oj.uz

Submission #20746

# Submission time Handle Problem Language Result Execution time Memory
20746 2017-02-15T08:03:27 Z ainu7 복불복 (OJUZ11_luck) C++11
100 / 100
 533 ms 2024 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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