oj.uz

Submission #733813

# Submission time Handle Problem Language Result Execution time Memory
733813 2023-05-01T10:35:58 Z vjudge1 Cryptography (NOI20_crypto) C++17
48 / 100
 1000 ms 6720 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr int mod = 1e9 + 7;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    auto b = a;
    sort(b.begin(), b.end());
    for (int i = 0; i < n; i++) {
        a[i] = lower_bound(b.begin(), b.end(), a[i]) - b.begin();
    }
    vector<int> fac(n + 1);
    fac[0] = 1;
    for (int i = 1; i <= n; i++) {
        fac[i] = 1LL * fac[i - 1] * i % mod;
    }
    int ans = 1;
    for (int i = 0; i < n; i++) {
        ans = (ans + 1LL * (a[i] - i) * fac[n - i - 1] % mod) % mod;
        for (int j = i + 1; j < n; j++) {
            if (a[j] < a[i]) {
                a[j]++;
            }
        }
    }
    cout << ans << "\n";
    return 6/22;
}

Subtask #1
5.0 / 5.0

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

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 324 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 1070 ms 6720 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 1038 ms 5760 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 16 ms 376 KB Output is correct
3 Correct 18 ms 340 KB Output is correct
4 Correct 15 ms 340 KB Output is correct
5 Correct 15 ms 376 KB Output is correct
6 Correct 15 ms 380 KB Output is correct
7 Correct 18 ms 372 KB Output is correct
8 Correct 16 ms 340 KB Output is correct
9 Correct 16 ms 332 KB Output is correct
10 Correct 20 ms 376 KB Output is correct
11 Correct 16 ms 376 KB Output is correct
12 Correct 21 ms 340 KB Output is correct
13 Correct 16 ms 336 KB Output is correct
14 Correct 16 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 16 ms 376 KB Output is correct
17 Correct 15 ms 340 KB Output is correct
18 Correct 15 ms 384 KB Output is correct
19 Correct 14 ms 340 KB Output is correct
20 Correct 16 ms 340 KB Output is correct
21 Correct 15 ms 368 KB Output is correct
22 Correct 16 ms 340 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 324 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 16 ms 376 KB Output is correct
27 Correct 18 ms 340 KB Output is correct
28 Correct 15 ms 340 KB Output is correct
29 Correct 15 ms 376 KB Output is correct
30 Correct 15 ms 380 KB Output is correct
31 Correct 18 ms 372 KB Output is correct
32 Correct 16 ms 340 KB Output is correct
33 Correct 16 ms 332 KB Output is correct
34 Correct 20 ms 376 KB Output is correct
35 Correct 16 ms 376 KB Output is correct
36 Correct 21 ms 340 KB Output is correct
37 Correct 16 ms 336 KB Output is correct
38 Correct 16 ms 340 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 16 ms 376 KB Output is correct
41 Correct 15 ms 340 KB Output is correct
42 Correct 15 ms 384 KB Output is correct
43 Correct 14 ms 340 KB Output is correct
44 Correct 16 ms 340 KB Output is correct
45 Correct 15 ms 368 KB Output is correct
46 Correct 16 ms 340 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 16 ms 340 KB Output is correct
49 Correct 15 ms 340 KB Output is correct
50 Correct 15 ms 396 KB Output is correct
51 Correct 14 ms 368 KB Output is correct
52 Correct 17 ms 340 KB Output is correct
53 Correct 17 ms 396 KB Output is correct
54 Correct 16 ms 340 KB Output is correct
55 Correct 14 ms 336 KB Output is correct
56 Correct 16 ms 340 KB Output is correct
57 Correct 18 ms 328 KB Output is correct
58 Correct 21 ms 376 KB Output is correct
59 Correct 15 ms 340 KB Output is correct
60 Correct 14 ms 340 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 15 ms 392 KB Output is correct
63 Correct 17 ms 392 KB Output is correct
64 Correct 15 ms 336 KB Output is correct
65 Correct 15 ms 340 KB Output is correct
66 Correct 14 ms 340 KB Output is correct
67 Correct 14 ms 392 KB Output is correct
68 Correct 16 ms 336 KB Output is correct

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 1038 ms 5760 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 324 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Execution timed out 1070 ms 6720 KB Time limit exceeded
27 Halted 0 ms 0 KB -