Submission #1342983

#	Time	Username	Problem	Language	Result	Execution time	Memory
1342983		sumclo	A Huge Tower (CEOI10_tower)	C++20	30 / 100	69 ms	2628 KiB

tower

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

const int MOD = 1e9 + 7;


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

    int n, d;
    cin >> n >> d;
    vector<int> a(n);
    for (int &i: a) cin >> i;
    sort(a.begin(), a.end());

    int r = 0, sol = 1;
    for (int l = 0; l < n; l++) {
        while(r < n - 1 && a[r + 1] - a[l] <= d) r++;
        int dist = r - l + 1;
        sol = (sol * 1LL * dist) % MOD;
    }

    cout << sol << '\n';
}

• 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