Submission #439522

#	Time	Username	Problem	Language	Result	Execution time	Memory
439522		s_jaskaran_s	A Huge Tower (CEOI10_tower)	C++17	100 / 100	165 ms	8732 KiB

tower

#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;


int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,d;
    cin>>n>>d;
    vector<int> a(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    ll ans=1;
    sort(a.rbegin(),a.rend());
    int j=0;
    for(int i=0;i<n;i++){
        if(a[i]-a[j]<=d&&j<n){
            j++;
            i--;
        }
        else{
            ans=(ans*(j-i))%1000000009;
        }
    }
    cout<<ans;
	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