oj.uz

Submission #676486

# Submission time Handle Problem Language Result Execution time Memory
676486 2022-12-31T03:37:22 Z penguin133 Cryptography (NOI20_crypto) C++17
100 / 100
 93 ms 10344 KB 
#include <bits/stdc++.h>
using namespace std;
int ft[300005];
pair<int, int> d[300005];
int n;
int ls(int x){
	return x & (-x);
}
void update(int p, int v){
	for(;p<=n;p+=ls(p)){
		ft[p] += v;
	}
}
void update1(int p){
	for(;p<=n;p+=ls(p))ft[p] = 0;
}
int query(int p){
	int sum = 0;
	for(;p;p-=ls(p)){
		sum += ft[p];
	}
	return sum;
}
int main(){
    ios::sync_with_stdio(0);cin.tie(0);
	cin >> n;
	int arr[n+1];
	long long f[n+1];
	f[1] = 1;
	f[0] = 0;
	for(int i=1;i<=n;i++)cin >> arr[i];
	for(int i=1;i<=n;i++)update(i, 1);
	for(int i=2;i<=n;i++)f[i] = (i * f[i-1])%1000000007; 
	for(int i = 1; i <= n; i++){
		d[i].first = arr[i];
		d[i].second = i;
	}
	sort(d + 1, d + n + 1);
	int cnt2 = 1;
	for(int i = 1; i <= n; i++){
		if (i > 1 && d[i].first != d[i-1].first) cnt2++;
		arr[d[i].second] = cnt2;
	}
	long long cnt = 1;
	for(int i=1;i<=n;i++){
		int e = arr[i];
		cnt += f[n-i] * (query(e)- 1);
		cnt %= 1000000007;
		update(e, -1);
	}
	cout << cnt;
}

Subtask #1
5.0 / 5.0

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

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 324 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 328 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 55 ms 10256 KB Output is correct
3 Correct 53 ms 10216 KB Output is correct
4 Correct 49 ms 10228 KB Output is correct
5 Correct 48 ms 10216 KB Output is correct
6 Correct 47 ms 10224 KB Output is correct
7 Correct 51 ms 10208 KB Output is correct
8 Correct 54 ms 10244 KB Output is correct
9 Correct 50 ms 10224 KB Output is correct
10 Correct 51 ms 10228 KB Output is correct
11 Correct 50 ms 10224 KB Output is correct
12 Correct 55 ms 10188 KB Output is correct
13 Correct 49 ms 10232 KB Output is correct
14 Correct 52 ms 10312 KB Output is correct
15 Correct 50 ms 10232 KB Output is correct
16 Correct 49 ms 10220 KB Output is correct
17 Correct 50 ms 10216 KB Output is correct
18 Correct 65 ms 10236 KB Output is correct
19 Correct 51 ms 10248 KB Output is correct
20 Correct 53 ms 10216 KB Output is correct
21 Correct 51 ms 10248 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 60 ms 9204 KB Output is correct
3 Correct 47 ms 9224 KB Output is correct
4 Correct 48 ms 9296 KB Output is correct
5 Correct 48 ms 9292 KB Output is correct
6 Correct 49 ms 9200 KB Output is correct
7 Correct 47 ms 9292 KB Output is correct
8 Correct 47 ms 9188 KB Output is correct
9 Correct 44 ms 9292 KB Output is correct
10 Correct 44 ms 9292 KB Output is correct
11 Correct 69 ms 9176 KB Output is correct
12 Correct 45 ms 9204 KB Output is correct
13 Correct 47 ms 9208 KB Output is correct
14 Correct 55 ms 9292 KB Output is correct
15 Correct 45 ms 9196 KB Output is correct
16 Correct 44 ms 9196 KB Output is correct
17 Correct 53 ms 9292 KB Output is correct
18 Correct 64 ms 9204 KB Output is correct
19 Correct 46 ms 9204 KB Output is correct
20 Correct 44 ms 9204 KB Output is correct
21 Correct 45 ms 9292 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 336 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 360 KB Output is correct
14 Correct 2 ms 336 KB Output is correct
15 Correct 1 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 2 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 1 ms 360 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 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 324 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 328 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 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 2 ms 336 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 360 KB Output is correct
38 Correct 2 ms 336 KB Output is correct
39 Correct 1 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 2 ms 336 KB Output is correct
43 Correct 1 ms 336 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 1 ms 360 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 336 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 392 KB Output is correct
52 Correct 1 ms 344 KB Output is correct
53 Correct 2 ms 336 KB Output is correct
54 Correct 1 ms 388 KB Output is correct
55 Correct 1 ms 372 KB Output is correct
56 Correct 2 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 392 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 344 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 392 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 392 KB Output is correct
67 Correct 1 ms 336 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 1 ms 212 KB Output is correct
2 Correct 60 ms 9204 KB Output is correct
3 Correct 47 ms 9224 KB Output is correct
4 Correct 48 ms 9296 KB Output is correct
5 Correct 48 ms 9292 KB Output is correct
6 Correct 49 ms 9200 KB Output is correct
7 Correct 47 ms 9292 KB Output is correct
8 Correct 47 ms 9188 KB Output is correct
9 Correct 44 ms 9292 KB Output is correct
10 Correct 44 ms 9292 KB Output is correct
11 Correct 69 ms 9176 KB Output is correct
12 Correct 45 ms 9204 KB Output is correct
13 Correct 47 ms 9208 KB Output is correct
14 Correct 55 ms 9292 KB Output is correct
15 Correct 45 ms 9196 KB Output is correct
16 Correct 44 ms 9196 KB Output is correct
17 Correct 53 ms 9292 KB Output is correct
18 Correct 64 ms 9204 KB Output is correct
19 Correct 46 ms 9204 KB Output is correct
20 Correct 44 ms 9204 KB Output is correct
21 Correct 45 ms 9292 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 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 2 ms 336 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 360 KB Output is correct
35 Correct 2 ms 336 KB Output is correct
36 Correct 1 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 2 ms 336 KB Output is correct
40 Correct 1 ms 336 KB Output is correct
41 Correct 2 ms 340 KB Output is correct
42 Correct 1 ms 360 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 70 ms 9288 KB Output is correct
46 Correct 76 ms 9288 KB Output is correct
47 Correct 70 ms 9196 KB Output is correct
48 Correct 72 ms 9292 KB Output is correct
49 Correct 71 ms 9200 KB Output is correct
50 Correct 78 ms 9200 KB Output is correct
51 Correct 83 ms 9204 KB Output is correct
52 Correct 77 ms 9392 KB Output is correct
53 Correct 74 ms 9284 KB Output is correct
54 Correct 78 ms 9292 KB Output is correct
55 Correct 76 ms 9288 KB Output is correct
56 Correct 87 ms 9292 KB Output is correct
57 Correct 69 ms 9200 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 73 ms 9204 KB Output is correct
60 Correct 71 ms 9184 KB Output is correct
61 Correct 74 ms 9292 KB Output is correct
62 Correct 70 ms 9292 KB Output is correct
63 Correct 71 ms 9296 KB Output is correct
64 Correct 83 ms 9296 KB Output is correct
65 Correct 85 ms 9188 KB Output is correct

Subtask #8
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 324 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 55 ms 10256 KB Output is correct
27 Correct 53 ms 10216 KB Output is correct
28 Correct 49 ms 10228 KB Output is correct
29 Correct 48 ms 10216 KB Output is correct
30 Correct 47 ms 10224 KB Output is correct
31 Correct 51 ms 10208 KB Output is correct
32 Correct 54 ms 10244 KB Output is correct
33 Correct 50 ms 10224 KB Output is correct
34 Correct 51 ms 10228 KB Output is correct
35 Correct 50 ms 10224 KB Output is correct
36 Correct 55 ms 10188 KB Output is correct
37 Correct 49 ms 10232 KB Output is correct
38 Correct 52 ms 10312 KB Output is correct
39 Correct 50 ms 10232 KB Output is correct
40 Correct 49 ms 10220 KB Output is correct
41 Correct 50 ms 10216 KB Output is correct
42 Correct 65 ms 10236 KB Output is correct
43 Correct 51 ms 10248 KB Output is correct
44 Correct 53 ms 10216 KB Output is correct
45 Correct 51 ms 10248 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 60 ms 9204 KB Output is correct
48 Correct 47 ms 9224 KB Output is correct
49 Correct 48 ms 9296 KB Output is correct
50 Correct 48 ms 9292 KB Output is correct
51 Correct 49 ms 9200 KB Output is correct
52 Correct 47 ms 9292 KB Output is correct
53 Correct 47 ms 9188 KB Output is correct
54 Correct 44 ms 9292 KB Output is correct
55 Correct 44 ms 9292 KB Output is correct
56 Correct 69 ms 9176 KB Output is correct
57 Correct 45 ms 9204 KB Output is correct
58 Correct 47 ms 9208 KB Output is correct
59 Correct 55 ms 9292 KB Output is correct
60 Correct 45 ms 9196 KB Output is correct
61 Correct 44 ms 9196 KB Output is correct
62 Correct 53 ms 9292 KB Output is correct
63 Correct 64 ms 9204 KB Output is correct
64 Correct 46 ms 9204 KB Output is correct
65 Correct 44 ms 9204 KB Output is correct
66 Correct 45 ms 9292 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 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 2 ms 336 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 360 KB Output is correct
80 Correct 2 ms 336 KB Output is correct
81 Correct 1 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 2 ms 336 KB Output is correct
85 Correct 1 ms 336 KB Output is correct
86 Correct 2 ms 340 KB Output is correct
87 Correct 1 ms 360 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 1 ms 212 KB Output is correct
90 Correct 1 ms 336 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 392 KB Output is correct
94 Correct 1 ms 344 KB Output is correct
95 Correct 2 ms 336 KB Output is correct
96 Correct 1 ms 388 KB Output is correct
97 Correct 1 ms 372 KB Output is correct
98 Correct 2 ms 340 KB Output is correct
99 Correct 1 ms 340 KB Output is correct
100 Correct 1 ms 392 KB Output is correct
101 Correct 1 ms 340 KB Output is correct
102 Correct 1 ms 344 KB Output is correct
103 Correct 1 ms 212 KB Output is correct
104 Correct 1 ms 340 KB Output is correct
105 Correct 1 ms 392 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 392 KB Output is correct
109 Correct 1 ms 336 KB Output is correct
110 Correct 1 ms 340 KB Output is correct
111 Correct 1 ms 212 KB Output is correct
112 Correct 70 ms 9288 KB Output is correct
113 Correct 76 ms 9288 KB Output is correct
114 Correct 70 ms 9196 KB Output is correct
115 Correct 72 ms 9292 KB Output is correct
116 Correct 71 ms 9200 KB Output is correct
117 Correct 78 ms 9200 KB Output is correct
118 Correct 83 ms 9204 KB Output is correct
119 Correct 77 ms 9392 KB Output is correct
120 Correct 74 ms 9284 KB Output is correct
121 Correct 78 ms 9292 KB Output is correct
122 Correct 76 ms 9288 KB Output is correct
123 Correct 87 ms 9292 KB Output is correct
124 Correct 69 ms 9200 KB Output is correct
125 Correct 1 ms 212 KB Output is correct
126 Correct 73 ms 9204 KB Output is correct
127 Correct 71 ms 9184 KB Output is correct
128 Correct 74 ms 9292 KB Output is correct
129 Correct 70 ms 9292 KB Output is correct
130 Correct 71 ms 9296 KB Output is correct
131 Correct 83 ms 9296 KB Output is correct
132 Correct 85 ms 9188 KB Output is correct
133 Correct 1 ms 212 KB Output is correct
134 Correct 79 ms 10344 KB Output is correct
135 Correct 87 ms 10184 KB Output is correct
136 Correct 81 ms 10220 KB Output is correct
137 Correct 93 ms 10188 KB Output is correct
138 Correct 74 ms 10316 KB Output is correct
139 Correct 87 ms 10248 KB Output is correct
140 Correct 85 ms 10252 KB Output is correct
141 Correct 91 ms 10220 KB Output is correct
142 Correct 89 ms 10188 KB Output is correct
143 Correct 86 ms 10304 KB Output is correct
144 Correct 86 ms 10228 KB Output is correct
145 Correct 78 ms 10252 KB Output is correct
146 Correct 85 ms 10252 KB Output is correct
147 Correct 1 ms 212 KB Output is correct
148 Correct 76 ms 10188 KB Output is correct
149 Correct 78 ms 10192 KB Output is correct
150 Correct 83 ms 10248 KB Output is correct
151 Correct 85 ms 10248 KB Output is correct
152 Correct 87 ms 10228 KB Output is correct
153 Correct 76 ms 10256 KB Output is correct
154 Correct 76 ms 10256 KB Output is correct