oj.uz

Submission #997029

# Submission time Handle Problem Language Result Execution time Memory
997029 2024-06-11T15:38:25 Z cpptowin Cryptography (NOI20_crypto) C++17
35 / 100
 62 ms 19652 KB 
#include <bits/stdc++.h>
#define fo(i, d, c) for (int i = d; i <= c; i++)
#define fod(i, c, d) for (int i = c; i >= d; i--)
#define maxn 1000010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout << "\n";
#define int long long
#define inf (int)1e18
#define pii pair<int, int>
#define vii vector<pii>
#define lb(x) x & -x
#define bit(i, j) ((i >> j) & 1)
#define offbit(i, j) (i ^ (1LL << j))
#define onbit(i, j) (i | (1LL << j))
#define vi vector<int>
#define all(x) x.begin(),x.end()
template <typename T1, typename T2>
bool minimize(T1 &a, T2 b)
{
    if (a > b)
    {
        a = b;
        return true;
    }
    return false;
}
template <typename T1, typename T2>
bool maximize(T1 &a, T2 b)
{
    if (a < b)
    {
        a = b;
        return true;
    }
    return false;
}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
int n,a[maxn];
vi nen;
int f[maxn];
struct BIT
{
    int t[maxn];
    void up(int x,int val)
    {
        for( ; x < maxn ; x += lb(x)) t[x] += val;
    }
    int get(int x)
    {
        int ans = 0;
        for( ; x ; x -= lb(x)) ans += t[x];
        return ans;
    }
}t;
main()
{
#define name "TASK"
    if (fopen(name ".inp", "r"))
    {
        freopen(name ".inp", "r", stdin);
        freopen(name ".out", "w", stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    fo(i,1,n)
    {
        cin >> a[i];
        nen.pb(a[i]);
    }
    sort(all(nen));
    nen.erase(unique(all(nen)),nen.end());
    fo(i,1,n) a[i] = lower_bound(all(nen),a[i]) - nen.begin() + 1;
    f[0] = 1;
    fo(i,1,n) f[i] = f[i - 1] * i % mod;
    int ans = 0;
    fo(i,1,n) 
    {
        ans = (ans + (a[i] - 1 - t.get(a[i] - 1)) * f[n - i] % mod) % mod;
        t.up(a[i],1);
    }
    cout << ans + 1;
}

Compilation message

Crypto.cpp:60:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   60 | main()
      | ^~~~
Crypto.cpp: In function 'int main()':
Crypto.cpp:65:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |         freopen(name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Crypto.cpp:66:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |         freopen(name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8536 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8664 KB Output is correct
11 Correct 1 ms 8660 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 1 ms 8540 KB Output is correct
15 Correct 1 ms 8700 KB Output is correct
16 Correct 1 ms 8540 KB Output is correct
17 Correct 1 ms 8540 KB Output is correct
18 Correct 1 ms 8796 KB Output is correct
19 Correct 1 ms 8540 KB Output is correct
20 Correct 1 ms 8540 KB Output is correct
21 Correct 1 ms 8540 KB Output is correct
22 Correct 1 ms 8540 KB Output is correct
23 Correct 1 ms 8540 KB Output is correct
24 Correct 1 ms 8540 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 50 ms 17760 KB Output is correct
3 Correct 49 ms 17496 KB Output is correct
4 Correct 50 ms 16316 KB Output is correct
5 Correct 56 ms 17348 KB Output is correct
6 Correct 51 ms 16320 KB Output is correct
7 Correct 53 ms 18372 KB Output is correct
8 Correct 53 ms 18884 KB Output is correct
9 Correct 55 ms 18628 KB Output is correct
10 Correct 54 ms 18120 KB Output is correct
11 Correct 62 ms 18628 KB Output is correct
12 Correct 49 ms 17596 KB Output is correct
13 Correct 51 ms 17596 KB Output is correct
14 Correct 48 ms 16316 KB Output is correct
15 Correct 56 ms 19652 KB Output is correct
16 Correct 54 ms 18804 KB Output is correct
17 Correct 55 ms 19140 KB Output is correct
18 Correct 54 ms 18112 KB Output is correct
19 Correct 51 ms 17340 KB Output is correct
20 Correct 48 ms 18112 KB Output is correct
21 Correct 48 ms 16676 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8536 KB Output is correct
2 Correct 46 ms 18412 KB Output is correct
3 Correct 46 ms 18696 KB Output is correct
4 Correct 46 ms 17600 KB Output is correct
5 Correct 45 ms 17852 KB Output is correct
6 Correct 45 ms 17852 KB Output is correct
7 Correct 49 ms 16572 KB Output is correct
8 Correct 50 ms 18120 KB Output is correct
9 Correct 50 ms 17608 KB Output is correct
10 Correct 45 ms 18884 KB Output is correct
11 Correct 44 ms 17492 KB Output is correct
12 Correct 45 ms 17604 KB Output is correct
13 Correct 49 ms 17596 KB Output is correct
14 Correct 44 ms 18368 KB Output is correct
15 Correct 46 ms 18372 KB Output is correct
16 Correct 46 ms 18336 KB Output is correct
17 Correct 45 ms 18880 KB Output is correct
18 Correct 44 ms 18380 KB Output is correct
19 Correct 47 ms 17772 KB Output is correct
20 Correct 44 ms 17344 KB Output is correct
21 Correct 46 ms 17816 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 2 ms 8788 KB Output is correct
5 Correct 2 ms 8540 KB Output is correct
6 Correct 2 ms 8676 KB Output is correct
7 Correct 2 ms 8540 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 1 ms 8676 KB Output is correct
10 Correct 2 ms 8540 KB Output is correct
11 Correct 1 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct
15 Incorrect 1 ms 8540 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8536 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8664 KB Output is correct
11 Correct 1 ms 8660 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 1 ms 8540 KB Output is correct
15 Correct 1 ms 8700 KB Output is correct
16 Correct 1 ms 8540 KB Output is correct
17 Correct 1 ms 8540 KB Output is correct
18 Correct 1 ms 8796 KB Output is correct
19 Correct 1 ms 8540 KB Output is correct
20 Correct 1 ms 8540 KB Output is correct
21 Correct 1 ms 8540 KB Output is correct
22 Correct 1 ms 8540 KB Output is correct
23 Correct 1 ms 8540 KB Output is correct
24 Correct 1 ms 8540 KB Output is correct
25 Correct 1 ms 8540 KB Output is correct
26 Correct 1 ms 8540 KB Output is correct
27 Correct 1 ms 8540 KB Output is correct
28 Correct 2 ms 8788 KB Output is correct
29 Correct 2 ms 8540 KB Output is correct
30 Correct 2 ms 8676 KB Output is correct
31 Correct 2 ms 8540 KB Output is correct
32 Correct 2 ms 8540 KB Output is correct
33 Correct 1 ms 8676 KB Output is correct
34 Correct 2 ms 8540 KB Output is correct
35 Correct 1 ms 8540 KB Output is correct
36 Correct 2 ms 8540 KB Output is correct
37 Correct 2 ms 8540 KB Output is correct
38 Correct 2 ms 8540 KB Output is correct
39 Incorrect 1 ms 8540 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8536 KB Output is correct
2 Correct 46 ms 18412 KB Output is correct
3 Correct 46 ms 18696 KB Output is correct
4 Correct 46 ms 17600 KB Output is correct
5 Correct 45 ms 17852 KB Output is correct
6 Correct 45 ms 17852 KB Output is correct
7 Correct 49 ms 16572 KB Output is correct
8 Correct 50 ms 18120 KB Output is correct
9 Correct 50 ms 17608 KB Output is correct
10 Correct 45 ms 18884 KB Output is correct
11 Correct 44 ms 17492 KB Output is correct
12 Correct 45 ms 17604 KB Output is correct
13 Correct 49 ms 17596 KB Output is correct
14 Correct 44 ms 18368 KB Output is correct
15 Correct 46 ms 18372 KB Output is correct
16 Correct 46 ms 18336 KB Output is correct
17 Correct 45 ms 18880 KB Output is correct
18 Correct 44 ms 18380 KB Output is correct
19 Correct 47 ms 17772 KB Output is correct
20 Correct 44 ms 17344 KB Output is correct
21 Correct 46 ms 17816 KB Output is correct
22 Correct 1 ms 8540 KB Output is correct
23 Correct 1 ms 8540 KB Output is correct
24 Correct 1 ms 8540 KB Output is correct
25 Correct 2 ms 8788 KB Output is correct
26 Correct 2 ms 8540 KB Output is correct
27 Correct 2 ms 8676 KB Output is correct
28 Correct 2 ms 8540 KB Output is correct
29 Correct 2 ms 8540 KB Output is correct
30 Correct 1 ms 8676 KB Output is correct
31 Correct 2 ms 8540 KB Output is correct
32 Correct 1 ms 8540 KB Output is correct
33 Correct 2 ms 8540 KB Output is correct
34 Correct 2 ms 8540 KB Output is correct
35 Correct 2 ms 8540 KB Output is correct
36 Incorrect 1 ms 8540 KB Output isn't correct
37 Halted 0 ms 0 KB -

Subtask #8
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8540 KB Output is correct
2 Correct 1 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8536 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8664 KB Output is correct
11 Correct 1 ms 8660 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 1 ms 8540 KB Output is correct
15 Correct 1 ms 8700 KB Output is correct
16 Correct 1 ms 8540 KB Output is correct
17 Correct 1 ms 8540 KB Output is correct
18 Correct 1 ms 8796 KB Output is correct
19 Correct 1 ms 8540 KB Output is correct
20 Correct 1 ms 8540 KB Output is correct
21 Correct 1 ms 8540 KB Output is correct
22 Correct 1 ms 8540 KB Output is correct
23 Correct 1 ms 8540 KB Output is correct
24 Correct 1 ms 8540 KB Output is correct
25 Correct 1 ms 8540 KB Output is correct
26 Correct 50 ms 17760 KB Output is correct
27 Correct 49 ms 17496 KB Output is correct
28 Correct 50 ms 16316 KB Output is correct
29 Correct 56 ms 17348 KB Output is correct
30 Correct 51 ms 16320 KB Output is correct
31 Correct 53 ms 18372 KB Output is correct
32 Correct 53 ms 18884 KB Output is correct
33 Correct 55 ms 18628 KB Output is correct
34 Correct 54 ms 18120 KB Output is correct
35 Correct 62 ms 18628 KB Output is correct
36 Correct 49 ms 17596 KB Output is correct
37 Correct 51 ms 17596 KB Output is correct
38 Correct 48 ms 16316 KB Output is correct
39 Correct 56 ms 19652 KB Output is correct
40 Correct 54 ms 18804 KB Output is correct
41 Correct 55 ms 19140 KB Output is correct
42 Correct 54 ms 18112 KB Output is correct
43 Correct 51 ms 17340 KB Output is correct
44 Correct 48 ms 18112 KB Output is correct
45 Correct 48 ms 16676 KB Output is correct
46 Correct 1 ms 8536 KB Output is correct
47 Correct 46 ms 18412 KB Output is correct
48 Correct 46 ms 18696 KB Output is correct
49 Correct 46 ms 17600 KB Output is correct
50 Correct 45 ms 17852 KB Output is correct
51 Correct 45 ms 17852 KB Output is correct
52 Correct 49 ms 16572 KB Output is correct
53 Correct 50 ms 18120 KB Output is correct
54 Correct 50 ms 17608 KB Output is correct
55 Correct 45 ms 18884 KB Output is correct
56 Correct 44 ms 17492 KB Output is correct
57 Correct 45 ms 17604 KB Output is correct
58 Correct 49 ms 17596 KB Output is correct
59 Correct 44 ms 18368 KB Output is correct
60 Correct 46 ms 18372 KB Output is correct
61 Correct 46 ms 18336 KB Output is correct
62 Correct 45 ms 18880 KB Output is correct
63 Correct 44 ms 18380 KB Output is correct
64 Correct 47 ms 17772 KB Output is correct
65 Correct 44 ms 17344 KB Output is correct
66 Correct 46 ms 17816 KB Output is correct
67 Correct 1 ms 8540 KB Output is correct
68 Correct 1 ms 8540 KB Output is correct
69 Correct 1 ms 8540 KB Output is correct
70 Correct 2 ms 8788 KB Output is correct
71 Correct 2 ms 8540 KB Output is correct
72 Correct 2 ms 8676 KB Output is correct
73 Correct 2 ms 8540 KB Output is correct
74 Correct 2 ms 8540 KB Output is correct
75 Correct 1 ms 8676 KB Output is correct
76 Correct 2 ms 8540 KB Output is correct
77 Correct 1 ms 8540 KB Output is correct
78 Correct 2 ms 8540 KB Output is correct
79 Correct 2 ms 8540 KB Output is correct
80 Correct 2 ms 8540 KB Output is correct
81 Incorrect 1 ms 8540 KB Output isn't correct
82 Halted 0 ms 0 KB -