oj.uz

Submission #959035

# Submission time Handle Problem Language Result Execution time Memory
959035 2024-04-07T12:03:07 Z The_Samurai Stations (IOI20_stations) C++17
0 / 100
 606 ms 868 KB 
#include "stations.h"
#include "bits/stdc++.h"
using namespace std;

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	vector<vector<int>> adj(n);
	vector<int> tin(n);
	vector<bool> vis(n);
	for (int i = 0; i < n - 1; i++) {
		adj[u[i]].emplace_back(v[i]);
		adj[v[i]].emplace_back(u[i]);
	}
	int z = 0;
	auto dfs = [&](auto &dfs, int u) -> void {
		tin[u] = z++;
		vis[u] = true;
		for (int v: adj[u]) {
			if (vis[v]) continue;
			dfs(dfs, v);
		}
	};
	dfs(dfs, 0);
	// cout << '\t';
	// for (int i = 0; i < n; i++) cout << tin[i] << ' ';
	// cout << endl;
	return tin;
}

int find_next_station(int s, int t, std::vector<int> c) {
	// cout << '\t' << s << ' ' << t << endl;
	// cout << '\t';
	// for (int x: c) cout << x << ' ';
	// cout << endl;
	sort(c.begin(), c.end());
	if (s == 0) {
		for (int i = c.size() - 1; i >= 0; i--) if (c[i] <= t) return c[i];
	}
	if (t <= c[0]) return c[0];
	for (int i = c.size() - 1; i >= 0; i--) {
		if (c[i] <= t) return c[i];
	}
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type]
   42 | }
      | ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 343 ms 868 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 320 ms 852 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 336 ms 868 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 606 ms 684 KB Output is correct
2 Correct 416 ms 684 KB Output is correct
3 Incorrect 363 ms 684 KB Wrong query response.
4 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 322 ms 868 KB Wrong query response.
2 Halted 0 ms 0 KB -