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Submission #600278

# Submission time Handle Problem Language Result Execution time Memory
600278 2022-07-20T16:04:35 Z Stormersyle A Huge Tower (CEOI10_tower) C++14
100 / 100
 286 ms 18656 KB 
#include <iostream>
#include <bits/stdc++.h>
#include <fstream>
#include <string>
#include <cstdio>
#include <cstring>
#include <algorithm>  
#include <math.h>
#include <numeric>
using namespace std;
using ll=long long;
using ull=unsigned long long;

vector<int> a={-1};
int N, D, w;
ll E=1000000009;

ll f(int i){
  if (i==1) return 1;
  int u=lower_bound(a.begin()+1, a.begin()+i, a[i]-D)-a.begin();
  int b=i-u;
  return ((ll)(1+b)*(ll)(f(i-1)))%E;
}

int main() {
  // ifstream cin("file.in");
  cin>>N>>D;
  for (int i=1; i<=N; i++){
    cin>>w;
    a.push_back(w);
  }
  sort(a.begin(), a.end());
  cout<<f(N);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 304 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 304 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #15
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #16
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct

Subtask #17
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 632 KB Output is correct

Subtask #18
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 1884 KB Output is correct
2 Correct 22 ms 1864 KB Output is correct

Subtask #19
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 7636 KB Output is correct
2 Correct 110 ms 7680 KB Output is correct

Subtask #20
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 18656 KB Output is correct
2 Correct 286 ms 17924 KB Output is correct