oj.uz

Submission #20753

# Submission time Handle Problem Language Result Execution time Memory
20753 2017-02-15T19:34:30 Z gs12117 복불복 (OJUZ11_luck) C++11
100 / 100
 209 ms 1124 KB 
#include<cstdio>
#include<algorithm>
const int mod = 1000000007;
int a[110];
int b[110];
int c[110];
int d[110];
long long int dp[110];
long long int ndp[110];
long long int calc(int n, int m, int x) {
	int p = 0;
	int q = m;
	dp[0] = 1;
	for (int i = 0; i < n; i++) {
		while (p < m&&c[p] + d[n - i - 1] < x) {
			p++;
			dp[p] = 0;
		}
		while (q < n&&c[q] + d[n - i - 1] < x) {
			for (int j = 0; j <= p; j++) {
				dp[j] *= i - j - q + m;
				dp[j] %= mod;
			}
			q++;
		}
		for (int j = 0; j <= p; j++) {
			ndp[j] = dp[j];
		}
		for (int j = 0; j < p; j++) {
			ndp[j + 1] += dp[j] * (p - j);
		}
		for (int j = 0; j <= p; j++) {
			dp[j] = ndp[j] % mod;
		}
	}
	while (p < m) {
		p++;
		dp[p] = 0;
	}
	while (q < n) {
		for (int j = 0; j <= p; j++) {
			dp[j] *= n - j - q + m;
			dp[j] %= mod;
		}
		q++;
	}
	return dp[m];
}
int main() {
	int n, m;
	scanf("%d%d", &n, &m);
	for (int i = 0; i < n; i++) {
		scanf("%d", &a[i]);
	}
	for (int i = 0; i < n; i++) {
		scanf("%d", &b[i]);
	}
	std::sort(a, a + n);
	std::sort(b, b + n);
	m = n - m;
	for (int i = 0; i < n; i++) {
		a[i] *= n;
		a[i] += i;
		b[i] *= n;
	}
	long long int ans = 0;
	for (int i = 0; i < m; i++) {
		for (int j = 0; j < n; j++) {
			int x = a[i] + b[j];
			int cn = 0;
			int dn = 0;
			for (int k = 0; k < n; k++) {
				if (k != i) {
					c[cn] = a[k];
					cn++;
				}
				if (k != j) {
					d[dn] = b[k];
					dn++;
				}
			}
			ans += calc(n - 1, m - 1, x);
			ans %= mod;
		}
	}
	if (m == 0) {
		ans = 1;
		for (int i = 1; i <= n; i++) {
			ans *= i;
			ans %= mod;
		}
	}
	printf("%lld", ans);
	return 0;
}

Compilation message

luck.cpp: In function 'int main()':
luck.cpp:51:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
                       ^
luck.cpp:53:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
                     ^
luck.cpp:56:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &b[i]);
                     ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1124 KB Output is correct
2 Correct 0 ms 1124 KB Output is correct
3 Correct 0 ms 1124 KB Output is correct
4 Correct 0 ms 1124 KB Output is correct
5 Correct 0 ms 1124 KB Output is correct
6 Correct 0 ms 1124 KB Output is correct
7 Correct 0 ms 1124 KB Output is correct
8 Correct 0 ms 1124 KB Output is correct
9 Correct 0 ms 1124 KB Output is correct
10 Correct 0 ms 1124 KB Output is correct
11 Correct 0 ms 1124 KB Output is correct
12 Correct 0 ms 1124 KB Output is correct
13 Correct 0 ms 1124 KB Output is correct
14 Correct 0 ms 1124 KB Output is correct
15 Correct 0 ms 1124 KB Output is correct
16 Correct 0 ms 1124 KB Output is correct
17 Correct 0 ms 1124 KB Output is correct
18 Correct 0 ms 1124 KB Output is correct
19 Correct 0 ms 1124 KB Output is correct
20 Correct 0 ms 1124 KB Output is correct
21 Correct 0 ms 1124 KB Output is correct
22 Correct 0 ms 1124 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 183 ms 1124 KB Output is correct
2 Correct 176 ms 1124 KB Output is correct
3 Correct 179 ms 1124 KB Output is correct
4 Correct 183 ms 1124 KB Output is correct
5 Correct 183 ms 1124 KB Output is correct
6 Correct 116 ms 1124 KB Output is correct
7 Correct 176 ms 1124 KB Output is correct
8 Correct 0 ms 1124 KB Output is correct
9 Correct 0 ms 1124 KB Output is correct
10 Correct 0 ms 1124 KB Output is correct
11 Correct 0 ms 1124 KB Output is correct
12 Correct 0 ms 1124 KB Output is correct
13 Correct 0 ms 1124 KB Output is correct
14 Correct 46 ms 1124 KB Output is correct
15 Correct 3 ms 1124 KB Output is correct
16 Correct 176 ms 1124 KB Output is correct
17 Correct 209 ms 1124 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1124 KB Output is correct
2 Correct 0 ms 1124 KB Output is correct
3 Correct 0 ms 1124 KB Output is correct
4 Correct 0 ms 1124 KB Output is correct
5 Correct 0 ms 1124 KB Output is correct
6 Correct 0 ms 1124 KB Output is correct
7 Correct 0 ms 1124 KB Output is correct
8 Correct 0 ms 1124 KB Output is correct
9 Correct 0 ms 1124 KB Output is correct
10 Correct 0 ms 1124 KB Output is correct
11 Correct 0 ms 1124 KB Output is correct
12 Correct 0 ms 1124 KB Output is correct
13 Correct 0 ms 1124 KB Output is correct
14 Correct 0 ms 1124 KB Output is correct
15 Correct 0 ms 1124 KB Output is correct
16 Correct 0 ms 1124 KB Output is correct
17 Correct 0 ms 1124 KB Output is correct
18 Correct 0 ms 1124 KB Output is correct
19 Correct 0 ms 1124 KB Output is correct
20 Correct 0 ms 1124 KB Output is correct
21 Correct 0 ms 1124 KB Output is correct
22 Correct 0 ms 1124 KB Output is correct
23 Correct 0 ms 1124 KB Output is correct
24 Correct 0 ms 1124 KB Output is correct
25 Correct 0 ms 1124 KB Output is correct
26 Correct 0 ms 1124 KB Output is correct
27 Correct 0 ms 1124 KB Output is correct
28 Correct 0 ms 1124 KB Output is correct
29 Correct 0 ms 1124 KB Output is correct
30 Correct 0 ms 1124 KB Output is correct
31 Correct 0 ms 1124 KB Output is correct
32 Correct 0 ms 1124 KB Output is correct
33 Correct 0 ms 1124 KB Output is correct
34 Correct 0 ms 1124 KB Output is correct
35 Correct 0 ms 1124 KB Output is correct
36 Correct 0 ms 1124 KB Output is correct
37 Correct 0 ms 1124 KB Output is correct
38 Correct 0 ms 1124 KB Output is correct
39 Correct 0 ms 1124 KB Output is correct
40 Correct 0 ms 1124 KB Output is correct
41 Correct 0 ms 1124 KB Output is correct
42 Correct 0 ms 1124 KB Output is correct
43 Correct 0 ms 1124 KB Output is correct
44 Correct 0 ms 1124 KB Output is correct
45 Correct 0 ms 1124 KB Output is correct

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1124 KB Output is correct
2 Correct 0 ms 1124 KB Output is correct
3 Correct 0 ms 1124 KB Output is correct
4 Correct 0 ms 1124 KB Output is correct
5 Correct 0 ms 1124 KB Output is correct
6 Correct 0 ms 1124 KB Output is correct
7 Correct 0 ms 1124 KB Output is correct
8 Correct 0 ms 1124 KB Output is correct
9 Correct 0 ms 1124 KB Output is correct
10 Correct 0 ms 1124 KB Output is correct
11 Correct 0 ms 1124 KB Output is correct
12 Correct 0 ms 1124 KB Output is correct
13 Correct 0 ms 1124 KB Output is correct
14 Correct 0 ms 1124 KB Output is correct
15 Correct 0 ms 1124 KB Output is correct
16 Correct 0 ms 1124 KB Output is correct
17 Correct 0 ms 1124 KB Output is correct
18 Correct 0 ms 1124 KB Output is correct
19 Correct 0 ms 1124 KB Output is correct
20 Correct 0 ms 1124 KB Output is correct
21 Correct 0 ms 1124 KB Output is correct
22 Correct 0 ms 1124 KB Output is correct
23 Correct 183 ms 1124 KB Output is correct
24 Correct 176 ms 1124 KB Output is correct
25 Correct 179 ms 1124 KB Output is correct
26 Correct 183 ms 1124 KB Output is correct
27 Correct 183 ms 1124 KB Output is correct
28 Correct 116 ms 1124 KB Output is correct
29 Correct 176 ms 1124 KB Output is correct
30 Correct 0 ms 1124 KB Output is correct
31 Correct 0 ms 1124 KB Output is correct
32 Correct 0 ms 1124 KB Output is correct
33 Correct 0 ms 1124 KB Output is correct
34 Correct 0 ms 1124 KB Output is correct
35 Correct 0 ms 1124 KB Output is correct
36 Correct 46 ms 1124 KB Output is correct
37 Correct 3 ms 1124 KB Output is correct
38 Correct 176 ms 1124 KB Output is correct
39 Correct 209 ms 1124 KB Output is correct
40 Correct 169 ms 1124 KB Output is correct
41 Correct 163 ms 1124 KB Output is correct
42 Correct 166 ms 1124 KB Output is correct
43 Correct 173 ms 1124 KB Output is correct
44 Correct 163 ms 1124 KB Output is correct
45 Correct 166 ms 1124 KB Output is correct
46 Correct 166 ms 1124 KB Output is correct
47 Correct 176 ms 1124 KB Output is correct
48 Correct 156 ms 1124 KB Output is correct
49 Correct 159 ms 1124 KB Output is correct
50 Correct 176 ms 1124 KB Output is correct
51 Correct 179 ms 1124 KB Output is correct
52 Correct 179 ms 1124 KB Output is correct
53 Correct 173 ms 1124 KB Output is correct
54 Correct 166 ms 1124 KB Output is correct
55 Correct 9 ms 1124 KB Output is correct
56 Correct 9 ms 1124 KB Output is correct
57 Correct 73 ms 1124 KB Output is correct
58 Correct 173 ms 1124 KB Output is correct
59 Correct 169 ms 1124 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1124 KB Output is correct
2 Correct 0 ms 1124 KB Output is correct
3 Correct 0 ms 1124 KB Output is correct
4 Correct 0 ms 1124 KB Output is correct
5 Correct 0 ms 1124 KB Output is correct
6 Correct 0 ms 1124 KB Output is correct
7 Correct 0 ms 1124 KB Output is correct
8 Correct 0 ms 1124 KB Output is correct
9 Correct 0 ms 1124 KB Output is correct
10 Correct 0 ms 1124 KB Output is correct
11 Correct 0 ms 1124 KB Output is correct
12 Correct 0 ms 1124 KB Output is correct
13 Correct 0 ms 1124 KB Output is correct
14 Correct 0 ms 1124 KB Output is correct
15 Correct 0 ms 1124 KB Output is correct
16 Correct 0 ms 1124 KB Output is correct
17 Correct 0 ms 1124 KB Output is correct
18 Correct 0 ms 1124 KB Output is correct
19 Correct 0 ms 1124 KB Output is correct
20 Correct 0 ms 1124 KB Output is correct
21 Correct 0 ms 1124 KB Output is correct
22 Correct 0 ms 1124 KB Output is correct
23 Correct 183 ms 1124 KB Output is correct
24 Correct 176 ms 1124 KB Output is correct
25 Correct 179 ms 1124 KB Output is correct
26 Correct 183 ms 1124 KB Output is correct
27 Correct 183 ms 1124 KB Output is correct
28 Correct 116 ms 1124 KB Output is correct
29 Correct 176 ms 1124 KB Output is correct
30 Correct 0 ms 1124 KB Output is correct
31 Correct 0 ms 1124 KB Output is correct
32 Correct 0 ms 1124 KB Output is correct
33 Correct 0 ms 1124 KB Output is correct
34 Correct 0 ms 1124 KB Output is correct
35 Correct 0 ms 1124 KB Output is correct
36 Correct 46 ms 1124 KB Output is correct
37 Correct 3 ms 1124 KB Output is correct
38 Correct 176 ms 1124 KB Output is correct
39 Correct 209 ms 1124 KB Output is correct
40 Correct 0 ms 1124 KB Output is correct
41 Correct 0 ms 1124 KB Output is correct
42 Correct 0 ms 1124 KB Output is correct
43 Correct 0 ms 1124 KB Output is correct
44 Correct 0 ms 1124 KB Output is correct
45 Correct 0 ms 1124 KB Output is correct
46 Correct 0 ms 1124 KB Output is correct
47 Correct 0 ms 1124 KB Output is correct
48 Correct 0 ms 1124 KB Output is correct
49 Correct 0 ms 1124 KB Output is correct
50 Correct 0 ms 1124 KB Output is correct
51 Correct 0 ms 1124 KB Output is correct
52 Correct 0 ms 1124 KB Output is correct
53 Correct 0 ms 1124 KB Output is correct
54 Correct 0 ms 1124 KB Output is correct
55 Correct 0 ms 1124 KB Output is correct
56 Correct 0 ms 1124 KB Output is correct
57 Correct 0 ms 1124 KB Output is correct
58 Correct 0 ms 1124 KB Output is correct
59 Correct 0 ms 1124 KB Output is correct
60 Correct 0 ms 1124 KB Output is correct
61 Correct 0 ms 1124 KB Output is correct
62 Correct 0 ms 1124 KB Output is correct
63 Correct 169 ms 1124 KB Output is correct
64 Correct 163 ms 1124 KB Output is correct
65 Correct 166 ms 1124 KB Output is correct
66 Correct 173 ms 1124 KB Output is correct
67 Correct 163 ms 1124 KB Output is correct
68 Correct 166 ms 1124 KB Output is correct
69 Correct 166 ms 1124 KB Output is correct
70 Correct 176 ms 1124 KB Output is correct
71 Correct 156 ms 1124 KB Output is correct
72 Correct 159 ms 1124 KB Output is correct
73 Correct 176 ms 1124 KB Output is correct
74 Correct 179 ms 1124 KB Output is correct
75 Correct 179 ms 1124 KB Output is correct
76 Correct 173 ms 1124 KB Output is correct
77 Correct 166 ms 1124 KB Output is correct
78 Correct 9 ms 1124 KB Output is correct
79 Correct 9 ms 1124 KB Output is correct
80 Correct 73 ms 1124 KB Output is correct
81 Correct 173 ms 1124 KB Output is correct
82 Correct 169 ms 1124 KB Output is correct
83 Correct 0 ms 1124 KB Output is correct
84 Correct 0 ms 1124 KB Output is correct
85 Correct 0 ms 1124 KB Output is correct
86 Correct 13 ms 1124 KB Output is correct
87 Correct 0 ms 1124 KB Output is correct
88 Correct 0 ms 1124 KB Output is correct
89 Correct 13 ms 1124 KB Output is correct
90 Correct 169 ms 1124 KB Output is correct
91 Correct 169 ms 1124 KB Output is correct
92 Correct 0 ms 1124 KB Output is correct
93 Correct 79 ms 1124 KB Output is correct
94 Correct 76 ms 1124 KB Output is correct
95 Correct 76 ms 1124 KB Output is correct
96 Correct 69 ms 1124 KB Output is correct
97 Correct 79 ms 1124 KB Output is correct
98 Correct 49 ms 1124 KB Output is correct
99 Correct 0 ms 1124 KB Output is correct
100 Correct 9 ms 1124 KB Output is correct
101 Correct 83 ms 1124 KB Output is correct
102 Correct 83 ms 1124 KB Output is correct
103 Correct 83 ms 1124 KB Output is correct
104 Correct 13 ms 1124 KB Output is correct
105 Correct 16 ms 1124 KB Output is correct
106 Correct 39 ms 1124 KB Output is correct
107 Correct 99 ms 1124 KB Output is correct