oj.uz

답안 #691275

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
691275 2023-01-31T04:16:44 Z ghostwriter Cryptography (NOI20_crypto) C++17
100 / 100
 120 ms 8112 KB 
#include <bits/stdc++.h>
using namespace std;
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define ins insert
#define ers erase
#define lb lower_bound
#define ub upper_bound
#define bg begin
#define ed end
#define ft front
#define bk back
#define sz(x) (int)x.size()
#define all(x) (x).bg(), (x).ed()
#define mtp make_tuple
#define ll long long
#define ull unsigned long long
#define db double
#define ldb long double
#define str string
#define pi pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vll vector<ll>
#define vpi vector<pi>
#define vpll vector<pll>
#define FOR(i, l, r) for (int i = (l); i <= (r); ++i)
#define FOS(i, r, l) for (int i = (r); i >= (l); --i)
#define FRN(i, n) for (int i = 0; i < (n); ++i)
#define FSN(i, n) for (int i = (n) - 1; i >= 0; --i)
#define EACH(i, x) for (auto &i : (x))
#define WHILE while
template<typename T> T gcd(T a, T b) { WHILE(b) { a %= b; swap(a, b); } return a; }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
const int M = 1e9 + 7;
const int N = 3e5 + 5;
int n, p[N], s[N], f[N], f1[N];
int getp(int x) { return lb(s + 1, s + 1 + n, x) - s; }
void upd(int pos, int v) { for (int i = pos; i <= n; i += (i & -i)) f[i] += v; }
int get(int pos) { int rs = 0; for (int i = pos; i > 0; i -= (i & -i)) rs += f[i]; return rs; }
signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);
    cin >> n;
    FOR(i, 1, n) cin >> p[i];
    FOR(i, 1, n) s[i] = p[i];
    sort(s + 1, s + 1 + n);
    int rs = 1;
    f1[0] = 1;
    FOR(i, 1, n) f1[i] = 1LL * f1[i - 1] * i % M;
    FOR(i, 1, n) {
        int cur = getp(p[i]), sm = cur - 1 - get(cur - 1);
        (rs += 1LL * sm * f1[n - i] % M) %= M;
        upd(cur, 1);
    }
    cout << rs;
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 328 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 59 ms 7900 KB Output is correct
3 Correct 63 ms 7868 KB Output is correct
4 Correct 60 ms 7908 KB Output is correct
5 Correct 59 ms 7792 KB Output is correct
6 Correct 59 ms 7848 KB Output is correct
7 Correct 62 ms 7912 KB Output is correct
8 Correct 72 ms 7784 KB Output is correct
9 Correct 57 ms 7796 KB Output is correct
10 Correct 60 ms 7872 KB Output is correct
11 Correct 64 ms 7864 KB Output is correct
12 Correct 60 ms 7900 KB Output is correct
13 Correct 64 ms 7828 KB Output is correct
14 Correct 57 ms 7836 KB Output is correct
15 Correct 62 ms 7892 KB Output is correct
16 Correct 57 ms 7812 KB Output is correct
17 Correct 63 ms 7944 KB Output is correct
18 Correct 59 ms 7884 KB Output is correct
19 Correct 61 ms 7872 KB Output is correct
20 Correct 57 ms 7896 KB Output is correct
21 Correct 62 ms 7940 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 54 ms 6928 KB Output is correct
3 Correct 55 ms 6904 KB Output is correct
4 Correct 53 ms 6988 KB Output is correct
5 Correct 56 ms 6868 KB Output is correct
6 Correct 55 ms 6916 KB Output is correct
7 Correct 52 ms 6952 KB Output is correct
8 Correct 58 ms 6912 KB Output is correct
9 Correct 55 ms 6912 KB Output is correct
10 Correct 57 ms 6952 KB Output is correct
11 Correct 54 ms 6860 KB Output is correct
12 Correct 54 ms 6924 KB Output is correct
13 Correct 53 ms 6908 KB Output is correct
14 Correct 56 ms 6860 KB Output is correct
15 Correct 55 ms 6912 KB Output is correct
16 Correct 53 ms 6840 KB Output is correct
17 Correct 66 ms 6888 KB Output is correct
18 Correct 54 ms 6924 KB Output is correct
19 Correct 54 ms 6944 KB Output is correct
20 Correct 53 ms 6944 KB Output is correct
21 Correct 53 ms 6900 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 328 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 2 ms 344 KB Output is correct
54 Correct 2 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 2 ms 344 KB Output is correct
57 Correct 2 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 2 ms 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 2 ms 340 KB Output is correct
67 Correct 2 ms 432 KB Output is correct
68 Correct 1 ms 340 KB Output is correct

Subtask #7
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 54 ms 6928 KB Output is correct
3 Correct 55 ms 6904 KB Output is correct
4 Correct 53 ms 6988 KB Output is correct
5 Correct 56 ms 6868 KB Output is correct
6 Correct 55 ms 6916 KB Output is correct
7 Correct 52 ms 6952 KB Output is correct
8 Correct 58 ms 6912 KB Output is correct
9 Correct 55 ms 6912 KB Output is correct
10 Correct 57 ms 6952 KB Output is correct
11 Correct 54 ms 6860 KB Output is correct
12 Correct 54 ms 6924 KB Output is correct
13 Correct 53 ms 6908 KB Output is correct
14 Correct 56 ms 6860 KB Output is correct
15 Correct 55 ms 6912 KB Output is correct
16 Correct 53 ms 6840 KB Output is correct
17 Correct 66 ms 6888 KB Output is correct
18 Correct 54 ms 6924 KB Output is correct
19 Correct 54 ms 6944 KB Output is correct
20 Correct 53 ms 6944 KB Output is correct
21 Correct 53 ms 6900 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 0 ms 328 KB Output is correct
45 Correct 105 ms 6916 KB Output is correct
46 Correct 102 ms 6912 KB Output is correct
47 Correct 101 ms 6948 KB Output is correct
48 Correct 108 ms 6944 KB Output is correct
49 Correct 101 ms 6956 KB Output is correct
50 Correct 103 ms 6868 KB Output is correct
51 Correct 103 ms 6956 KB Output is correct
52 Correct 108 ms 6912 KB Output is correct
53 Correct 102 ms 6904 KB Output is correct
54 Correct 112 ms 6852 KB Output is correct
55 Correct 117 ms 7056 KB Output is correct
56 Correct 104 ms 6952 KB Output is correct
57 Correct 100 ms 6916 KB Output is correct
58 Correct 0 ms 340 KB Output is correct
59 Correct 120 ms 7020 KB Output is correct
60 Correct 117 ms 6912 KB Output is correct
61 Correct 115 ms 6960 KB Output is correct
62 Correct 103 ms 6968 KB Output is correct
63 Correct 102 ms 6912 KB Output is correct
64 Correct 110 ms 6856 KB Output is correct
65 Correct 105 ms 6932 KB Output is correct

Subtask #8
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 328 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 59 ms 7900 KB Output is correct
27 Correct 63 ms 7868 KB Output is correct
28 Correct 60 ms 7908 KB Output is correct
29 Correct 59 ms 7792 KB Output is correct
30 Correct 59 ms 7848 KB Output is correct
31 Correct 62 ms 7912 KB Output is correct
32 Correct 72 ms 7784 KB Output is correct
33 Correct 57 ms 7796 KB Output is correct
34 Correct 60 ms 7872 KB Output is correct
35 Correct 64 ms 7864 KB Output is correct
36 Correct 60 ms 7900 KB Output is correct
37 Correct 64 ms 7828 KB Output is correct
38 Correct 57 ms 7836 KB Output is correct
39 Correct 62 ms 7892 KB Output is correct
40 Correct 57 ms 7812 KB Output is correct
41 Correct 63 ms 7944 KB Output is correct
42 Correct 59 ms 7884 KB Output is correct
43 Correct 61 ms 7872 KB Output is correct
44 Correct 57 ms 7896 KB Output is correct
45 Correct 62 ms 7940 KB Output is correct
46 Correct 0 ms 336 KB Output is correct
47 Correct 54 ms 6928 KB Output is correct
48 Correct 55 ms 6904 KB Output is correct
49 Correct 53 ms 6988 KB Output is correct
50 Correct 56 ms 6868 KB Output is correct
51 Correct 55 ms 6916 KB Output is correct
52 Correct 52 ms 6952 KB Output is correct
53 Correct 58 ms 6912 KB Output is correct
54 Correct 55 ms 6912 KB Output is correct
55 Correct 57 ms 6952 KB Output is correct
56 Correct 54 ms 6860 KB Output is correct
57 Correct 54 ms 6924 KB Output is correct
58 Correct 53 ms 6908 KB Output is correct
59 Correct 56 ms 6860 KB Output is correct
60 Correct 55 ms 6912 KB Output is correct
61 Correct 53 ms 6840 KB Output is correct
62 Correct 66 ms 6888 KB Output is correct
63 Correct 54 ms 6924 KB Output is correct
64 Correct 54 ms 6944 KB Output is correct
65 Correct 53 ms 6944 KB Output is correct
66 Correct 53 ms 6900 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 348 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 344 KB Output is correct
73 Correct 1 ms 340 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 1 ms 340 KB Output is correct
77 Correct 2 ms 340 KB Output is correct
78 Correct 1 ms 340 KB Output is correct
79 Correct 1 ms 340 KB Output is correct
80 Correct 1 ms 340 KB Output is correct
81 Correct 1 ms 332 KB Output is correct
82 Correct 1 ms 468 KB Output is correct
83 Correct 1 ms 348 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 1 ms 340 KB Output is correct
90 Correct 1 ms 340 KB Output is correct
91 Correct 1 ms 340 KB Output is correct
92 Correct 1 ms 340 KB Output is correct
93 Correct 1 ms 340 KB Output is correct
94 Correct 1 ms 340 KB Output is correct
95 Correct 2 ms 344 KB Output is correct
96 Correct 2 ms 340 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 2 ms 344 KB Output is correct
99 Correct 2 ms 340 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 1 ms 340 KB Output is correct
102 Correct 1 ms 340 KB Output is correct
103 Correct 1 ms 340 KB Output is correct
104 Correct 2 ms 340 KB Output is correct
105 Correct 1 ms 340 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 1 ms 340 KB Output is correct
108 Correct 2 ms 340 KB Output is correct
109 Correct 2 ms 432 KB Output is correct
110 Correct 1 ms 340 KB Output is correct
111 Correct 0 ms 328 KB Output is correct
112 Correct 105 ms 6916 KB Output is correct
113 Correct 102 ms 6912 KB Output is correct
114 Correct 101 ms 6948 KB Output is correct
115 Correct 108 ms 6944 KB Output is correct
116 Correct 101 ms 6956 KB Output is correct
117 Correct 103 ms 6868 KB Output is correct
118 Correct 103 ms 6956 KB Output is correct
119 Correct 108 ms 6912 KB Output is correct
120 Correct 102 ms 6904 KB Output is correct
121 Correct 112 ms 6852 KB Output is correct
122 Correct 117 ms 7056 KB Output is correct
123 Correct 104 ms 6952 KB Output is correct
124 Correct 100 ms 6916 KB Output is correct
125 Correct 0 ms 340 KB Output is correct
126 Correct 120 ms 7020 KB Output is correct
127 Correct 117 ms 6912 KB Output is correct
128 Correct 115 ms 6960 KB Output is correct
129 Correct 103 ms 6968 KB Output is correct
130 Correct 102 ms 6912 KB Output is correct
131 Correct 110 ms 6856 KB Output is correct
132 Correct 105 ms 6932 KB Output is correct
133 Correct 1 ms 340 KB Output is correct
134 Correct 106 ms 7908 KB Output is correct
135 Correct 116 ms 7912 KB Output is correct
136 Correct 104 ms 7864 KB Output is correct
137 Correct 110 ms 7884 KB Output is correct
138 Correct 109 ms 7840 KB Output is correct
139 Correct 107 ms 7904 KB Output is correct
140 Correct 107 ms 7884 KB Output is correct
141 Correct 112 ms 7884 KB Output is correct
142 Correct 111 ms 7868 KB Output is correct
143 Correct 108 ms 7908 KB Output is correct
144 Correct 109 ms 8012 KB Output is correct
145 Correct 104 ms 7916 KB Output is correct
146 Correct 109 ms 7888 KB Output is correct
147 Correct 1 ms 340 KB Output is correct
148 Correct 105 ms 7900 KB Output is correct
149 Correct 105 ms 7912 KB Output is correct
150 Correct 106 ms 7828 KB Output is correct
151 Correct 106 ms 7812 KB Output is correct
152 Correct 107 ms 8112 KB Output is correct
153 Correct 108 ms 7908 KB Output is correct
154 Correct 110 ms 7916 KB Output is correct