oj.uz

Submission #973224

# Submission time Handle Problem Language Result Execution time Memory
973224 2024-05-01T16:22:26 Z njoop Cryptography (NOI20_crypto) C++17
35 / 100
 329 ms 26780 KB 
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>
#define ll long long

using namespace __gnu_pbds;
using namespace std;

int n, in, ord[300010], idx;
ll fac[3000010], mod = 1e9+7, ans;
vector<pair<int, int>> v;

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

ordered_set s;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    fac[0] = 1;
    for(int i=1; i<300010; i++) {
        fac[i] = i*fac[i-1];
        fac[i] %= mod;
    }
    cin >> n;
    for(int i=1; i<=n; i++) {
        cin >> in;
        v.push_back({in, i});
    }
    sort(v.begin(), v.end());
    for(int i=0; i<v.size(); i++) {
        ord[v[i].second] = i;
    }
    for(int i=1; i<=n; i++) {
        idx = s.order_of_key(ord[i]);
        ans += (ord[i]-idx)*fac[n-i];
        ans %= mod;
        s.insert(ord[i]);
    }
    cout << ans+1;
    return 0;
}

Compilation message

Crypto.cpp: In function 'int main()':
Crypto.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for(int i=0; i<v.size(); i++) {
      |                  ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4696 KB Output is correct
2 Correct 3 ms 4696 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4696 KB Output is correct
2 Correct 3 ms 4696 KB Output is correct
3 Correct 3 ms 4696 KB Output is correct
4 Correct 3 ms 4700 KB Output is correct
5 Correct 3 ms 4748 KB Output is correct
6 Correct 3 ms 4700 KB Output is correct
7 Correct 3 ms 4700 KB Output is correct
8 Correct 3 ms 4700 KB Output is correct
9 Correct 3 ms 4696 KB Output is correct
10 Correct 3 ms 4700 KB Output is correct
11 Correct 3 ms 4700 KB Output is correct
12 Correct 3 ms 4700 KB Output is correct
13 Correct 3 ms 4700 KB Output is correct
14 Correct 3 ms 4700 KB Output is correct
15 Correct 3 ms 4700 KB Output is correct
16 Correct 3 ms 4956 KB Output is correct
17 Correct 3 ms 4700 KB Output is correct
18 Correct 3 ms 4744 KB Output is correct
19 Correct 3 ms 4700 KB Output is correct
20 Correct 3 ms 4700 KB Output is correct
21 Correct 3 ms 4700 KB Output is correct
22 Correct 3 ms 4700 KB Output is correct
23 Correct 3 ms 4700 KB Output is correct
24 Correct 3 ms 4744 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4700 KB Output is correct
2 Correct 312 ms 25604 KB Output is correct
3 Correct 301 ms 25788 KB Output is correct
4 Correct 323 ms 24752 KB Output is correct
5 Correct 305 ms 25648 KB Output is correct
6 Correct 329 ms 26352 KB Output is correct
7 Correct 309 ms 26780 KB Output is correct
8 Correct 288 ms 25024 KB Output is correct
9 Correct 310 ms 24880 KB Output is correct
10 Correct 312 ms 26044 KB Output is correct
11 Correct 302 ms 24880 KB Output is correct
12 Correct 300 ms 26328 KB Output is correct
13 Correct 319 ms 26140 KB Output is correct
14 Correct 296 ms 26048 KB Output is correct
15 Correct 314 ms 26300 KB Output is correct
16 Correct 305 ms 25832 KB Output is correct
17 Correct 309 ms 26300 KB Output is correct
18 Correct 308 ms 25340 KB Output is correct
19 Correct 296 ms 25828 KB Output is correct
20 Correct 268 ms 26336 KB Output is correct
21 Correct 293 ms 25792 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4696 KB Output is correct
2 Correct 263 ms 25232 KB Output is correct
3 Correct 216 ms 24772 KB Output is correct
4 Correct 290 ms 25768 KB Output is correct
5 Correct 267 ms 24272 KB Output is correct
6 Correct 225 ms 24032 KB Output is correct
7 Correct 219 ms 25028 KB Output is correct
8 Correct 304 ms 25436 KB Output is correct
9 Correct 303 ms 25272 KB Output is correct
10 Correct 257 ms 25452 KB Output is correct
11 Correct 238 ms 24624 KB Output is correct
12 Correct 214 ms 24984 KB Output is correct
13 Correct 255 ms 25576 KB Output is correct
14 Correct 228 ms 23932 KB Output is correct
15 Correct 272 ms 24688 KB Output is correct
16 Correct 247 ms 24072 KB Output is correct
17 Correct 250 ms 24508 KB Output is correct
18 Correct 235 ms 25184 KB Output is correct
19 Correct 224 ms 23996 KB Output is correct
20 Correct 220 ms 24900 KB Output is correct
21 Correct 240 ms 24348 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4700 KB Output is correct
2 Correct 4 ms 4952 KB Output is correct
3 Correct 4 ms 4700 KB Output is correct
4 Correct 4 ms 4696 KB Output is correct
5 Correct 4 ms 4696 KB Output is correct
6 Correct 4 ms 4700 KB Output is correct
7 Correct 4 ms 4700 KB Output is correct
8 Correct 4 ms 4700 KB Output is correct
9 Correct 4 ms 4700 KB Output is correct
10 Correct 4 ms 4700 KB Output is correct
11 Correct 4 ms 4736 KB Output is correct
12 Correct 4 ms 4700 KB Output is correct
13 Correct 4 ms 4700 KB Output is correct
14 Correct 4 ms 4700 KB Output is correct
15 Incorrect 3 ms 4696 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4696 KB Output is correct
2 Correct 3 ms 4696 KB Output is correct
3 Correct 3 ms 4696 KB Output is correct
4 Correct 3 ms 4700 KB Output is correct
5 Correct 3 ms 4748 KB Output is correct
6 Correct 3 ms 4700 KB Output is correct
7 Correct 3 ms 4700 KB Output is correct
8 Correct 3 ms 4700 KB Output is correct
9 Correct 3 ms 4696 KB Output is correct
10 Correct 3 ms 4700 KB Output is correct
11 Correct 3 ms 4700 KB Output is correct
12 Correct 3 ms 4700 KB Output is correct
13 Correct 3 ms 4700 KB Output is correct
14 Correct 3 ms 4700 KB Output is correct
15 Correct 3 ms 4700 KB Output is correct
16 Correct 3 ms 4956 KB Output is correct
17 Correct 3 ms 4700 KB Output is correct
18 Correct 3 ms 4744 KB Output is correct
19 Correct 3 ms 4700 KB Output is correct
20 Correct 3 ms 4700 KB Output is correct
21 Correct 3 ms 4700 KB Output is correct
22 Correct 3 ms 4700 KB Output is correct
23 Correct 3 ms 4700 KB Output is correct
24 Correct 3 ms 4744 KB Output is correct
25 Correct 3 ms 4700 KB Output is correct
26 Correct 4 ms 4952 KB Output is correct
27 Correct 4 ms 4700 KB Output is correct
28 Correct 4 ms 4696 KB Output is correct
29 Correct 4 ms 4696 KB Output is correct
30 Correct 4 ms 4700 KB Output is correct
31 Correct 4 ms 4700 KB Output is correct
32 Correct 4 ms 4700 KB Output is correct
33 Correct 4 ms 4700 KB Output is correct
34 Correct 4 ms 4700 KB Output is correct
35 Correct 4 ms 4736 KB Output is correct
36 Correct 4 ms 4700 KB Output is correct
37 Correct 4 ms 4700 KB Output is correct
38 Correct 4 ms 4700 KB Output is correct
39 Incorrect 3 ms 4696 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4696 KB Output is correct
2 Correct 263 ms 25232 KB Output is correct
3 Correct 216 ms 24772 KB Output is correct
4 Correct 290 ms 25768 KB Output is correct
5 Correct 267 ms 24272 KB Output is correct
6 Correct 225 ms 24032 KB Output is correct
7 Correct 219 ms 25028 KB Output is correct
8 Correct 304 ms 25436 KB Output is correct
9 Correct 303 ms 25272 KB Output is correct
10 Correct 257 ms 25452 KB Output is correct
11 Correct 238 ms 24624 KB Output is correct
12 Correct 214 ms 24984 KB Output is correct
13 Correct 255 ms 25576 KB Output is correct
14 Correct 228 ms 23932 KB Output is correct
15 Correct 272 ms 24688 KB Output is correct
16 Correct 247 ms 24072 KB Output is correct
17 Correct 250 ms 24508 KB Output is correct
18 Correct 235 ms 25184 KB Output is correct
19 Correct 224 ms 23996 KB Output is correct
20 Correct 220 ms 24900 KB Output is correct
21 Correct 240 ms 24348 KB Output is correct
22 Correct 3 ms 4700 KB Output is correct
23 Correct 4 ms 4952 KB Output is correct
24 Correct 4 ms 4700 KB Output is correct
25 Correct 4 ms 4696 KB Output is correct
26 Correct 4 ms 4696 KB Output is correct
27 Correct 4 ms 4700 KB Output is correct
28 Correct 4 ms 4700 KB Output is correct
29 Correct 4 ms 4700 KB Output is correct
30 Correct 4 ms 4700 KB Output is correct
31 Correct 4 ms 4700 KB Output is correct
32 Correct 4 ms 4736 KB Output is correct
33 Correct 4 ms 4700 KB Output is correct
34 Correct 4 ms 4700 KB Output is correct
35 Correct 4 ms 4700 KB Output is correct
36 Incorrect 3 ms 4696 KB Output isn't correct
37 Halted 0 ms 0 KB -

Subtask #8
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4696 KB Output is correct
2 Correct 3 ms 4696 KB Output is correct
3 Correct 3 ms 4696 KB Output is correct
4 Correct 3 ms 4700 KB Output is correct
5 Correct 3 ms 4748 KB Output is correct
6 Correct 3 ms 4700 KB Output is correct
7 Correct 3 ms 4700 KB Output is correct
8 Correct 3 ms 4700 KB Output is correct
9 Correct 3 ms 4696 KB Output is correct
10 Correct 3 ms 4700 KB Output is correct
11 Correct 3 ms 4700 KB Output is correct
12 Correct 3 ms 4700 KB Output is correct
13 Correct 3 ms 4700 KB Output is correct
14 Correct 3 ms 4700 KB Output is correct
15 Correct 3 ms 4700 KB Output is correct
16 Correct 3 ms 4956 KB Output is correct
17 Correct 3 ms 4700 KB Output is correct
18 Correct 3 ms 4744 KB Output is correct
19 Correct 3 ms 4700 KB Output is correct
20 Correct 3 ms 4700 KB Output is correct
21 Correct 3 ms 4700 KB Output is correct
22 Correct 3 ms 4700 KB Output is correct
23 Correct 3 ms 4700 KB Output is correct
24 Correct 3 ms 4744 KB Output is correct
25 Correct 3 ms 4700 KB Output is correct
26 Correct 312 ms 25604 KB Output is correct
27 Correct 301 ms 25788 KB Output is correct
28 Correct 323 ms 24752 KB Output is correct
29 Correct 305 ms 25648 KB Output is correct
30 Correct 329 ms 26352 KB Output is correct
31 Correct 309 ms 26780 KB Output is correct
32 Correct 288 ms 25024 KB Output is correct
33 Correct 310 ms 24880 KB Output is correct
34 Correct 312 ms 26044 KB Output is correct
35 Correct 302 ms 24880 KB Output is correct
36 Correct 300 ms 26328 KB Output is correct
37 Correct 319 ms 26140 KB Output is correct
38 Correct 296 ms 26048 KB Output is correct
39 Correct 314 ms 26300 KB Output is correct
40 Correct 305 ms 25832 KB Output is correct
41 Correct 309 ms 26300 KB Output is correct
42 Correct 308 ms 25340 KB Output is correct
43 Correct 296 ms 25828 KB Output is correct
44 Correct 268 ms 26336 KB Output is correct
45 Correct 293 ms 25792 KB Output is correct
46 Correct 3 ms 4696 KB Output is correct
47 Correct 263 ms 25232 KB Output is correct
48 Correct 216 ms 24772 KB Output is correct
49 Correct 290 ms 25768 KB Output is correct
50 Correct 267 ms 24272 KB Output is correct
51 Correct 225 ms 24032 KB Output is correct
52 Correct 219 ms 25028 KB Output is correct
53 Correct 304 ms 25436 KB Output is correct
54 Correct 303 ms 25272 KB Output is correct
55 Correct 257 ms 25452 KB Output is correct
56 Correct 238 ms 24624 KB Output is correct
57 Correct 214 ms 24984 KB Output is correct
58 Correct 255 ms 25576 KB Output is correct
59 Correct 228 ms 23932 KB Output is correct
60 Correct 272 ms 24688 KB Output is correct
61 Correct 247 ms 24072 KB Output is correct
62 Correct 250 ms 24508 KB Output is correct
63 Correct 235 ms 25184 KB Output is correct
64 Correct 224 ms 23996 KB Output is correct
65 Correct 220 ms 24900 KB Output is correct
66 Correct 240 ms 24348 KB Output is correct
67 Correct 3 ms 4700 KB Output is correct
68 Correct 4 ms 4952 KB Output is correct
69 Correct 4 ms 4700 KB Output is correct
70 Correct 4 ms 4696 KB Output is correct
71 Correct 4 ms 4696 KB Output is correct
72 Correct 4 ms 4700 KB Output is correct
73 Correct 4 ms 4700 KB Output is correct
74 Correct 4 ms 4700 KB Output is correct
75 Correct 4 ms 4700 KB Output is correct
76 Correct 4 ms 4700 KB Output is correct
77 Correct 4 ms 4736 KB Output is correct
78 Correct 4 ms 4700 KB Output is correct
79 Correct 4 ms 4700 KB Output is correct
80 Correct 4 ms 4700 KB Output is correct
81 Incorrect 3 ms 4696 KB Output isn't correct
82 Halted 0 ms 0 KB -