oj.uz

Submission #1011966

# Submission time Handle Problem Language Result Execution time Memory
1011966 2024-07-01T12:53:04 Z kaopj Cryptography (NOI20_crypto) C++17
35 / 100
 879 ms 31060 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define int long long
#define orderedset tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>
#define lgm cin.tie(0)->sync_with_stdio(0);
const int mod = 1e9+7;
using namespace std;
signed main() {
    lgm;
    orderedset s;
    int n;
    cin >> n;
    vector<pair<int,int>> o(n);
    vector<int> num(n);
    for (int i=0;i<n;i++) {
        cin >> num[i];
        o[i]={num[i],i};
    }
    sort(o.begin(),o.end());
    int ans=0;
    for (int i=0;i<n;i++) {
        num[o[i].second]=i;
    }
    vector<int> lesscnt(n);
    int f[n+1];
    f[0]=1;
    f[1]=1;
    for (int i=2;i<=n;i++) {
        f[i]=i*f[i-1]%mod;
    }
    for (int i=n-1;i>=0;i--) {
        int l=0,r=n-1-i,m;
        while (l<r) {
            m=(l+r)>>1;
            if (*s.find_by_order(m) >= num[i]) {
                r=m;
            } else {
                l=m+1;
            }
        }
        lesscnt[i]=l;
        s.insert(num[i]);
    }
    for (int i=0;i<n;i++) {
        ans=(ans+f[n-i-1]*lesscnt[i]%mod)%mod;
    }
    cout << ans+1;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 600 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 799 ms 30944 KB Output is correct
3 Correct 813 ms 30804 KB Output is correct
4 Correct 783 ms 30832 KB Output is correct
5 Correct 808 ms 30800 KB Output is correct
6 Correct 784 ms 31060 KB Output is correct
7 Correct 789 ms 30804 KB Output is correct
8 Correct 805 ms 30960 KB Output is correct
9 Correct 842 ms 30828 KB Output is correct
10 Correct 789 ms 30808 KB Output is correct
11 Correct 839 ms 30800 KB Output is correct
12 Correct 839 ms 30768 KB Output is correct
13 Correct 801 ms 30848 KB Output is correct
14 Correct 789 ms 30804 KB Output is correct
15 Correct 853 ms 30804 KB Output is correct
16 Correct 803 ms 30912 KB Output is correct
17 Correct 813 ms 30816 KB Output is correct
18 Correct 846 ms 30916 KB Output is correct
19 Correct 811 ms 30744 KB Output is correct
20 Correct 781 ms 30740 KB Output is correct
21 Correct 776 ms 30804 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 836 ms 30840 KB Output is correct
3 Correct 866 ms 30800 KB Output is correct
4 Correct 817 ms 30748 KB Output is correct
5 Correct 848 ms 30800 KB Output is correct
6 Correct 738 ms 30804 KB Output is correct
7 Correct 781 ms 30804 KB Output is correct
8 Correct 763 ms 30760 KB Output is correct
9 Correct 781 ms 30716 KB Output is correct
10 Correct 802 ms 30820 KB Output is correct
11 Correct 766 ms 30808 KB Output is correct
12 Correct 759 ms 30800 KB Output is correct
13 Correct 816 ms 30800 KB Output is correct
14 Correct 791 ms 30948 KB Output is correct
15 Correct 812 ms 30800 KB Output is correct
16 Correct 783 ms 30836 KB Output is correct
17 Correct 810 ms 30808 KB Output is correct
18 Correct 813 ms 30936 KB Output is correct
19 Correct 840 ms 30848 KB Output is correct
20 Correct 857 ms 30904 KB Output is correct
21 Correct 879 ms 30812 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 3 ms 604 KB Output is correct
3 Correct 4 ms 604 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 3 ms 604 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 4 ms 604 KB Output is correct
9 Correct 3 ms 604 KB Output is correct
10 Correct 3 ms 604 KB Output is correct
11 Correct 3 ms 604 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 3 ms 604 KB Output is correct
14 Correct 3 ms 628 KB Output is correct
15 Incorrect 0 ms 348 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 600 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 4 ms 604 KB Output is correct
28 Correct 3 ms 604 KB Output is correct
29 Correct 3 ms 604 KB Output is correct
30 Correct 3 ms 604 KB Output is correct
31 Correct 3 ms 604 KB Output is correct
32 Correct 4 ms 604 KB Output is correct
33 Correct 3 ms 604 KB Output is correct
34 Correct 3 ms 604 KB Output is correct
35 Correct 3 ms 604 KB Output is correct
36 Correct 3 ms 600 KB Output is correct
37 Correct 3 ms 604 KB Output is correct
38 Correct 3 ms 628 KB Output is correct
39 Incorrect 0 ms 348 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 836 ms 30840 KB Output is correct
3 Correct 866 ms 30800 KB Output is correct
4 Correct 817 ms 30748 KB Output is correct
5 Correct 848 ms 30800 KB Output is correct
6 Correct 738 ms 30804 KB Output is correct
7 Correct 781 ms 30804 KB Output is correct
8 Correct 763 ms 30760 KB Output is correct
9 Correct 781 ms 30716 KB Output is correct
10 Correct 802 ms 30820 KB Output is correct
11 Correct 766 ms 30808 KB Output is correct
12 Correct 759 ms 30800 KB Output is correct
13 Correct 816 ms 30800 KB Output is correct
14 Correct 791 ms 30948 KB Output is correct
15 Correct 812 ms 30800 KB Output is correct
16 Correct 783 ms 30836 KB Output is correct
17 Correct 810 ms 30808 KB Output is correct
18 Correct 813 ms 30936 KB Output is correct
19 Correct 840 ms 30848 KB Output is correct
20 Correct 857 ms 30904 KB Output is correct
21 Correct 879 ms 30812 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 3 ms 604 KB Output is correct
24 Correct 4 ms 604 KB Output is correct
25 Correct 3 ms 604 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 3 ms 604 KB Output is correct
29 Correct 4 ms 604 KB Output is correct
30 Correct 3 ms 604 KB Output is correct
31 Correct 3 ms 604 KB Output is correct
32 Correct 3 ms 604 KB Output is correct
33 Correct 3 ms 600 KB Output is correct
34 Correct 3 ms 604 KB Output is correct
35 Correct 3 ms 628 KB Output is correct
36 Incorrect 0 ms 348 KB Output isn't correct
37 Halted 0 ms 0 KB -

Subtask #8
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 600 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 600 KB Output is correct
26 Correct 799 ms 30944 KB Output is correct
27 Correct 813 ms 30804 KB Output is correct
28 Correct 783 ms 30832 KB Output is correct
29 Correct 808 ms 30800 KB Output is correct
30 Correct 784 ms 31060 KB Output is correct
31 Correct 789 ms 30804 KB Output is correct
32 Correct 805 ms 30960 KB Output is correct
33 Correct 842 ms 30828 KB Output is correct
34 Correct 789 ms 30808 KB Output is correct
35 Correct 839 ms 30800 KB Output is correct
36 Correct 839 ms 30768 KB Output is correct
37 Correct 801 ms 30848 KB Output is correct
38 Correct 789 ms 30804 KB Output is correct
39 Correct 853 ms 30804 KB Output is correct
40 Correct 803 ms 30912 KB Output is correct
41 Correct 813 ms 30816 KB Output is correct
42 Correct 846 ms 30916 KB Output is correct
43 Correct 811 ms 30744 KB Output is correct
44 Correct 781 ms 30740 KB Output is correct
45 Correct 776 ms 30804 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 836 ms 30840 KB Output is correct
48 Correct 866 ms 30800 KB Output is correct
49 Correct 817 ms 30748 KB Output is correct
50 Correct 848 ms 30800 KB Output is correct
51 Correct 738 ms 30804 KB Output is correct
52 Correct 781 ms 30804 KB Output is correct
53 Correct 763 ms 30760 KB Output is correct
54 Correct 781 ms 30716 KB Output is correct
55 Correct 802 ms 30820 KB Output is correct
56 Correct 766 ms 30808 KB Output is correct
57 Correct 759 ms 30800 KB Output is correct
58 Correct 816 ms 30800 KB Output is correct
59 Correct 791 ms 30948 KB Output is correct
60 Correct 812 ms 30800 KB Output is correct
61 Correct 783 ms 30836 KB Output is correct
62 Correct 810 ms 30808 KB Output is correct
63 Correct 813 ms 30936 KB Output is correct
64 Correct 840 ms 30848 KB Output is correct
65 Correct 857 ms 30904 KB Output is correct
66 Correct 879 ms 30812 KB Output is correct
67 Correct 1 ms 348 KB Output is correct
68 Correct 3 ms 604 KB Output is correct
69 Correct 4 ms 604 KB Output is correct
70 Correct 3 ms 604 KB Output is correct
71 Correct 3 ms 604 KB Output is correct
72 Correct 3 ms 604 KB Output is correct
73 Correct 3 ms 604 KB Output is correct
74 Correct 4 ms 604 KB Output is correct
75 Correct 3 ms 604 KB Output is correct
76 Correct 3 ms 604 KB Output is correct
77 Correct 3 ms 604 KB Output is correct
78 Correct 3 ms 600 KB Output is correct
79 Correct 3 ms 604 KB Output is correct
80 Correct 3 ms 628 KB Output is correct
81 Incorrect 0 ms 348 KB Output isn't correct
82 Halted 0 ms 0 KB -