답안 #20746 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20746	2017-02-15T08:03:27 Z	ainu7	복불복 (OJUZ11_luck)	C++11	100 / 100	533 ms	2024 KB

luck

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <vector>
#include <string>
#include <queue>
#include <map>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <sstream>
#include <set>
using namespace std;

const int mmod = 1000000007;

int calc(vector<int> a, vector<int> b, int k, int ue, int le) {
	int n = a.size();
	vector<int> cnt(n);

	for (int i=0; i<k; i++)
		for (int j=0; j<n; j++)
			if (a[i]+b[j] >= ue) cnt[i] = j+1;
	for (int i=k; i<n; i++)
		for (int j=0; j<n; j++)
			if (a[i]+b[j] > le) cnt[i] = j+1;

	vector<int> prv(n+1);
	prv[0] = 1;
	if (k % 2) prv[0] = -1;

	for (int i=n-1; i>=0; i--) {
		vector<int> nxt(n+1);
		for (int j=0; j<n; j++) {
			int mult = max(0, cnt[i] - j);
			nxt[j+1] = (nxt[j+1] - 1LL * mult * prv[j]) % mmod;
			if (i >= k) {
				nxt[j] = (nxt[j] + prv[j]) % mmod;
			}
		}
		for (int j=0; j<=n; j++)
			prv[j] = (nxt[j] + mmod) % mmod;
	}

	int ret = 0;
	for (int i=0; i<=n; i++) {
		int now = prv[i];
		for (int j=1; j<=n-i; j++)
			now = (now * 1LL * j) % mmod;
		ret = (ret + now) % mmod;
	}
	return ret;
}

int main()
{
	int n, k;
	cin >> n >> k;
	vector<int> a(n), b(n);
	for (int i=0; i<n; i++) cin >> a[i];
	for (int i=0; i<n; i++) cin >> b[i];

	sort(a.rbegin(), a.rend());
	sort(b.rbegin(), b.rend());

	int res = 0;
	for (int x = 1; x <= 2000; x++) {
		res += calc(a, b, k, x, x);
		res -= calc(a, b, k, x+1, x);
		res %= mmod;
		res = (res + mmod) % mmod;
	}
	cout << res << endl;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	2024 KB	Output is correct
2	Correct	6 ms	2024 KB	Output is correct
3	Correct	3 ms	2024 KB	Output is correct
4	Correct	6 ms	2024 KB	Output is correct
5	Correct	3 ms	2024 KB	Output is correct
6	Correct	3 ms	2024 KB	Output is correct
7	Correct	3 ms	2024 KB	Output is correct
8	Correct	3 ms	2024 KB	Output is correct
9	Correct	3 ms	2024 KB	Output is correct
10	Correct	3 ms	2024 KB	Output is correct
11	Correct	3 ms	2024 KB	Output is correct
12	Correct	0 ms	2024 KB	Output is correct
13	Correct	0 ms	2024 KB	Output is correct
14	Correct	0 ms	2024 KB	Output is correct
15	Correct	0 ms	2024 KB	Output is correct
16	Correct	3 ms	2024 KB	Output is correct
17	Correct	3 ms	2024 KB	Output is correct
18	Correct	3 ms	2024 KB	Output is correct
19	Correct	3 ms	2024 KB	Output is correct
20	Correct	3 ms	2024 KB	Output is correct
21	Correct	3 ms	2024 KB	Output is correct
22	Correct	3 ms	2024 KB	Output is correct

Subtask #2
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	526 ms	2024 KB	Output is correct
2	Correct	516 ms	2024 KB	Output is correct
3	Correct	509 ms	2024 KB	Output is correct
4	Correct	519 ms	2024 KB	Output is correct
5	Correct	509 ms	2024 KB	Output is correct
6	Correct	409 ms	2024 KB	Output is correct
7	Correct	513 ms	2024 KB	Output is correct
8	Correct	13 ms	2024 KB	Output is correct
9	Correct	19 ms	2024 KB	Output is correct
10	Correct	0 ms	2024 KB	Output is correct
11	Correct	0 ms	2024 KB	Output is correct
12	Correct	0 ms	2024 KB	Output is correct
13	Correct	0 ms	2024 KB	Output is correct
14	Correct	263 ms	2024 KB	Output is correct
15	Correct	93 ms	2024 KB	Output is correct
16	Correct	503 ms	2024 KB	Output is correct
17	Correct	516 ms	2024 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	2024 KB	Output is correct
2	Correct	6 ms	2024 KB	Output is correct
3	Correct	3 ms	2024 KB	Output is correct
4	Correct	6 ms	2024 KB	Output is correct
5	Correct	3 ms	2024 KB	Output is correct
6	Correct	3 ms	2024 KB	Output is correct
7	Correct	3 ms	2024 KB	Output is correct
8	Correct	3 ms	2024 KB	Output is correct
9	Correct	3 ms	2024 KB	Output is correct
10	Correct	3 ms	2024 KB	Output is correct
11	Correct	3 ms	2024 KB	Output is correct
12	Correct	0 ms	2024 KB	Output is correct
13	Correct	0 ms	2024 KB	Output is correct
14	Correct	0 ms	2024 KB	Output is correct
15	Correct	0 ms	2024 KB	Output is correct
16	Correct	3 ms	2024 KB	Output is correct
17	Correct	3 ms	2024 KB	Output is correct
18	Correct	3 ms	2024 KB	Output is correct
19	Correct	3 ms	2024 KB	Output is correct
20	Correct	3 ms	2024 KB	Output is correct
21	Correct	3 ms	2024 KB	Output is correct
22	Correct	3 ms	2024 KB	Output is correct
23	Correct	13 ms	2024 KB	Output is correct
24	Correct	9 ms	2024 KB	Output is correct
25	Correct	13 ms	2024 KB	Output is correct
26	Correct	13 ms	2024 KB	Output is correct
27	Correct	13 ms	2024 KB	Output is correct
28	Correct	13 ms	2024 KB	Output is correct
29	Correct	13 ms	2024 KB	Output is correct
30	Correct	9 ms	2024 KB	Output is correct
31	Correct	9 ms	2024 KB	Output is correct
32	Correct	13 ms	2024 KB	Output is correct
33	Correct	9 ms	2024 KB	Output is correct
34	Correct	9 ms	2024 KB	Output is correct
35	Correct	9 ms	2024 KB	Output is correct
36	Correct	9 ms	2024 KB	Output is correct
37	Correct	9 ms	2024 KB	Output is correct
38	Correct	9 ms	2024 KB	Output is correct
39	Correct	6 ms	2024 KB	Output is correct
40	Correct	13 ms	2024 KB	Output is correct
41	Correct	6 ms	2024 KB	Output is correct
42	Correct	3 ms	2024 KB	Output is correct
43	Correct	3 ms	2024 KB	Output is correct
44	Correct	13 ms	2024 KB	Output is correct
45	Correct	13 ms	2024 KB	Output is correct

Subtask #4
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	2024 KB	Output is correct
2	Correct	6 ms	2024 KB	Output is correct
3	Correct	3 ms	2024 KB	Output is correct
4	Correct	6 ms	2024 KB	Output is correct
5	Correct	3 ms	2024 KB	Output is correct
6	Correct	3 ms	2024 KB	Output is correct
7	Correct	3 ms	2024 KB	Output is correct
8	Correct	3 ms	2024 KB	Output is correct
9	Correct	3 ms	2024 KB	Output is correct
10	Correct	3 ms	2024 KB	Output is correct
11	Correct	3 ms	2024 KB	Output is correct
12	Correct	0 ms	2024 KB	Output is correct
13	Correct	0 ms	2024 KB	Output is correct
14	Correct	0 ms	2024 KB	Output is correct
15	Correct	0 ms	2024 KB	Output is correct
16	Correct	3 ms	2024 KB	Output is correct
17	Correct	3 ms	2024 KB	Output is correct
18	Correct	3 ms	2024 KB	Output is correct
19	Correct	3 ms	2024 KB	Output is correct
20	Correct	3 ms	2024 KB	Output is correct
21	Correct	3 ms	2024 KB	Output is correct
22	Correct	3 ms	2024 KB	Output is correct
23	Correct	526 ms	2024 KB	Output is correct
24	Correct	516 ms	2024 KB	Output is correct
25	Correct	509 ms	2024 KB	Output is correct
26	Correct	519 ms	2024 KB	Output is correct
27	Correct	509 ms	2024 KB	Output is correct
28	Correct	409 ms	2024 KB	Output is correct
29	Correct	513 ms	2024 KB	Output is correct
30	Correct	13 ms	2024 KB	Output is correct
31	Correct	19 ms	2024 KB	Output is correct
32	Correct	0 ms	2024 KB	Output is correct
33	Correct	0 ms	2024 KB	Output is correct
34	Correct	0 ms	2024 KB	Output is correct
35	Correct	0 ms	2024 KB	Output is correct
36	Correct	263 ms	2024 KB	Output is correct
37	Correct	93 ms	2024 KB	Output is correct
38	Correct	503 ms	2024 KB	Output is correct
39	Correct	516 ms	2024 KB	Output is correct
40	Correct	506 ms	2024 KB	Output is correct
41	Correct	526 ms	2024 KB	Output is correct
42	Correct	519 ms	2024 KB	Output is correct
43	Correct	523 ms	2024 KB	Output is correct
44	Correct	516 ms	2024 KB	Output is correct
45	Correct	513 ms	2024 KB	Output is correct
46	Correct	513 ms	2024 KB	Output is correct
47	Correct	506 ms	2024 KB	Output is correct
48	Correct	486 ms	2024 KB	Output is correct
49	Correct	493 ms	2024 KB	Output is correct
50	Correct	523 ms	2024 KB	Output is correct
51	Correct	509 ms	2024 KB	Output is correct
52	Correct	529 ms	2024 KB	Output is correct
53	Correct	509 ms	2024 KB	Output is correct
54	Correct	513 ms	2024 KB	Output is correct
55	Correct	129 ms	2024 KB	Output is correct
56	Correct	129 ms	2024 KB	Output is correct
57	Correct	346 ms	2024 KB	Output is correct
58	Correct	509 ms	2024 KB	Output is correct
59	Correct	533 ms	2024 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	2024 KB	Output is correct
2	Correct	6 ms	2024 KB	Output is correct
3	Correct	3 ms	2024 KB	Output is correct
4	Correct	6 ms	2024 KB	Output is correct
5	Correct	3 ms	2024 KB	Output is correct
6	Correct	3 ms	2024 KB	Output is correct
7	Correct	3 ms	2024 KB	Output is correct
8	Correct	3 ms	2024 KB	Output is correct
9	Correct	3 ms	2024 KB	Output is correct
10	Correct	3 ms	2024 KB	Output is correct
11	Correct	3 ms	2024 KB	Output is correct
12	Correct	0 ms	2024 KB	Output is correct
13	Correct	0 ms	2024 KB	Output is correct
14	Correct	0 ms	2024 KB	Output is correct
15	Correct	0 ms	2024 KB	Output is correct
16	Correct	3 ms	2024 KB	Output is correct
17	Correct	3 ms	2024 KB	Output is correct
18	Correct	3 ms	2024 KB	Output is correct
19	Correct	3 ms	2024 KB	Output is correct
20	Correct	3 ms	2024 KB	Output is correct
21	Correct	3 ms	2024 KB	Output is correct
22	Correct	3 ms	2024 KB	Output is correct
23	Correct	526 ms	2024 KB	Output is correct
24	Correct	516 ms	2024 KB	Output is correct
25	Correct	509 ms	2024 KB	Output is correct
26	Correct	519 ms	2024 KB	Output is correct
27	Correct	509 ms	2024 KB	Output is correct
28	Correct	409 ms	2024 KB	Output is correct
29	Correct	513 ms	2024 KB	Output is correct
30	Correct	13 ms	2024 KB	Output is correct
31	Correct	19 ms	2024 KB	Output is correct
32	Correct	0 ms	2024 KB	Output is correct
33	Correct	0 ms	2024 KB	Output is correct
34	Correct	0 ms	2024 KB	Output is correct
35	Correct	0 ms	2024 KB	Output is correct
36	Correct	263 ms	2024 KB	Output is correct
37	Correct	93 ms	2024 KB	Output is correct
38	Correct	503 ms	2024 KB	Output is correct
39	Correct	516 ms	2024 KB	Output is correct
40	Correct	13 ms	2024 KB	Output is correct
41	Correct	9 ms	2024 KB	Output is correct
42	Correct	13 ms	2024 KB	Output is correct
43	Correct	13 ms	2024 KB	Output is correct
44	Correct	13 ms	2024 KB	Output is correct
45	Correct	13 ms	2024 KB	Output is correct
46	Correct	13 ms	2024 KB	Output is correct
47	Correct	9 ms	2024 KB	Output is correct
48	Correct	9 ms	2024 KB	Output is correct
49	Correct	13 ms	2024 KB	Output is correct
50	Correct	9 ms	2024 KB	Output is correct
51	Correct	9 ms	2024 KB	Output is correct
52	Correct	9 ms	2024 KB	Output is correct
53	Correct	9 ms	2024 KB	Output is correct
54	Correct	9 ms	2024 KB	Output is correct
55	Correct	9 ms	2024 KB	Output is correct
56	Correct	6 ms	2024 KB	Output is correct
57	Correct	13 ms	2024 KB	Output is correct
58	Correct	6 ms	2024 KB	Output is correct
59	Correct	3 ms	2024 KB	Output is correct
60	Correct	3 ms	2024 KB	Output is correct
61	Correct	13 ms	2024 KB	Output is correct
62	Correct	13 ms	2024 KB	Output is correct
63	Correct	506 ms	2024 KB	Output is correct
64	Correct	526 ms	2024 KB	Output is correct
65	Correct	519 ms	2024 KB	Output is correct
66	Correct	523 ms	2024 KB	Output is correct
67	Correct	516 ms	2024 KB	Output is correct
68	Correct	513 ms	2024 KB	Output is correct
69	Correct	513 ms	2024 KB	Output is correct
70	Correct	506 ms	2024 KB	Output is correct
71	Correct	486 ms	2024 KB	Output is correct
72	Correct	493 ms	2024 KB	Output is correct
73	Correct	523 ms	2024 KB	Output is correct
74	Correct	509 ms	2024 KB	Output is correct
75	Correct	529 ms	2024 KB	Output is correct
76	Correct	509 ms	2024 KB	Output is correct
77	Correct	513 ms	2024 KB	Output is correct
78	Correct	129 ms	2024 KB	Output is correct
79	Correct	129 ms	2024 KB	Output is correct
80	Correct	346 ms	2024 KB	Output is correct
81	Correct	509 ms	2024 KB	Output is correct
82	Correct	533 ms	2024 KB	Output is correct
83	Correct	439 ms	2024 KB	Output is correct
84	Correct	276 ms	2024 KB	Output is correct
85	Correct	439 ms	2024 KB	Output is correct
86	Correct	436 ms	2024 KB	Output is correct
87	Correct	443 ms	2024 KB	Output is correct
88	Correct	453 ms	2024 KB	Output is correct
89	Correct	443 ms	2024 KB	Output is correct
90	Correct	513 ms	2024 KB	Output is correct
91	Correct	503 ms	2024 KB	Output is correct
92	Correct	13 ms	2024 KB	Output is correct
93	Correct	496 ms	2024 KB	Output is correct
94	Correct	483 ms	2024 KB	Output is correct
95	Correct	476 ms	2024 KB	Output is correct
96	Correct	463 ms	2024 KB	Output is correct
97	Correct	483 ms	2024 KB	Output is correct
98	Correct	479 ms	2024 KB	Output is correct
99	Correct	13 ms	2024 KB	Output is correct
100	Correct	139 ms	2024 KB	Output is correct
101	Correct	496 ms	2024 KB	Output is correct
102	Correct	479 ms	2024 KB	Output is correct
103	Correct	473 ms	2024 KB	Output is correct
104	Correct	446 ms	2024 KB	Output is correct
105	Correct	469 ms	2024 KB	Output is correct
106	Correct	356 ms	2024 KB	Output is correct
107	Correct	493 ms	2024 KB	Output is correct

답안 #20746

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 13.0 / 13.0

Subtask #3 25.0 / 25.0

Subtask #4 26.0 / 26.0

Subtask #5 27.0 / 27.0

Subtask #1
9.0 / 9.0

Subtask #2
13.0 / 13.0

Subtask #3
25.0 / 25.0

Subtask #4
26.0 / 26.0

Subtask #5
27.0 / 27.0