답안 #739899

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
739899	2023-05-11T14:27:11 Z	MODDI	Cryptography (NOI20_crypto)	C++14	100 / 100	855 ms	43220 KB

Crypto

#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
  
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair<int,int> pii;
typedef vector<long long> vl;
typedef vector<int> vi;
int n;
vl arr, p;
const int mod = 1e9 + 7;
ll power[300100];
int main(){
	cin>>n;
	arr.resize(n);
	for(int i = 0; i < n; i++){
		cin>>arr[i];
		p.pb(arr[i]);
	}
	memset(power, 0, sizeof power);
	power[1] = 1;
	for(int i =2; i < n; i++){
		power[i] = i * power[i-1];
		power[i] %= mod;
	}
	sort(p.begin(), p.end());
	map<ll, ll> lower;
	for(int i = 0; i < n; i++)
		lower[p[i]] = i;
		
	int ele = n - 1;
	ll ans = 0;
	ordered_set o_set;
	for(int i = 0; i < n; i++){
		ll here = lower[arr[i]] - o_set.order_of_key(arr[i]);
//		cout<<here<<" "; 
//		cout<<here<<" "<<power[ele]<<" "<<ele<<endl;
		ans += (here * power[ele]) % mod;
		ans %= mod;
		ele--;
		o_set.insert(arr[i]);
	}
//	cout<<endl;
	cout<<(ans+1)%mod<<endl;
	return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct

Subtask #2
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	2 ms	2644 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	1 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	1 ms	2644 KB	Output is correct
13	Correct	1 ms	2644 KB	Output is correct
14	Correct	1 ms	2644 KB	Output is correct
15	Correct	1 ms	2644 KB	Output is correct
16	Correct	1 ms	2644 KB	Output is correct
17	Correct	1 ms	2644 KB	Output is correct
18	Correct	1 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	1 ms	2644 KB	Output is correct
21	Correct	1 ms	2644 KB	Output is correct
22	Correct	1 ms	2644 KB	Output is correct
23	Correct	1 ms	2644 KB	Output is correct
24	Correct	1 ms	2644 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	387 ms	40240 KB	Output is correct
3	Correct	381 ms	43172 KB	Output is correct
4	Correct	386 ms	43188 KB	Output is correct
5	Correct	387 ms	43144 KB	Output is correct
6	Correct	380 ms	43072 KB	Output is correct
7	Correct	409 ms	43132 KB	Output is correct
8	Correct	410 ms	43064 KB	Output is correct
9	Correct	403 ms	43220 KB	Output is correct
10	Correct	403 ms	43052 KB	Output is correct
11	Correct	406 ms	43164 KB	Output is correct
12	Correct	390 ms	43068 KB	Output is correct
13	Correct	394 ms	43036 KB	Output is correct
14	Correct	409 ms	43088 KB	Output is correct
15	Correct	423 ms	43064 KB	Output is correct
16	Correct	412 ms	43200 KB	Output is correct
17	Correct	420 ms	43032 KB	Output is correct
18	Correct	424 ms	43124 KB	Output is correct
19	Correct	403 ms	43136 KB	Output is correct
20	Correct	425 ms	43028 KB	Output is correct
21	Correct	410 ms	43080 KB	Output is correct

Subtask #4
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	394 ms	40260 KB	Output is correct
3	Correct	427 ms	42128 KB	Output is correct
4	Correct	397 ms	42180 KB	Output is correct
5	Correct	404 ms	42092 KB	Output is correct
6	Correct	417 ms	42108 KB	Output is correct
7	Correct	439 ms	42136 KB	Output is correct
8	Correct	384 ms	42136 KB	Output is correct
9	Correct	430 ms	42084 KB	Output is correct
10	Correct	402 ms	42176 KB	Output is correct
11	Correct	423 ms	42236 KB	Output is correct
12	Correct	440 ms	42056 KB	Output is correct
13	Correct	414 ms	42280 KB	Output is correct
14	Correct	423 ms	42228 KB	Output is correct
15	Correct	400 ms	42096 KB	Output is correct
16	Correct	417 ms	42156 KB	Output is correct
17	Correct	411 ms	42248 KB	Output is correct
18	Correct	424 ms	42164 KB	Output is correct
19	Correct	440 ms	42152 KB	Output is correct
20	Correct	448 ms	42156 KB	Output is correct
21	Correct	416 ms	42096 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	4 ms	3028 KB	Output is correct
3	Correct	4 ms	3008 KB	Output is correct
4	Correct	4 ms	3028 KB	Output is correct
5	Correct	4 ms	3004 KB	Output is correct
6	Correct	4 ms	3028 KB	Output is correct
7	Correct	5 ms	3040 KB	Output is correct
8	Correct	4 ms	3008 KB	Output is correct
9	Correct	4 ms	3012 KB	Output is correct
10	Correct	4 ms	3028 KB	Output is correct
11	Correct	4 ms	3028 KB	Output is correct
12	Correct	4 ms	3028 KB	Output is correct
13	Correct	4 ms	3028 KB	Output is correct
14	Correct	4 ms	3028 KB	Output is correct
15	Correct	1 ms	2644 KB	Output is correct
16	Correct	4 ms	3028 KB	Output is correct
17	Correct	4 ms	3028 KB	Output is correct
18	Correct	4 ms	3028 KB	Output is correct
19	Correct	4 ms	3028 KB	Output is correct
20	Correct	5 ms	3004 KB	Output is correct
21	Correct	4 ms	3028 KB	Output is correct
22	Correct	3 ms	3028 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	2 ms	2644 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	1 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	1 ms	2644 KB	Output is correct
13	Correct	1 ms	2644 KB	Output is correct
14	Correct	1 ms	2644 KB	Output is correct
15	Correct	1 ms	2644 KB	Output is correct
16	Correct	1 ms	2644 KB	Output is correct
17	Correct	1 ms	2644 KB	Output is correct
18	Correct	1 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	1 ms	2644 KB	Output is correct
21	Correct	1 ms	2644 KB	Output is correct
22	Correct	1 ms	2644 KB	Output is correct
23	Correct	1 ms	2644 KB	Output is correct
24	Correct	1 ms	2644 KB	Output is correct
25	Correct	1 ms	2644 KB	Output is correct
26	Correct	4 ms	3028 KB	Output is correct
27	Correct	4 ms	3008 KB	Output is correct
28	Correct	4 ms	3028 KB	Output is correct
29	Correct	4 ms	3004 KB	Output is correct
30	Correct	4 ms	3028 KB	Output is correct
31	Correct	5 ms	3040 KB	Output is correct
32	Correct	4 ms	3008 KB	Output is correct
33	Correct	4 ms	3012 KB	Output is correct
34	Correct	4 ms	3028 KB	Output is correct
35	Correct	4 ms	3028 KB	Output is correct
36	Correct	4 ms	3028 KB	Output is correct
37	Correct	4 ms	3028 KB	Output is correct
38	Correct	4 ms	3028 KB	Output is correct
39	Correct	1 ms	2644 KB	Output is correct
40	Correct	4 ms	3028 KB	Output is correct
41	Correct	4 ms	3028 KB	Output is correct
42	Correct	4 ms	3028 KB	Output is correct
43	Correct	4 ms	3028 KB	Output is correct
44	Correct	5 ms	3004 KB	Output is correct
45	Correct	4 ms	3028 KB	Output is correct
46	Correct	3 ms	3028 KB	Output is correct
47	Correct	1 ms	2644 KB	Output is correct
48	Correct	4 ms	3028 KB	Output is correct
49	Correct	4 ms	3028 KB	Output is correct
50	Correct	4 ms	3028 KB	Output is correct
51	Correct	4 ms	3028 KB	Output is correct
52	Correct	4 ms	3028 KB	Output is correct
53	Correct	4 ms	3008 KB	Output is correct
54	Correct	4 ms	3028 KB	Output is correct
55	Correct	4 ms	3028 KB	Output is correct
56	Correct	4 ms	3028 KB	Output is correct
57	Correct	4 ms	3028 KB	Output is correct
58	Correct	4 ms	3004 KB	Output is correct
59	Correct	4 ms	3028 KB	Output is correct
60	Correct	4 ms	2960 KB	Output is correct
61	Correct	2 ms	2644 KB	Output is correct
62	Correct	5 ms	3044 KB	Output is correct
63	Correct	5 ms	3028 KB	Output is correct
64	Correct	4 ms	3004 KB	Output is correct
65	Correct	4 ms	3028 KB	Output is correct
66	Correct	5 ms	3156 KB	Output is correct
67	Correct	4 ms	2948 KB	Output is correct
68	Correct	4 ms	3012 KB	Output is correct

Subtask #7
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	394 ms	40260 KB	Output is correct
3	Correct	427 ms	42128 KB	Output is correct
4	Correct	397 ms	42180 KB	Output is correct
5	Correct	404 ms	42092 KB	Output is correct
6	Correct	417 ms	42108 KB	Output is correct
7	Correct	439 ms	42136 KB	Output is correct
8	Correct	384 ms	42136 KB	Output is correct
9	Correct	430 ms	42084 KB	Output is correct
10	Correct	402 ms	42176 KB	Output is correct
11	Correct	423 ms	42236 KB	Output is correct
12	Correct	440 ms	42056 KB	Output is correct
13	Correct	414 ms	42280 KB	Output is correct
14	Correct	423 ms	42228 KB	Output is correct
15	Correct	400 ms	42096 KB	Output is correct
16	Correct	417 ms	42156 KB	Output is correct
17	Correct	411 ms	42248 KB	Output is correct
18	Correct	424 ms	42164 KB	Output is correct
19	Correct	440 ms	42152 KB	Output is correct
20	Correct	448 ms	42156 KB	Output is correct
21	Correct	416 ms	42096 KB	Output is correct
22	Correct	1 ms	2644 KB	Output is correct
23	Correct	4 ms	3028 KB	Output is correct
24	Correct	4 ms	3008 KB	Output is correct
25	Correct	4 ms	3028 KB	Output is correct
26	Correct	4 ms	3004 KB	Output is correct
27	Correct	4 ms	3028 KB	Output is correct
28	Correct	5 ms	3040 KB	Output is correct
29	Correct	4 ms	3008 KB	Output is correct
30	Correct	4 ms	3012 KB	Output is correct
31	Correct	4 ms	3028 KB	Output is correct
32	Correct	4 ms	3028 KB	Output is correct
33	Correct	4 ms	3028 KB	Output is correct
34	Correct	4 ms	3028 KB	Output is correct
35	Correct	4 ms	3028 KB	Output is correct
36	Correct	1 ms	2644 KB	Output is correct
37	Correct	4 ms	3028 KB	Output is correct
38	Correct	4 ms	3028 KB	Output is correct
39	Correct	4 ms	3028 KB	Output is correct
40	Correct	4 ms	3028 KB	Output is correct
41	Correct	5 ms	3004 KB	Output is correct
42	Correct	4 ms	3028 KB	Output is correct
43	Correct	3 ms	3028 KB	Output is correct
44	Correct	1 ms	2644 KB	Output is correct
45	Correct	697 ms	42060 KB	Output is correct
46	Correct	731 ms	42076 KB	Output is correct
47	Correct	720 ms	42168 KB	Output is correct
48	Correct	855 ms	42308 KB	Output is correct
49	Correct	737 ms	42148 KB	Output is correct
50	Correct	722 ms	42192 KB	Output is correct
51	Correct	723 ms	42164 KB	Output is correct
52	Correct	734 ms	42284 KB	Output is correct
53	Correct	760 ms	42180 KB	Output is correct
54	Correct	706 ms	42144 KB	Output is correct
55	Correct	746 ms	42208 KB	Output is correct
56	Correct	734 ms	42164 KB	Output is correct
57	Correct	799 ms	42204 KB	Output is correct
58	Correct	2 ms	2644 KB	Output is correct
59	Correct	694 ms	42160 KB	Output is correct
60	Correct	755 ms	42256 KB	Output is correct
61	Correct	815 ms	42164 KB	Output is correct
62	Correct	791 ms	42192 KB	Output is correct
63	Correct	703 ms	42188 KB	Output is correct
64	Correct	733 ms	42184 KB	Output is correct
65	Correct	757 ms	42296 KB	Output is correct

Subtask #8
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	2 ms	2644 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	1 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	1 ms	2644 KB	Output is correct
13	Correct	1 ms	2644 KB	Output is correct
14	Correct	1 ms	2644 KB	Output is correct
15	Correct	1 ms	2644 KB	Output is correct
16	Correct	1 ms	2644 KB	Output is correct
17	Correct	1 ms	2644 KB	Output is correct
18	Correct	1 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	1 ms	2644 KB	Output is correct
21	Correct	1 ms	2644 KB	Output is correct
22	Correct	1 ms	2644 KB	Output is correct
23	Correct	1 ms	2644 KB	Output is correct
24	Correct	1 ms	2644 KB	Output is correct
25	Correct	1 ms	2644 KB	Output is correct
26	Correct	387 ms	40240 KB	Output is correct
27	Correct	381 ms	43172 KB	Output is correct
28	Correct	386 ms	43188 KB	Output is correct
29	Correct	387 ms	43144 KB	Output is correct
30	Correct	380 ms	43072 KB	Output is correct
31	Correct	409 ms	43132 KB	Output is correct
32	Correct	410 ms	43064 KB	Output is correct
33	Correct	403 ms	43220 KB	Output is correct
34	Correct	403 ms	43052 KB	Output is correct
35	Correct	406 ms	43164 KB	Output is correct
36	Correct	390 ms	43068 KB	Output is correct
37	Correct	394 ms	43036 KB	Output is correct
38	Correct	409 ms	43088 KB	Output is correct
39	Correct	423 ms	43064 KB	Output is correct
40	Correct	412 ms	43200 KB	Output is correct
41	Correct	420 ms	43032 KB	Output is correct
42	Correct	424 ms	43124 KB	Output is correct
43	Correct	403 ms	43136 KB	Output is correct
44	Correct	425 ms	43028 KB	Output is correct
45	Correct	410 ms	43080 KB	Output is correct
46	Correct	1 ms	2644 KB	Output is correct
47	Correct	394 ms	40260 KB	Output is correct
48	Correct	427 ms	42128 KB	Output is correct
49	Correct	397 ms	42180 KB	Output is correct
50	Correct	404 ms	42092 KB	Output is correct
51	Correct	417 ms	42108 KB	Output is correct
52	Correct	439 ms	42136 KB	Output is correct
53	Correct	384 ms	42136 KB	Output is correct
54	Correct	430 ms	42084 KB	Output is correct
55	Correct	402 ms	42176 KB	Output is correct
56	Correct	423 ms	42236 KB	Output is correct
57	Correct	440 ms	42056 KB	Output is correct
58	Correct	414 ms	42280 KB	Output is correct
59	Correct	423 ms	42228 KB	Output is correct
60	Correct	400 ms	42096 KB	Output is correct
61	Correct	417 ms	42156 KB	Output is correct
62	Correct	411 ms	42248 KB	Output is correct
63	Correct	424 ms	42164 KB	Output is correct
64	Correct	440 ms	42152 KB	Output is correct
65	Correct	448 ms	42156 KB	Output is correct
66	Correct	416 ms	42096 KB	Output is correct
67	Correct	1 ms	2644 KB	Output is correct
68	Correct	4 ms	3028 KB	Output is correct
69	Correct	4 ms	3008 KB	Output is correct
70	Correct	4 ms	3028 KB	Output is correct
71	Correct	4 ms	3004 KB	Output is correct
72	Correct	4 ms	3028 KB	Output is correct
73	Correct	5 ms	3040 KB	Output is correct
74	Correct	4 ms	3008 KB	Output is correct
75	Correct	4 ms	3012 KB	Output is correct
76	Correct	4 ms	3028 KB	Output is correct
77	Correct	4 ms	3028 KB	Output is correct
78	Correct	4 ms	3028 KB	Output is correct
79	Correct	4 ms	3028 KB	Output is correct
80	Correct	4 ms	3028 KB	Output is correct
81	Correct	1 ms	2644 KB	Output is correct
82	Correct	4 ms	3028 KB	Output is correct
83	Correct	4 ms	3028 KB	Output is correct
84	Correct	4 ms	3028 KB	Output is correct
85	Correct	4 ms	3028 KB	Output is correct
86	Correct	5 ms	3004 KB	Output is correct
87	Correct	4 ms	3028 KB	Output is correct
88	Correct	3 ms	3028 KB	Output is correct
89	Correct	1 ms	2644 KB	Output is correct
90	Correct	4 ms	3028 KB	Output is correct
91	Correct	4 ms	3028 KB	Output is correct
92	Correct	4 ms	3028 KB	Output is correct
93	Correct	4 ms	3028 KB	Output is correct
94	Correct	4 ms	3028 KB	Output is correct
95	Correct	4 ms	3008 KB	Output is correct
96	Correct	4 ms	3028 KB	Output is correct
97	Correct	4 ms	3028 KB	Output is correct
98	Correct	4 ms	3028 KB	Output is correct
99	Correct	4 ms	3028 KB	Output is correct
100	Correct	4 ms	3004 KB	Output is correct
101	Correct	4 ms	3028 KB	Output is correct
102	Correct	4 ms	2960 KB	Output is correct
103	Correct	2 ms	2644 KB	Output is correct
104	Correct	5 ms	3044 KB	Output is correct
105	Correct	5 ms	3028 KB	Output is correct
106	Correct	4 ms	3004 KB	Output is correct
107	Correct	4 ms	3028 KB	Output is correct
108	Correct	5 ms	3156 KB	Output is correct
109	Correct	4 ms	2948 KB	Output is correct
110	Correct	4 ms	3012 KB	Output is correct
111	Correct	1 ms	2644 KB	Output is correct
112	Correct	697 ms	42060 KB	Output is correct
113	Correct	731 ms	42076 KB	Output is correct
114	Correct	720 ms	42168 KB	Output is correct
115	Correct	855 ms	42308 KB	Output is correct
116	Correct	737 ms	42148 KB	Output is correct
117	Correct	722 ms	42192 KB	Output is correct
118	Correct	723 ms	42164 KB	Output is correct
119	Correct	734 ms	42284 KB	Output is correct
120	Correct	760 ms	42180 KB	Output is correct
121	Correct	706 ms	42144 KB	Output is correct
122	Correct	746 ms	42208 KB	Output is correct
123	Correct	734 ms	42164 KB	Output is correct
124	Correct	799 ms	42204 KB	Output is correct
125	Correct	2 ms	2644 KB	Output is correct
126	Correct	694 ms	42160 KB	Output is correct
127	Correct	755 ms	42256 KB	Output is correct
128	Correct	815 ms	42164 KB	Output is correct
129	Correct	791 ms	42192 KB	Output is correct
130	Correct	703 ms	42188 KB	Output is correct
131	Correct	733 ms	42184 KB	Output is correct
132	Correct	757 ms	42296 KB	Output is correct
133	Correct	2 ms	2644 KB	Output is correct
134	Correct	778 ms	43116 KB	Output is correct
135	Correct	765 ms	43112 KB	Output is correct
136	Correct	738 ms	43012 KB	Output is correct
137	Correct	760 ms	43016 KB	Output is correct
138	Correct	767 ms	43148 KB	Output is correct
139	Correct	757 ms	43140 KB	Output is correct
140	Correct	696 ms	43088 KB	Output is correct
141	Correct	780 ms	43204 KB	Output is correct
142	Correct	709 ms	43152 KB	Output is correct
143	Correct	733 ms	43080 KB	Output is correct
144	Correct	735 ms	43052 KB	Output is correct
145	Correct	713 ms	43172 KB	Output is correct
146	Correct	713 ms	43100 KB	Output is correct
147	Correct	2 ms	2644 KB	Output is correct
148	Correct	709 ms	43204 KB	Output is correct
149	Correct	709 ms	43068 KB	Output is correct
150	Correct	802 ms	43108 KB	Output is correct
151	Correct	792 ms	43056 KB	Output is correct
152	Correct	756 ms	43124 KB	Output is correct
153	Correct	818 ms	43080 KB	Output is correct
154	Correct	783 ms	43012 KB	Output is correct

답안 #739899

Compilation message