답안 #19047

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
19047	2016-02-17T09:48:51 Z	kriii	목공 (kriii4_A)	C++14	4 / 100	475 ms	1184 KB

A

#include <stdio.h>

const long long mod = 1092616193;

long long fpow(long long a, long long p)
{
	a %= mod;
	p = (p % (mod - 1) + mod - 1) % (mod - 1);
	long long r = 1;
	while (p){
		if (p & 1) r = r * a % mod;
		a = a * a % mod;
		p >>= 1;
	}
	return r;
}

int main()
{
	int N,Q[16006];
	long long M,S=0; scanf ("%d %lld",&N,&M);
	for (int i=0;i<N;i++){
		scanf ("%d",&Q[i]);
		S += Q[i];
	}
	long long v = fpow(S,-1);
	
	const int sz = 20000;
	long long A[sz] = {0,};
	for (int i=N;i<=M;i++){
		long long &a = A[i%sz];
		a = 0;
		for (int j=0;j<N;j++) a = (a + A[i-N+j] * Q[j]) % mod;
		a = a * v % mod;
		a++;
		if (a >= mod) a = 0;
	}
	printf ("%lld\n",A[M%sz]);

	return 0;
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	1180 KB	Output is correct
2	Correct	21 ms	1184 KB	Output is correct
3	Correct	23 ms	1176 KB	Output is correct
4	Correct	22 ms	1180 KB	Output is correct
5	Correct	24 ms	1180 KB	Output is correct
6	Correct	22 ms	1176 KB	Output is correct
7	Correct	21 ms	1180 KB	Output is correct
8	Correct	24 ms	1180 KB	Output is correct
9	Correct	22 ms	1176 KB	Output is correct
10	Correct	23 ms	1176 KB	Output is correct
11	Correct	22 ms	1176 KB	Output is correct
12	Correct	22 ms	1184 KB	Output is correct
13	Correct	22 ms	1176 KB	Output is correct
14	Correct	24 ms	1184 KB	Output is correct
15	Correct	22 ms	1176 KB	Output is correct
16	Correct	21 ms	1184 KB	Output is correct
17	Correct	21 ms	1180 KB	Output is correct
18	Correct	21 ms	1176 KB	Output is correct
19	Correct	0 ms	1180 KB	Output is correct
20	Correct	0 ms	1180 KB	Output is correct
21	Correct	14 ms	1176 KB	Output is correct
22	Correct	10 ms	1176 KB	Output is correct
23	Correct	14 ms	1180 KB	Output is correct
24	Correct	14 ms	1180 KB	Output is correct
25	Correct	10 ms	1176 KB	Output is correct
26	Correct	14 ms	1180 KB	Output is correct
27	Correct	14 ms	1180 KB	Output is correct
28	Correct	14 ms	1176 KB	Output is correct
29	Correct	14 ms	1176 KB	Output is correct
30	Correct	10 ms	1176 KB	Output is correct

Subtask #2

0.0 / 96.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	475 ms	1176 KB	SIGSEGV Segmentation fault
2	Halted	0 ms	0 KB	-