Submission #391478

#	Time	Username	Problem	Language	Result	Execution time	Memory
391478		aaravdodhia	A Huge Tower (CEOI10_tower)	C++17	100 / 100	303 ms	2716 KiB

tower

#include <bits/stdc++.h>

using namespace std;

int main(){
    int n,d;
    cin>>n>>d;
    int A[n];
    for(int i=0;i<n;++i) cin>>A[i];
    sort(A,A+n);
    int ans=1;
    for(int i=0,j=-1;i<n;++i){
        while(j<i && A[i]-A[j+1]>d)
            j++;
        ans = (i-j)*1LL*ans%int(1e9+9);
    }
    cout<<ans;
}

• 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