제출 #1057805

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1057805		firegirlwaterboy	A Huge Tower (CEOI10_tower)	C++14	30 / 100	60 ms	8460 KiB

tower

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;

int MOD = 1e9 + 7;

void solve() {
    int n, d;
    cin >> n >> d;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    sort(a.begin(), a.end());
    ll r = 0, ans = 1;
    for (ll l = 0; l < n; l++) {
        while (r < n && a[r] - a[l] <= d) {
            r++;
        }
        ans *= r - l;
        ans %= MOD;
    }
    cout << ans << "\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
• Subtask 4: 5 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 5
• Subtask 10: 5 / 5
• Subtask 11: 5 / 5
• Subtask 12: 0 / 5
• Subtask 13: 0 / 5
• Subtask 14: 0 / 5
• Subtask 15: 0 / 5
• Subtask 16: 0 / 5
• Subtask 17: 0 / 5
• Subtask 18: 0 / 5
• Subtask 19: 0 / 5
• Subtask 20: 0 / 5