Submission #373610

#	Time	Username	Problem	Language	Result	Execution time	Memory
373610		randomjohnnyh	A Huge Tower (CEOI10_tower)	C++14	100 / 100	298 ms	2796 KiB

tower

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main()
{
	int n, m;
	cin >> n >> m;
	vector<int> v(n);
	for (int i = 0; i < n; i++) {
		cin >> v[i];
	}
	sort(v.begin(), v.end());
	const int mod = (int)1e9+9;
	int ans = 1;
	int l = 0;
	for (int r = 0; r < n; r++) {
		while (v[l] < v[r] - m) { l++; }
		ans = (long long)ans * (r-l+1) % mod;
	}
	cout << ans << endl;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
• Subtask 7: 5 / 5
• Subtask 8: 5 / 5
• Subtask 9: 5 / 5
• Subtask 10: 5 / 5
• Subtask 11: 5 / 5
• Subtask 12: 5 / 5
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• Subtask 14: 5 / 5
• Subtask 15: 5 / 5
• Subtask 16: 5 / 5
• Subtask 17: 5 / 5
• Subtask 18: 5 / 5
• Subtask 19: 5 / 5
• Subtask 20: 5 / 5