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Submission #459546

# Submission time Handle Problem Language Result Execution time Memory
459546 2021-08-08T15:55:30 Z erke A Huge Tower (CEOI10_tower) C++11
30 / 100
 1000 ms 11556 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

const int N = 1000005;
const int MOD = 1e9 + 7;

int a[N], dp[N];

signed main() {
  cin.tie(0)->sync_with_stdio(0);
  int n, d;
  cin >> n >> d;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
  }
  sort(a + 1, a + n + 1, greater<int>());
  dp[0] = 1;
  for (int i = 1; i <= n; i++) {
    int j = i;
    while (j - 1 >= 1 && a[j - 1] <= a[i] + d) j--;
    dp[i] += dp[i - 1] * (i - j + 1);
    dp[i] %= MOD;
  }
  cout << dp[n] << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct

Subtask #9
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct

Subtask #12
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 316 KB Output isn't correct

Subtask #13
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct

Subtask #15
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct

Subtask #16
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct

Subtask #17
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 56 ms 536 KB Output isn't correct

Subtask #18
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 70 ms 1564 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 577 ms 6548 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #20
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1066 ms 11556 KB Time limit exceeded
2 Halted 0 ms 0 KB -