Submission #1217038

#	Time	Username	Problem	Language	Result	Execution time	Memory
1217038		sam230609	Cloud Computing (CEOI18_clo)	C++20	0 / 100	1 ms	328 KiB

clo

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAX_N = 2e5;

int arr[200001];

int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); }

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int n;
	cin >> n;
	for (int i = 0; i < n; i++) { cin >> arr[i]; }

	int ans = 1;
	for (int i = 0; i < n - 1; i++) {
		for (int j = i + 1; j < n; j++) { ans = max(ans, gcd(arr[i], arr[j])); }
	}
	cout << ans << endl;
}

• Subtask 1: 0 / 18
• Subtask 2: 0 / 18
• Subtask 3: 0 / 18
• Subtask 4: 0 / 18
• Subtask 5: 0 / 18
• Subtask 6: 0 / 10