제출 #1333557

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1333557		theoneandonlytron	A Huge Tower (CEOI10_tower)	C++20	30 / 100	72 ms	8744 KiB

tower

  #include <bits/stdc++.h>
using namespace std;
using ll = long long int;
#define mod ll(1e9+9)
void solve(){
    ll n,d;
    cin >> n >> d;
    vector <ll> l1;
    for (int i =0 ; i < n; i++){
        ll a;
        cin >> a;
        l1.push_back(a);
    }
    sort(l1.begin(), l1.end());
    ll l = 0;
    ll answ = 1;
    for (int i = 0; i < n; i++){
        while (l < i && l1[i] - l1[l] > d){
            l += 1;
        }
        answ = answ * (i - l + 1);
    }
    cout << answ << "\n";
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    solve();

    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
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