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Submission #429805

# Submission time Handle Problem Language Result Execution time Memory
429805 2021-06-16T09:44:50 Z dreezy Stations (IOI20_stations) C++17
0 / 100
 1 ms 456 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	vector<int> cnt;
	vector<int> labels(n);
	vector<vector<int>> graph(n, vector<int>());
	for (int i = 0; i < n - 1; i++) {
		cnt[u[i]]++;
		cnt[v[i]]++;
		graph[u[i]].pb(v[i]);
		graph[v[i]].pb(u[i]);
	}
	
	int cur = 0;
	for(int i =0; i <n; i++)
		if(cnt[i] == 1) {
			cur = i;
			break;
		}
	vector<bool> vis(n);
	int counter = 0;
	while(true){
		labels[cur] = counter++;
		vis[cur] = true;
		bool done = true;
		for(int adj : graph[cur]){
			if(vis[adj]) continue;
			done = false;
			cur = adj;
			break;
		}
		if(done ) break;
	}
	
	return labels;
}

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


/************/

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 284 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 456 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 276 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 276 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 328 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -