oj.uz

Submission #733834

# Submission time Handle Problem Language Result Execution time Memory
733834 2023-05-01T10:56:11 Z vjudge1 Cryptography (NOI20_crypto) C++17
100 / 100
 153 ms 9936 KB 
#include<bits/stdc++.h>
using namespace std;

#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

#define int long long
 
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;

template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
    out << c.first << ' ' << c.second;
    return out;
}

template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
    const int sz = v.size();
    for (int i = 0; i < sz; i++) {
        if (i) out << ' ';
        out << v[i];
    }
    return out;
}

template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
    for (T &x : v) in >> x;
    return in;
}

template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}

void go() {
	int n;
	cin >> n;
	const int mod = 1e9 + 7;
	vector<int> a(n);
	vector<int> tmp;
	for(int i = 0; i < n; i++) {
		cin >> a[i];
		tmp.pb(a[i]);
	}
	vector<int> sum(n + 10, 0);

	auto up = [&](int l, int val) -> void {
		for(; l <= n; l += (l & -l)) {
			sum[l] += val;
		}
	};

	auto get = [&](int l) -> int {
		int ret = 0;
		for(; l; l -= (l & -l)) {
			ret += sum[l];
		}
		return ret;
	};

	sort(all(tmp));
	tmp.erase(unique(all(tmp)), tmp.end());
	for(int i = 0; i < n; i++) {
		a[i] = lower_bound(all(tmp), a[i]) - tmp.begin() + 1;		
		up(i + 1, 1);
	}
	vector<int> f(n + 10);
	f[0] = 1;
	for(int i = 1; i <= n; i++) {
		f[i] = (f[i - 1] * i) % mod;
	}
	int ans = 0;
	for(int i = 0; i < n; i++) {
		ans = (ans + get(a[i] - 1) * f[n - i - 1]) % mod;
		up(a[i], -1);
	}
	cout << (ans + 1) % mod << '\n';
}

signed main() {
    fast;
    int t = 1;
    // cin >> t;
    while(t--) {
        go();
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 73 ms 9796 KB Output is correct
3 Correct 70 ms 9808 KB Output is correct
4 Correct 68 ms 9724 KB Output is correct
5 Correct 72 ms 9800 KB Output is correct
6 Correct 76 ms 9804 KB Output is correct
7 Correct 76 ms 9796 KB Output is correct
8 Correct 71 ms 9796 KB Output is correct
9 Correct 68 ms 9800 KB Output is correct
10 Correct 73 ms 9788 KB Output is correct
11 Correct 83 ms 9804 KB Output is correct
12 Correct 74 ms 9788 KB Output is correct
13 Correct 65 ms 9804 KB Output is correct
14 Correct 67 ms 9836 KB Output is correct
15 Correct 75 ms 9764 KB Output is correct
16 Correct 69 ms 9804 KB Output is correct
17 Correct 70 ms 9844 KB Output is correct
18 Correct 66 ms 9844 KB Output is correct
19 Correct 62 ms 9808 KB Output is correct
20 Correct 67 ms 9820 KB Output is correct
21 Correct 73 ms 9792 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 64 ms 9844 KB Output is correct
3 Correct 63 ms 9804 KB Output is correct
4 Correct 63 ms 9804 KB Output is correct
5 Correct 62 ms 9812 KB Output is correct
6 Correct 66 ms 9840 KB Output is correct
7 Correct 57 ms 9796 KB Output is correct
8 Correct 60 ms 9800 KB Output is correct
9 Correct 67 ms 9844 KB Output is correct
10 Correct 76 ms 9772 KB Output is correct
11 Correct 59 ms 9784 KB Output is correct
12 Correct 64 ms 9796 KB Output is correct
13 Correct 62 ms 9812 KB Output is correct
14 Correct 62 ms 9804 KB Output is correct
15 Correct 67 ms 9788 KB Output is correct
16 Correct 67 ms 9800 KB Output is correct
17 Correct 69 ms 9832 KB Output is correct
18 Correct 60 ms 9840 KB Output is correct
19 Correct 58 ms 9800 KB Output is correct
20 Correct 64 ms 9768 KB Output is correct
21 Correct 64 ms 9816 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 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 1 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 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 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 2 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 2 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 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 1 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 0 ms 212 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 1 ms 340 KB Output is correct
45 Correct 2 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 0 ms 212 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 2 ms 356 KB Output is correct
53 Correct 2 ms 340 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 340 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 0 ms 212 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 2 ms 340 KB Output is correct
65 Correct 2 ms 340 KB Output is correct
66 Correct 1 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct

Subtask #7
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 64 ms 9844 KB Output is correct
3 Correct 63 ms 9804 KB Output is correct
4 Correct 63 ms 9804 KB Output is correct
5 Correct 62 ms 9812 KB Output is correct
6 Correct 66 ms 9840 KB Output is correct
7 Correct 57 ms 9796 KB Output is correct
8 Correct 60 ms 9800 KB Output is correct
9 Correct 67 ms 9844 KB Output is correct
10 Correct 76 ms 9772 KB Output is correct
11 Correct 59 ms 9784 KB Output is correct
12 Correct 64 ms 9796 KB Output is correct
13 Correct 62 ms 9812 KB Output is correct
14 Correct 62 ms 9804 KB Output is correct
15 Correct 67 ms 9788 KB Output is correct
16 Correct 67 ms 9800 KB Output is correct
17 Correct 69 ms 9832 KB Output is correct
18 Correct 60 ms 9840 KB Output is correct
19 Correct 58 ms 9800 KB Output is correct
20 Correct 64 ms 9768 KB Output is correct
21 Correct 64 ms 9816 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 1 ms 340 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 340 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 1 ms 340 KB Output is correct
36 Correct 0 ms 212 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 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 2 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 122 ms 9848 KB Output is correct
46 Correct 137 ms 9788 KB Output is correct
47 Correct 129 ms 9848 KB Output is correct
48 Correct 121 ms 9800 KB Output is correct
49 Correct 127 ms 9800 KB Output is correct
50 Correct 127 ms 9724 KB Output is correct
51 Correct 134 ms 9936 KB Output is correct
52 Correct 115 ms 9856 KB Output is correct
53 Correct 115 ms 9848 KB Output is correct
54 Correct 121 ms 9800 KB Output is correct
55 Correct 126 ms 9796 KB Output is correct
56 Correct 118 ms 9776 KB Output is correct
57 Correct 116 ms 9840 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 153 ms 9800 KB Output is correct
60 Correct 122 ms 9832 KB Output is correct
61 Correct 116 ms 9800 KB Output is correct
62 Correct 115 ms 9800 KB Output is correct
63 Correct 134 ms 9932 KB Output is correct
64 Correct 138 ms 9800 KB Output is correct
65 Correct 123 ms 9828 KB Output is correct

Subtask #8
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 73 ms 9796 KB Output is correct
27 Correct 70 ms 9808 KB Output is correct
28 Correct 68 ms 9724 KB Output is correct
29 Correct 72 ms 9800 KB Output is correct
30 Correct 76 ms 9804 KB Output is correct
31 Correct 76 ms 9796 KB Output is correct
32 Correct 71 ms 9796 KB Output is correct
33 Correct 68 ms 9800 KB Output is correct
34 Correct 73 ms 9788 KB Output is correct
35 Correct 83 ms 9804 KB Output is correct
36 Correct 74 ms 9788 KB Output is correct
37 Correct 65 ms 9804 KB Output is correct
38 Correct 67 ms 9836 KB Output is correct
39 Correct 75 ms 9764 KB Output is correct
40 Correct 69 ms 9804 KB Output is correct
41 Correct 70 ms 9844 KB Output is correct
42 Correct 66 ms 9844 KB Output is correct
43 Correct 62 ms 9808 KB Output is correct
44 Correct 67 ms 9820 KB Output is correct
45 Correct 73 ms 9792 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 64 ms 9844 KB Output is correct
48 Correct 63 ms 9804 KB Output is correct
49 Correct 63 ms 9804 KB Output is correct
50 Correct 62 ms 9812 KB Output is correct
51 Correct 66 ms 9840 KB Output is correct
52 Correct 57 ms 9796 KB Output is correct
53 Correct 60 ms 9800 KB Output is correct
54 Correct 67 ms 9844 KB Output is correct
55 Correct 76 ms 9772 KB Output is correct
56 Correct 59 ms 9784 KB Output is correct
57 Correct 64 ms 9796 KB Output is correct
58 Correct 62 ms 9812 KB Output is correct
59 Correct 62 ms 9804 KB Output is correct
60 Correct 67 ms 9788 KB Output is correct
61 Correct 67 ms 9800 KB Output is correct
62 Correct 69 ms 9832 KB Output is correct
63 Correct 60 ms 9840 KB Output is correct
64 Correct 58 ms 9800 KB Output is correct
65 Correct 64 ms 9768 KB Output is correct
66 Correct 64 ms 9816 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 2 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 2 ms 340 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 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 1 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 0 ms 212 KB Output is correct
82 Correct 1 ms 340 KB Output is correct
83 Correct 1 ms 340 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 2 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 0 ms 212 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 2 ms 356 KB Output is correct
95 Correct 2 ms 340 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 340 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 0 ms 212 KB Output is correct
104 Correct 1 ms 340 KB Output is correct
105 Correct 1 ms 340 KB Output is correct
106 Correct 2 ms 340 KB Output is correct
107 Correct 2 ms 340 KB Output is correct
108 Correct 1 ms 340 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 1 ms 340 KB Output is correct
111 Correct 1 ms 212 KB Output is correct
112 Correct 122 ms 9848 KB Output is correct
113 Correct 137 ms 9788 KB Output is correct
114 Correct 129 ms 9848 KB Output is correct
115 Correct 121 ms 9800 KB Output is correct
116 Correct 127 ms 9800 KB Output is correct
117 Correct 127 ms 9724 KB Output is correct
118 Correct 134 ms 9936 KB Output is correct
119 Correct 115 ms 9856 KB Output is correct
120 Correct 115 ms 9848 KB Output is correct
121 Correct 121 ms 9800 KB Output is correct
122 Correct 126 ms 9796 KB Output is correct
123 Correct 118 ms 9776 KB Output is correct
124 Correct 116 ms 9840 KB Output is correct
125 Correct 0 ms 212 KB Output is correct
126 Correct 153 ms 9800 KB Output is correct
127 Correct 122 ms 9832 KB Output is correct
128 Correct 116 ms 9800 KB Output is correct
129 Correct 115 ms 9800 KB Output is correct
130 Correct 134 ms 9932 KB Output is correct
131 Correct 138 ms 9800 KB Output is correct
132 Correct 123 ms 9828 KB Output is correct
133 Correct 1 ms 212 KB Output is correct
134 Correct 124 ms 9800 KB Output is correct
135 Correct 136 ms 9856 KB Output is correct
136 Correct 131 ms 9784 KB Output is correct
137 Correct 125 ms 9816 KB Output is correct
138 Correct 123 ms 9848 KB Output is correct
139 Correct 134 ms 9800 KB Output is correct
140 Correct 123 ms 9800 KB Output is correct
141 Correct 120 ms 9728 KB Output is correct
142 Correct 123 ms 9800 KB Output is correct
143 Correct 142 ms 9800 KB Output is correct
144 Correct 123 ms 9788 KB Output is correct
145 Correct 127 ms 9864 KB Output is correct
146 Correct 124 ms 9800 KB Output is correct
147 Correct 1 ms 212 KB Output is correct
148 Correct 125 ms 9808 KB Output is correct
149 Correct 129 ms 9800 KB Output is correct
150 Correct 127 ms 9804 KB Output is correct
151 Correct 138 ms 9804 KB Output is correct
152 Correct 139 ms 9812 KB Output is correct
153 Correct 121 ms 9800 KB Output is correct
154 Correct 130 ms 9788 KB Output is correct