Submission #719671

#	Time	Username	Problem	Language	Result	Execution time	Memory
719671		TAhmed33	A Huge Tower (CEOI10_tower)	C++98	100 / 100	308 ms	10572 KiB

tower

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MOD = 1e9 + 9;
int arr[10000000];
signed main () {
	int n, d;
	cin >> n >> d;
	for (int i = 0; i < n; i++) cin >> arr[i];
	sort(arr, arr + n);
	int l = 1;
	for (int i = 0; i < n; i++) {
		int ub = lower_bound(arr, arr + n, arr[i] - d) - arr;
		l = (l * (i - ub + 1)) % MOD;
	}
	cout << l << '\n';
}

• 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
• Subtask 13: 5 / 5
• 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