Submission #999353

#TimeUsernameProblemLanguageResultExecution timeMemory
999353yoav_sStar Trek (CEOI20_startrek)C++17
0 / 100
1 ms348 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<ll> v; typedef vector<v> vv; typedef vector<vv> vvv; typedef pair<ll,ll> p; typedef vector<p> vp; typedef vector<vp> vvp; typedef vector<vvp> vvvp; typedef pair<ll, p> tri; typedef vector<tri> vtri; typedef vector<vtri> vvtri; typedef vector<vvtri> vvvtri; typedef vector<bool> vb; typedef vector<vb> vvb; typedef vector<vvb> vvvb; #define f first #define s second #define pb push_back #define eb emplace_back #define all(v) (v).begin(),(v).end() const ll INF = 1e18; const ll mod = 1e9 + 7; ll modPow(ll a, ll b) { if (b == 0) return 1; ll res = modPow(a, b / 2); res = (res * res) % mod; if (b % 2 == 1) res = (res * a) % mod; return res; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll N, D; cin >> N >> D; cout << modPow(4, D - 1) << "\n"; return 0; }
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