Submission #1295736

#	Time	Username	Problem	Language	Result	Execution time	Memory
1295736		Jawad_Akbar_JJ	A Huge Tower (CEOI10_tower)	C++20	100 / 100	211 ms	2844 KiB

tower

#include <iostream>
#include <algorithm>

using namespace std;
int a[1<<20];

int main(){
	int n, d, mod =  1e9 + 9;
	cin>>n>>d;

	for (int i=1;i<=n;i++)
		cin>>a[i];
	sort(a + 1, a + n + 1);

	int wys = 1;
	for (int i=1, l=1;i<=n;i++){
		while (l < i and a[l] + d < a[i])
			l++;
		wys = 1LL * wys * (i - l + 1) % mod;
	}
	cout<<wys<<'\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