Submission #447889

#	Time	Username	Problem	Language	Result	Execution time	Memory
447889		flappybird	Star Trek (CEOI20_startrek)	C++14	7 / 100	1 ms	204 KiB

startrek

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define MAX 101010
#define MOD 1000000007
#define ln '\n'
ll mpow(ll x, ll y) {
	if (y == 0) return 1;
	if (y == 1) return x;
	ll res = mpow(x, y / 2);
	res *= res;
	res %= MOD;
	if (y % 2) res *= x;
	return res % MOD;
}
signed main() {
	ll N, D;
	cin >> N >> D;
	ll a, b;
	cin >> a >> b;
	ll i;
	ll ans = 1;
	cout << mpow(4, D) << ln;
}

Compilation message (stderr)

startrek.cpp: In function 'int main()':
startrek.cpp:26:5: warning: unused variable 'i' [-Wunused-variable]
   26 |  ll i;
      |     ^
startrek.cpp:27:5: warning: unused variable 'ans' [-Wunused-variable]
   27 |  ll ans = 1;
      |     ^~~

• Subtask 1: 0 / 0
• Subtask 2: 7 / 7
• Subtask 3: 0 / 8
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 15