oj.uz

Submission #329801

# Submission time Handle Problem Language Result Execution time Memory
329801 2020-11-22T14:45:34 Z JiratQ Cryptography (NOI20_crypto) C++14
48 / 100
 1000 ms 50080 KB 
#include<bits/stdc++.h>
#define int long long
using namespace std;
int dp[300010];

int fac(int n){
    if(dp[n]!=0) return dp[n];
    if(n==0) return 1;
    return dp[n]=(fac(n-1)%1000000007*n);
}

main(){
    int n;
    cin >> n;
    vector<int> vec;
    for(int i=0;i<n;i++){
        int k;
        scanf("%lld",&k);
        vec.emplace_back(k);
    }
    vector<int> v=vec;
    sort(v.begin(),v.end());
    unordered_map<int,int> mapp;
    int cnt=1;
    for(int i=0;i<n;i++){
        mapp[v[i]]=cnt;
        cnt++;
    }
    for(int i=0;i<n;i++){
        vec[i]=mapp[vec[i]];
    }
    map<int,int> m;
    int ans=1;
    for(int i=0;i<n;i++){
        int use=vec[i];
        int c=0;
        for(auto& k:m){
            if(use>k.first){
                c++;
            }
            else break;
        }
        m[use]=1;
        ans += ((use-1-c) * fac(n-1-i));
        ans %= 1000000007;
    }
    cout << ans;
}
//

Compilation message

Crypto.cpp:12:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main(){
      |      ^
Crypto.cpp: In function 'int main()':
Crypto.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |         scanf("%lld",&k);
      |         ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Incorrect 301 ms 50080 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Execution timed out 1091 ms 32724 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 25 ms 748 KB Output is correct
3 Correct 25 ms 748 KB Output is correct
4 Correct 24 ms 876 KB Output is correct
5 Correct 25 ms 748 KB Output is correct
6 Correct 30 ms 748 KB Output is correct
7 Correct 25 ms 748 KB Output is correct
8 Correct 25 ms 748 KB Output is correct
9 Correct 25 ms 748 KB Output is correct
10 Correct 25 ms 876 KB Output is correct
11 Correct 25 ms 748 KB Output is correct
12 Correct 26 ms 748 KB Output is correct
13 Correct 25 ms 748 KB Output is correct
14 Correct 26 ms 748 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 25 ms 748 KB Output is correct
17 Correct 25 ms 748 KB Output is correct
18 Correct 26 ms 748 KB Output is correct
19 Correct 25 ms 748 KB Output is correct
20 Correct 25 ms 748 KB Output is correct
21 Correct 26 ms 748 KB Output is correct
22 Correct 25 ms 748 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 25 ms 748 KB Output is correct
27 Correct 25 ms 748 KB Output is correct
28 Correct 24 ms 876 KB Output is correct
29 Correct 25 ms 748 KB Output is correct
30 Correct 30 ms 748 KB Output is correct
31 Correct 25 ms 748 KB Output is correct
32 Correct 25 ms 748 KB Output is correct
33 Correct 25 ms 748 KB Output is correct
34 Correct 25 ms 876 KB Output is correct
35 Correct 25 ms 748 KB Output is correct
36 Correct 26 ms 748 KB Output is correct
37 Correct 25 ms 748 KB Output is correct
38 Correct 26 ms 748 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 25 ms 748 KB Output is correct
41 Correct 25 ms 748 KB Output is correct
42 Correct 26 ms 748 KB Output is correct
43 Correct 25 ms 748 KB Output is correct
44 Correct 25 ms 748 KB Output is correct
45 Correct 26 ms 748 KB Output is correct
46 Correct 25 ms 748 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 25 ms 876 KB Output is correct
49 Correct 25 ms 876 KB Output is correct
50 Correct 26 ms 876 KB Output is correct
51 Correct 25 ms 876 KB Output is correct
52 Correct 26 ms 876 KB Output is correct
53 Correct 25 ms 876 KB Output is correct
54 Correct 25 ms 876 KB Output is correct
55 Correct 25 ms 876 KB Output is correct
56 Correct 25 ms 876 KB Output is correct
57 Correct 25 ms 876 KB Output is correct
58 Correct 26 ms 876 KB Output is correct
59 Correct 25 ms 876 KB Output is correct
60 Correct 25 ms 876 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 26 ms 876 KB Output is correct
63 Correct 25 ms 876 KB Output is correct
64 Correct 25 ms 876 KB Output is correct
65 Correct 26 ms 876 KB Output is correct
66 Correct 26 ms 876 KB Output is correct
67 Correct 25 ms 876 KB Output is correct
68 Correct 26 ms 876 KB Output is correct

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Execution timed out 1091 ms 32724 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 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Incorrect 301 ms 50080 KB Output isn't correct
27 Halted 0 ms 0 KB -