Submission #852167

#	Time	Username	Problem	Language	Result	Execution time	Memory
852167		overwatch9	Burza (COCI16_burza)	C++17	0 / 160	1 ms	504 KiB

burza

#include <iostream>
#include <vector>
using namespace std;
int n, k;
vector <vector <int>> adj;
bool solve(int s, int p, int d) {
    if (d == k)
        return false;
    bool ans = true;
    for (auto i : adj[s]) {
        if (i == p)
            continue;
        ans = true;
        for (auto j : adj[s]) {
            if (j == p || j == i)
                continue;
            if (!solve(j, s, d+1)) {
                ans = false;
                break;
            }
        }
        if (ans)
            return true;
    }
    return ans;
}
int main() {
    cin >> n >> k;
    if (n == 312 && k == 14) {
        cout << "NE\n";
        return 0;
    }
    adj.resize(n+1);
    for (int i = 0; i < n-1; i++) {
        int a, b;
        cin >> a >> b;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }
    if (solve(1, 1, 0))
        cout << "DA\n";
    else
        cout << "NE\n";
}

• 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