Submission #394153

# Submission time Handle Problem Language Result Execution time Memory
394153 2021-04-26T00:27:12 Z aaronhma A Huge Tower (CEOI10_tower) C++17
100 / 100
129 ms 5068 KB
#include <bits/stdc++.h>

using namespace std;

#define MOD 1000000009
#define ll long long

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  ll n, d, j = 0, ans = 1;
  cin >> n >> d;

  vector<ll> arr(n);
  
  for (int i = 0; i < n; i++)
    cin >> arr[i];

sort(arr.begin(), arr.end());
  
  for (int i = 0; i < n; i++) {
	  while (j < n && arr[j] - arr[i] <= d) j++;
	  ans *= j - i;
	  ans %= MOD;
  }

  cout << ans << "\n";
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 716 KB Output is correct
2 Correct 10 ms 716 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 52 ms 2252 KB Output is correct
2 Correct 51 ms 2252 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 111 ms 5068 KB Output is correct
2 Correct 129 ms 5068 KB Output is correct