Submission #20076

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
20076	2016-02-25T09:47:27 Z	gs13068	목공 (kriii4_A)	C++	4 / 100	24 ms	1104 KB

A

#include <cstdio>
#include <map>

const int p = 1092616193;

using namespace std;

int f(int x, int y)
{
	return y & 1 ? (long long)f(x, y ^ 1)*x%p : y ? f((long long)x*x%p, y >> 1) : 1;
}

int a[1001];
int d[5005];

int main()
{
	int i, j, n, m, t, s = 0;
	scanf("%d%d", &n, &m);
	for (i = 0; i < n; i++)
	{
		scanf("%d", a + i);
		s += a[i];
	}
	s = f(s, p - 2);
	for (i = n; i <= m; i++)
	{
		t = 0;
		for (j = 0; j < n; j++) t = (t + (long long)a[j] * d[i + j - n]) % p;
		d[i] = ((long long)t * s + 1) % p;
	}
	printf("%d", d[m]);
}

Subtask #1

4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	1104 KB	Output is correct
2	Correct	21 ms	1104 KB	Output is correct
3	Correct	22 ms	1104 KB	Output is correct
4	Correct	22 ms	1104 KB	Output is correct
5	Correct	23 ms	1104 KB	Output is correct
6	Correct	21 ms	1104 KB	Output is correct
7	Correct	21 ms	1104 KB	Output is correct
8	Correct	24 ms	1104 KB	Output is correct
9	Correct	22 ms	1104 KB	Output is correct
10	Correct	23 ms	1104 KB	Output is correct
11	Correct	21 ms	1104 KB	Output is correct
12	Correct	22 ms	1104 KB	Output is correct
13	Correct	21 ms	1104 KB	Output is correct
14	Correct	24 ms	1104 KB	Output is correct
15	Correct	23 ms	1104 KB	Output is correct
16	Correct	21 ms	1104 KB	Output is correct
17	Correct	21 ms	1104 KB	Output is correct
18	Correct	21 ms	1104 KB	Output is correct
19	Correct	0 ms	1104 KB	Output is correct
20	Correct	0 ms	1104 KB	Output is correct
21	Correct	14 ms	1104 KB	Output is correct
22	Correct	14 ms	1104 KB	Output is correct
23	Correct	14 ms	1104 KB	Output is correct
24	Correct	14 ms	1104 KB	Output is correct
25	Correct	14 ms	1104 KB	Output is correct
26	Correct	14 ms	1104 KB	Output is correct
27	Correct	14 ms	1104 KB	Output is correct
28	Correct	14 ms	1104 KB	Output is correct
29	Correct	14 ms	1104 KB	Output is correct
30	Correct	14 ms	1104 KB	Output is correct

Subtask #2

0.0 / 96.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	0 ms	1100 KB	futex (syscall #202) was called by the program (disallowed syscall)
2	Halted	0 ms	0 KB	-