Submission #47823

#	Time	Username	Problem	Language	Result	Execution time	Memory
47823		tieunhi	Burza (COCI16_burza)	C++14	0 / 160	2 ms	896 KiB

burza

#include <bits/stdc++.h>
#define PB push_back
#define N 405
using namespace std;

int n, k;
vector<int> g[N];
int DFS(int u, int p)
{
	int f1 = 0, f2 = 0;
	for (auto v : g[u])
	{
		if (v == p) continue;
		int z = DFS(v, u);
		if (z >= f1)
		{
			f2 = f1;
			f1 = z;
		}
		else if (z > f2)
			f2 = z;
	}
	return f2 + 1;
}
int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	//freopen("INP.TXT", "r", stdin);
	cin >> n >> k;
	for (int i = 1; i < n; i++)
	{
		int u, v; cin >> u >> v;
		g[u].PB(v); g[v].PB(u);
	}
	int res = DFS(1, -1);
	if (res <= k) cout <<"DA";
	else cout <<"NE";
}

• Subtask 1: 0 / 16
• Subtask 2: 0 / 16
• Subtask 3: 0 / 16
• Subtask 4: 0 / 16
• Subtask 5: 0 / 16
• Subtask 6: 0 / 16
• Subtask 7: 0 / 16
• Subtask 8: 0 / 16
• Subtask 9: 0 / 16
• Subtask 10: 0 / 16