Submission #497496

# Submission time Handle Problem Language Result Execution time Memory
497496 2021-12-23T07:15:42 Z mehdi_farhadian A Huge Tower (CEOI10_tower) C++17
100 / 100
126 ms 8732 KB
#include <bits/stdc++.h>
#define pb push_back
#define endl '\n'
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("O0")
#pragma GCC optimize("O1")
using namespace std;
typedef long long ll;

const int mod = 1e9 + 9;
int n, k;
vector<int> vec;

void solve()
{
    ll res = 1;
    for (int i = 0; i < n; i++) {
        int tmp = vec[i] - k - 1;
        int ind = upper_bound(vec.begin(), vec.end(), tmp) - vec.begin();
        res *= i - ind + 1;
        res %= mod;
    }
    cout << res << endl;
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> k;
    vec.resize(n);
    for (int i = 0; i < n; i++) {
        cin >> vec[i];
    }
    sort(vec.begin(), vec.end());
    solve();
}
# 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 0 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 0 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 0 ms 312 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 0 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 0 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 296 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 0 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 1 ms 320 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 448 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 964 KB Output is correct
2 Correct 10 ms 888 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 66 ms 3696 KB Output is correct
2 Correct 45 ms 3704 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 97 ms 8732 KB Output is correct
2 Correct 126 ms 8104 KB Output is correct