oj.uz

Submission #791609

# Submission time Handle Problem Language Result Execution time Memory
791609 2023-07-24T07:59:20 Z PoonYaPat Star Trek (CEOI20_startrek) C++14
7 / 100
 1 ms 2704 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int n;
bool win[100005][2][2],W[100005][2];
int cnt[100005][2];
vector<int> adj[100005];
ll d;
const ll mod=1e9+7;

ll power(ll a, ll h) {
    ll res=1;
    while (h) {
        if (h%2==1) res=(res*a)%mod;
        a=(a*a)%mod;
        h/=2;
    }
    return res;
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin>>n>>d;
    for (int i=0; i<n-1; ++i) {
        int a,b; cin>>a>>b;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }

    cout<<power(4,d);
}

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Incorrect 1 ms 2704 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Incorrect 1 ms 2644 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Incorrect 1 ms 2644 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Incorrect 1 ms 2644 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Incorrect 1 ms 2644 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Incorrect 1 ms 2644 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Incorrect 1 ms 2704 KB Output isn't correct
3 Halted 0 ms 0 KB -