Submission #535147

#	Time	Username	Problem	Language	Result	Execution time	Memory
535147		andecaandeci	A Huge Tower (CEOI10_tower)	C++17	100 / 100	299 ms	8744 KiB

tower

#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 9;
int main(){
    int n,d;
    cin >> n >> d;
    int arr[n+5];
    for(int i=0;i<n;i++){
        cin >> arr[i];
    }
    sort(arr,arr+n);
    int r = 0, sol = 1;
  for (int l = 0; l < n; l++) {
    while (r < n - 1 && arr[r + 1] - arr[l] <= d) r++;
    int dist = r - l + 1; 
    sol = (sol * 1LL * dist) % MOD;
  }
  cout << sol << '\n';
    return 0;
}

• 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