제출 #1160174

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1160174		oj123	A Huge Tower (CEOI10_tower)	C++20	100 / 100	185 ms	2840 KiB

tower

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define pii pair<ll, ll>
#define mll unordered_map<ll, ll>
#define endl '\n'
// #define int ll

int main() {
  int n, d;
  cin >> n >> d;
  vector<int> v(n);
  for (int i = 0; i < n; i++) {
    cin >> v[i];
  }
  sort(v.begin(), v.end());
  int r = 0;
  ll ans = 1;
  ll mod = 1e9 + 9;
  for (int l = 0; l < n; l++) {
    while (r < n - 1 and v[r + 1] - v[l] <= d) {
      r++;
    }
    int dist = r - l + 1;
    ans = (ans * dist) % mod;
  }
  cout << ans << endl;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
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• Subtask 7: 5 / 5
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• Subtask 10: 5 / 5
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• Subtask 14: 5 / 5
• Subtask 15: 5 / 5
• Subtask 16: 5 / 5
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• Subtask 18: 5 / 5
• Subtask 19: 5 / 5
• Subtask 20: 5 / 5