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Submission #1076628

# Submission time Handle Problem Language Result Execution time Memory
1076628 2024-08-26T15:08:11 Z mindiyak Stations (IOI20_stations) C++14
0 / 100
 4 ms 596 KB 
#include "stations.h"
#include <vector>
#include <queue>

using namespace std;

vector<vector<int>> paths(1001);
vector<int> dist(1001,-1);

void dfs(int pos,int len){
	if(dist[pos] != -1)return;
	dist[pos] = 0;
	for(int i:paths[pos])dfs(i,len+1);
}


std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	std::vector<int> labels(n);
	paths = vector<vector<int>>(1001);
	dist = vector<int>(1001,-1);

	for(int i = 0;i<n-1;i++){
		paths[u[i]].push_back(v[i]);
		paths[v[i]].push_back(u[i]);
	}

	dfs(0,0);
	int head = 0,len = 0;
	for (int i = 0; i < n; i++) {
		if(len<dist[i])head = i;
		len = max(len,dist[i]);
	}
	dist = vector<int>(1001,-1);
	dfs(head,0);

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

int find_next_station(int s, int t, std::vector<int> c) {
	if(s>t)return c[0];
	return c[1];
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 596 KB Invalid labels (duplicates values). scenario=0, label=0
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 596 KB Invalid labels (duplicates values). scenario=0, label=0
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 344 KB Invalid labels (duplicates values). scenario=0, label=0
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Invalid labels (duplicates values). scenario=0, label=0
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 344 KB Invalid labels (duplicates values). scenario=0, label=0
2 Halted 0 ms 0 KB -