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Submission #391535

# Submission time Handle Problem Language Result Execution time Memory
391535 2021-04-19T09:02:37 Z nohaxjustsoflo Burza (COCI16_burza) C++17
0 / 160
 1 ms 332 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;

const int mxN = 405;
const int mxP = 7;
const int mod = 1e9+7;

bool vis[mxN];
int p[mxN];
vector<int> adj[mxN];
int down[mxN];
void dfs(int i)
{
    for(int j : adj[i])
    {
        if(j == p[i]) continue;
        p[j] = i;
        down[j] = down[i] + 1;
        dfs(j);
    }
}
///dali mogu odigrati k koraka
bool solve(int i, int k)
{
    if(k == 0) return true;
    int cnt = 0;
    for(int j : adj[i])
    {
        if(j == p[i]) continue;
        cnt += solve(j, k-1);
    }
    return cnt > 1;
}

int main()
{
    int n, k; cin >> n >> k;
    for(int i = 1; i < n; i++)
    {
        int u, v; cin >> u >> v;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    dfs(1);
    cout << (solve(1, k)?"NE":"DA");
}

Subtask #1
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 236 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 308 KB Output isn't correct
2 Halted 0 ms 0 KB -