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답안 #493548

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
493548 2021-12-12T01:19:58 Z dooompy Cryptography (NOI20_crypto) C++17
100 / 100
 113 ms 9160 KB 
#include "bits/stdc++.h"

using namespace std;

using ll = long long;

const ll MOD = 1000000007;

int v[300005], p[300005];
ll fact[300005] = {1};
int bit[300005];

void add(int p) {
    for (; p < 300005; p += (p&(-p))) {
        bit[p]++;
    }
}

int sum(int p) {
    int s = 0;
    for (; p; p -= (p&(-p))) {
        s += bit[p];
    }
    return s;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
//    freopen("", "r", stdin);
//    freopen("", "w", stdout);
    int n; cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> v[i];
        p[i] = v[i];
        fact[i] = (i*fact[i-1]) % MOD;
    }
    sort(p+1, p+n+1);
    ll ans = 0;
    for (int i = 1; i <= n; i++) {
        int pos = lower_bound(p+1, p+n+1, v[i]) - p;
        ans += (fact[n-i] * (pos-1-sum(pos)));
        ans %= (ll)(1e9 + 7);
        add(pos);
    }

    cout << (ans + 1) % (ll) ( 1e9 + 7);
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 324 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 57 ms 8992 KB Output is correct
3 Correct 57 ms 9000 KB Output is correct
4 Correct 62 ms 9024 KB Output is correct
5 Correct 61 ms 9068 KB Output is correct
6 Correct 56 ms 8988 KB Output is correct
7 Correct 59 ms 9028 KB Output is correct
8 Correct 59 ms 9000 KB Output is correct
9 Correct 61 ms 9036 KB Output is correct
10 Correct 61 ms 8940 KB Output is correct
11 Correct 61 ms 9032 KB Output is correct
12 Correct 61 ms 9048 KB Output is correct
13 Correct 58 ms 9056 KB Output is correct
14 Correct 59 ms 8960 KB Output is correct
15 Correct 61 ms 9028 KB Output is correct
16 Correct 62 ms 9024 KB Output is correct
17 Correct 58 ms 8992 KB Output is correct
18 Correct 60 ms 8988 KB Output is correct
19 Correct 63 ms 9052 KB Output is correct
20 Correct 57 ms 8984 KB Output is correct
21 Correct 57 ms 8936 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 51 ms 6072 KB Output is correct
3 Correct 51 ms 6080 KB Output is correct
4 Correct 52 ms 6064 KB Output is correct
5 Correct 53 ms 6080 KB Output is correct
6 Correct 51 ms 6136 KB Output is correct
7 Correct 53 ms 6084 KB Output is correct
8 Correct 51 ms 6160 KB Output is correct
9 Correct 53 ms 6084 KB Output is correct
10 Correct 53 ms 6120 KB Output is correct
11 Correct 53 ms 6084 KB Output is correct
12 Correct 53 ms 6040 KB Output is correct
13 Correct 52 ms 6140 KB Output is correct
14 Correct 53 ms 6076 KB Output is correct
15 Correct 58 ms 6092 KB Output is correct
16 Correct 51 ms 6072 KB Output is correct
17 Correct 56 ms 6068 KB Output is correct
18 Correct 54 ms 6144 KB Output is correct
19 Correct 50 ms 6084 KB Output is correct
20 Correct 50 ms 6156 KB Output is correct
21 Correct 50 ms 6060 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 324 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 0 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 460 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 1 ms 344 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 332 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 0 ms 332 KB Output is correct
62 Correct 1 ms 332 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 1 ms 332 KB Output is correct
65 Correct 1 ms 332 KB Output is correct
66 Correct 1 ms 332 KB Output is correct
67 Correct 1 ms 332 KB Output is correct
68 Correct 1 ms 332 KB Output is correct

Subtask #7
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 51 ms 6072 KB Output is correct
3 Correct 51 ms 6080 KB Output is correct
4 Correct 52 ms 6064 KB Output is correct
5 Correct 53 ms 6080 KB Output is correct
6 Correct 51 ms 6136 KB Output is correct
7 Correct 53 ms 6084 KB Output is correct
8 Correct 51 ms 6160 KB Output is correct
9 Correct 53 ms 6084 KB Output is correct
10 Correct 53 ms 6120 KB Output is correct
11 Correct 53 ms 6084 KB Output is correct
12 Correct 53 ms 6040 KB Output is correct
13 Correct 52 ms 6140 KB Output is correct
14 Correct 53 ms 6076 KB Output is correct
15 Correct 58 ms 6092 KB Output is correct
16 Correct 51 ms 6072 KB Output is correct
17 Correct 56 ms 6068 KB Output is correct
18 Correct 54 ms 6144 KB Output is correct
19 Correct 50 ms 6084 KB Output is correct
20 Correct 50 ms 6156 KB Output is correct
21 Correct 50 ms 6060 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 0 ms 332 KB Output is correct
45 Correct 100 ms 6168 KB Output is correct
46 Correct 104 ms 6164 KB Output is correct
47 Correct 102 ms 6212 KB Output is correct
48 Correct 102 ms 6164 KB Output is correct
49 Correct 103 ms 6144 KB Output is correct
50 Correct 99 ms 6084 KB Output is correct
51 Correct 97 ms 6160 KB Output is correct
52 Correct 100 ms 6156 KB Output is correct
53 Correct 99 ms 6148 KB Output is correct
54 Correct 104 ms 6212 KB Output is correct
55 Correct 102 ms 6160 KB Output is correct
56 Correct 99 ms 6156 KB Output is correct
57 Correct 101 ms 6084 KB Output is correct
58 Correct 0 ms 332 KB Output is correct
59 Correct 104 ms 6164 KB Output is correct
60 Correct 100 ms 6152 KB Output is correct
61 Correct 106 ms 6144 KB Output is correct
62 Correct 97 ms 6168 KB Output is correct
63 Correct 100 ms 6136 KB Output is correct
64 Correct 107 ms 6280 KB Output is correct
65 Correct 102 ms 6152 KB Output is correct

Subtask #8
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 324 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 57 ms 8992 KB Output is correct
27 Correct 57 ms 9000 KB Output is correct
28 Correct 62 ms 9024 KB Output is correct
29 Correct 61 ms 9068 KB Output is correct
30 Correct 56 ms 8988 KB Output is correct
31 Correct 59 ms 9028 KB Output is correct
32 Correct 59 ms 9000 KB Output is correct
33 Correct 61 ms 9036 KB Output is correct
34 Correct 61 ms 8940 KB Output is correct
35 Correct 61 ms 9032 KB Output is correct
36 Correct 61 ms 9048 KB Output is correct
37 Correct 58 ms 9056 KB Output is correct
38 Correct 59 ms 8960 KB Output is correct
39 Correct 61 ms 9028 KB Output is correct
40 Correct 62 ms 9024 KB Output is correct
41 Correct 58 ms 8992 KB Output is correct
42 Correct 60 ms 8988 KB Output is correct
43 Correct 63 ms 9052 KB Output is correct
44 Correct 57 ms 8984 KB Output is correct
45 Correct 57 ms 8936 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 51 ms 6072 KB Output is correct
48 Correct 51 ms 6080 KB Output is correct
49 Correct 52 ms 6064 KB Output is correct
50 Correct 53 ms 6080 KB Output is correct
51 Correct 51 ms 6136 KB Output is correct
52 Correct 53 ms 6084 KB Output is correct
53 Correct 51 ms 6160 KB Output is correct
54 Correct 53 ms 6084 KB Output is correct
55 Correct 53 ms 6120 KB Output is correct
56 Correct 53 ms 6084 KB Output is correct
57 Correct 53 ms 6040 KB Output is correct
58 Correct 52 ms 6140 KB Output is correct
59 Correct 53 ms 6076 KB Output is correct
60 Correct 58 ms 6092 KB Output is correct
61 Correct 51 ms 6072 KB Output is correct
62 Correct 56 ms 6068 KB Output is correct
63 Correct 54 ms 6144 KB Output is correct
64 Correct 50 ms 6084 KB Output is correct
65 Correct 50 ms 6156 KB Output is correct
66 Correct 50 ms 6060 KB Output is correct
67 Correct 1 ms 332 KB Output is correct
68 Correct 1 ms 332 KB Output is correct
69 Correct 1 ms 332 KB Output is correct
70 Correct 1 ms 332 KB Output is correct
71 Correct 1 ms 332 KB Output is correct
72 Correct 1 ms 332 KB Output is correct
73 Correct 1 ms 332 KB Output is correct
74 Correct 1 ms 332 KB Output is correct
75 Correct 1 ms 332 KB Output is correct
76 Correct 1 ms 332 KB Output is correct
77 Correct 1 ms 332 KB Output is correct
78 Correct 1 ms 332 KB Output is correct
79 Correct 1 ms 332 KB Output is correct
80 Correct 1 ms 344 KB Output is correct
81 Correct 0 ms 332 KB Output is correct
82 Correct 1 ms 332 KB Output is correct
83 Correct 1 ms 332 KB Output is correct
84 Correct 1 ms 332 KB Output is correct
85 Correct 1 ms 332 KB Output is correct
86 Correct 1 ms 332 KB Output is correct
87 Correct 1 ms 332 KB Output is correct
88 Correct 1 ms 332 KB Output is correct
89 Correct 0 ms 332 KB Output is correct
90 Correct 1 ms 332 KB Output is correct
91 Correct 1 ms 460 KB Output is correct
92 Correct 1 ms 332 KB Output is correct
93 Correct 1 ms 332 KB Output is correct
94 Correct 1 ms 344 KB Output is correct
95 Correct 1 ms 332 KB Output is correct
96 Correct 1 ms 332 KB Output is correct
97 Correct 1 ms 332 KB Output is correct
98 Correct 1 ms 332 KB Output is correct
99 Correct 1 ms 332 KB Output is correct
100 Correct 1 ms 332 KB Output is correct
101 Correct 1 ms 332 KB Output is correct
102 Correct 1 ms 332 KB Output is correct
103 Correct 0 ms 332 KB Output is correct
104 Correct 1 ms 332 KB Output is correct
105 Correct 1 ms 332 KB Output is correct
106 Correct 1 ms 332 KB Output is correct
107 Correct 1 ms 332 KB Output is correct
108 Correct 1 ms 332 KB Output is correct
109 Correct 1 ms 332 KB Output is correct
110 Correct 1 ms 332 KB Output is correct
111 Correct 0 ms 332 KB Output is correct
112 Correct 100 ms 6168 KB Output is correct
113 Correct 104 ms 6164 KB Output is correct
114 Correct 102 ms 6212 KB Output is correct
115 Correct 102 ms 6164 KB Output is correct
116 Correct 103 ms 6144 KB Output is correct
117 Correct 99 ms 6084 KB Output is correct
118 Correct 97 ms 6160 KB Output is correct
119 Correct 100 ms 6156 KB Output is correct
120 Correct 99 ms 6148 KB Output is correct
121 Correct 104 ms 6212 KB Output is correct
122 Correct 102 ms 6160 KB Output is correct
123 Correct 99 ms 6156 KB Output is correct
124 Correct 101 ms 6084 KB Output is correct
125 Correct 0 ms 332 KB Output is correct
126 Correct 104 ms 6164 KB Output is correct
127 Correct 100 ms 6152 KB Output is correct
128 Correct 106 ms 6144 KB Output is correct
129 Correct 97 ms 6168 KB Output is correct
130 Correct 100 ms 6136 KB Output is correct
131 Correct 107 ms 6280 KB Output is correct
132 Correct 102 ms 6152 KB Output is correct
133 Correct 0 ms 332 KB Output is correct
134 Correct 107 ms 9084 KB Output is correct
135 Correct 109 ms 9008 KB Output is correct
136 Correct 106 ms 9048 KB Output is correct
137 Correct 108 ms 9064 KB Output is correct
138 Correct 104 ms 9060 KB Output is correct
139 Correct 106 ms 9052 KB Output is correct
140 Correct 104 ms 9008 KB Output is correct
141 Correct 107 ms 9028 KB Output is correct
142 Correct 109 ms 8944 KB Output is correct
143 Correct 105 ms 8972 KB Output is correct
144 Correct 111 ms 9060 KB Output is correct
145 Correct 105 ms 9160 KB Output is correct
146 Correct 113 ms 9000 KB Output is correct
147 Correct 1 ms 332 KB Output is correct
148 Correct 111 ms 8940 KB Output is correct
149 Correct 103 ms 9028 KB Output is correct
150 Correct 106 ms 9028 KB Output is correct
151 Correct 109 ms 9160 KB Output is correct
152 Correct 109 ms 9080 KB Output is correct
153 Correct 105 ms 9024 KB Output is correct
154 Correct 108 ms 9060 KB Output is correct