oj.uz

Submission #1113808

# Submission time Handle Problem Language Result Execution time Memory
1113808 2024-11-17T13:33:11 Z Aviansh Cryptography (NOI20_crypto) C++17
14 / 100
 283 ms 22656 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace __gnu_pbds;

using namespace std;

typedef tree<long long,null_type,less<long long>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;

int fac[300005];
int mod = 1e9+7;

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    fac[1]=1;
    for(int i = 2;i<=3e5;i++){
        fac[i]=fac[i-1]*i;
        fac[i]%=mod;
    }
    int n;
    cin >> n;
    long long arr[n];
    ordered_set pts;
    for(int i = 0;i<n;i++){
        cin >> arr[i];
        pts.insert(arr[i]);
    }

    long long ans = 0;
    for(int i = 0;i<n;i++){
        ans+=1LL*pts.order_of_key(arr[i])*fac[n-i-1];
        ans%=mod;
        pts.erase(arr[i]);
    }
    ans++;
    cout << ans;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1616 KB Output is correct
2 Correct 3 ms 1616 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1616 KB Output is correct
2 Correct 3 ms 1616 KB Output is correct
3 Correct 3 ms 1628 KB Output is correct
4 Correct 3 ms 1616 KB Output is correct
5 Correct 3 ms 1616 KB Output is correct
6 Correct 3 ms 1760 KB Output is correct
7 Correct 3 ms 1616 KB Output is correct
8 Correct 3 ms 1616 KB Output is correct
9 Correct 2 ms 1616 KB Output is correct
10 Correct 3 ms 1448 KB Output is correct
11 Correct 3 ms 1616 KB Output is correct
12 Correct 2 ms 1616 KB Output is correct
13 Correct 3 ms 1784 KB Output is correct
14 Correct 3 ms 1616 KB Output is correct
15 Correct 3 ms 1616 KB Output is correct
16 Correct 3 ms 1388 KB Output is correct
17 Correct 3 ms 1616 KB Output is correct
18 Correct 3 ms 1476 KB Output is correct
19 Correct 3 ms 1616 KB Output is correct
20 Correct 3 ms 1492 KB Output is correct
21 Correct 3 ms 1616 KB Output is correct
22 Correct 3 ms 1616 KB Output is correct
23 Correct 3 ms 1784 KB Output is correct
24 Correct 2 ms 1616 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1616 KB Output is correct
2 Incorrect 283 ms 22640 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1616 KB Output is correct
2 Incorrect 266 ms 22656 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1616 KB Output is correct
2 Incorrect 5 ms 1616 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1616 KB Output is correct
2 Correct 3 ms 1616 KB Output is correct
3 Correct 3 ms 1628 KB Output is correct
4 Correct 3 ms 1616 KB Output is correct
5 Correct 3 ms 1616 KB Output is correct
6 Correct 3 ms 1760 KB Output is correct
7 Correct 3 ms 1616 KB Output is correct
8 Correct 3 ms 1616 KB Output is correct
9 Correct 2 ms 1616 KB Output is correct
10 Correct 3 ms 1448 KB Output is correct
11 Correct 3 ms 1616 KB Output is correct
12 Correct 2 ms 1616 KB Output is correct
13 Correct 3 ms 1784 KB Output is correct
14 Correct 3 ms 1616 KB Output is correct
15 Correct 3 ms 1616 KB Output is correct
16 Correct 3 ms 1388 KB Output is correct
17 Correct 3 ms 1616 KB Output is correct
18 Correct 3 ms 1476 KB Output is correct
19 Correct 3 ms 1616 KB Output is correct
20 Correct 3 ms 1492 KB Output is correct
21 Correct 3 ms 1616 KB Output is correct
22 Correct 3 ms 1616 KB Output is correct
23 Correct 3 ms 1784 KB Output is correct
24 Correct 2 ms 1616 KB Output is correct
25 Correct 3 ms 1616 KB Output is correct
26 Incorrect 5 ms 1616 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1616 KB Output is correct
2 Incorrect 266 ms 22656 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1616 KB Output is correct
2 Correct 3 ms 1616 KB Output is correct
3 Correct 3 ms 1628 KB Output is correct
4 Correct 3 ms 1616 KB Output is correct
5 Correct 3 ms 1616 KB Output is correct
6 Correct 3 ms 1760 KB Output is correct
7 Correct 3 ms 1616 KB Output is correct
8 Correct 3 ms 1616 KB Output is correct
9 Correct 2 ms 1616 KB Output is correct
10 Correct 3 ms 1448 KB Output is correct
11 Correct 3 ms 1616 KB Output is correct
12 Correct 2 ms 1616 KB Output is correct
13 Correct 3 ms 1784 KB Output is correct
14 Correct 3 ms 1616 KB Output is correct
15 Correct 3 ms 1616 KB Output is correct
16 Correct 3 ms 1388 KB Output is correct
17 Correct 3 ms 1616 KB Output is correct
18 Correct 3 ms 1476 KB Output is correct
19 Correct 3 ms 1616 KB Output is correct
20 Correct 3 ms 1492 KB Output is correct
21 Correct 3 ms 1616 KB Output is correct
22 Correct 3 ms 1616 KB Output is correct
23 Correct 3 ms 1784 KB Output is correct
24 Correct 2 ms 1616 KB Output is correct
25 Correct 3 ms 1616 KB Output is correct
26 Incorrect 283 ms 22640 KB Output isn't correct
27 Halted 0 ms 0 KB -