ms 636 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
vector<int> adj[1001], col(1001, -1);
int lab = 0;
void dfs(int s, int p)
{
    if(col[s]==-1) col[s]=lab, lab++;
    for(auto u : adj[s])
        if(u!=p) dfs(u, s);
}
 
vector<int> label(int n, int k, vector<int> a, vector<int> b)
{
    col.resize(n); lab=0;
    for(int i = 0; i < n; i++) adj[i].clear();
	for (int i = 0; i < n-1; i++) {
		adj[a[i]].pb(b[i]);
		adj[b[i]].pb(a[i]);
	}
	for(int i = 0; i < n; i++){
        if(adj[i].size()==1){
            dfs(i, -1); break;
        }
	}
	return col;
}
 
int find_next_station(int s, int t, vector<int> c)
{
	if(c.size()==1)return c[0];
	for(int i = 0; i < (int)c.size(); i++)
        if(c[i]==t)return c[i];
	if(t<s)return c[0];
	return c[1];
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 292 KB Invalid labels (duplicates values). scenario=2, label=0
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 312 KB Invalid labels (duplicates values). scenario=3, label=0
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 320 KB Invalid labels (duplicates values). scenario=1, label=0
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 964 ms 512 KB Output is correct
2 Correct 848 ms 400 KB Output is correct
3 Incorrect 654 ms 636 KB Wrong query response.
4 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 308 KB Invalid labels (duplicates values). scenario=1, label=0
2 Halted 0 ms 0 KB -