답안 #9015

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
9015 2014-09-27T10:38:09 Z ainta Actual visible points (kriii2_AC) C++
4 / 4
372 ms 4720 KB
#pragma warning(disable:4996)
#include<stdio.h>
#include<algorithm>
using namespace std;
int n, m, w[101000];
long long Mod = 1000000007, F[201000], G[201000], Res;
bool chk[101000];
long long Inv(long long a){
	long long cnt = Mod - 2, r = 1;
	while (cnt){
		if (cnt % 2){
			r = r*a%Mod;
		}
		cnt /= 2;
		a = a*a%Mod;
	}
	return r;
}
long long Gap(int a){
	if (a == 0)return 0;
	return F[a + n - 1] * Inv(F[n]) % Mod * Inv(F[a - 1]) % Mod;
}
void Do(int a){
	G[a] = (G[a] + Gap(a) - Gap(a-1) + Mod) % Mod;
	int i, ck = chk[a];
	for (i = a * 2; i <= 100000; i += a){
		G[i] = (G[i] + Mod - G[a]) % Mod;
		if (chk[i])ck = true;
	}
	if (ck)Res = (Res + G[a]) % Mod;
}
int main()
{
	int i;
	scanf("%d%d", &n, &m);
	for (i = 1; i <= m; i++){
		scanf("%d", &w[i]);
		chk[w[i]] = true;
	}
	F[0] = 1;
	for (i = 1; i <= 200010; i++){
		F[i] = F[i - 1] * i%Mod;
	}
	for (i = 1; i <= 100000; i++){
		Do(i);
	}
	printf("%lld\n", Res);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 352 ms 4720 KB Output is correct
2 Correct 344 ms 4720 KB Output is correct
3 Correct 352 ms 4720 KB Output is correct
4 Correct 356 ms 4720 KB Output is correct
5 Correct 348 ms 4720 KB Output is correct
6 Correct 352 ms 4720 KB Output is correct
7 Correct 352 ms 4720 KB Output is correct
8 Correct 348 ms 4720 KB Output is correct
9 Correct 352 ms 4720 KB Output is correct
10 Correct 352 ms 4720 KB Output is correct
11 Correct 352 ms 4720 KB Output is correct
12 Correct 352 ms 4720 KB Output is correct
13 Correct 352 ms 4720 KB Output is correct
14 Correct 352 ms 4720 KB Output is correct
15 Correct 352 ms 4720 KB Output is correct
16 Correct 352 ms 4720 KB Output is correct
17 Correct 352 ms 4720 KB Output is correct
18 Correct 348 ms 4720 KB Output is correct
19 Correct 352 ms 4720 KB Output is correct
20 Correct 352 ms 4720 KB Output is correct
21 Correct 348 ms 4720 KB Output is correct
22 Correct 352 ms 4720 KB Output is correct
23 Correct 348 ms 4720 KB Output is correct
24 Correct 356 ms 4720 KB Output is correct
25 Correct 348 ms 4720 KB Output is correct
26 Correct 352 ms 4720 KB Output is correct
27 Correct 352 ms 4720 KB Output is correct
28 Correct 356 ms 4720 KB Output is correct
29 Correct 348 ms 4720 KB Output is correct
30 Correct 352 ms 4720 KB Output is correct
31 Correct 368 ms 4720 KB Output is correct
32 Correct 368 ms 4720 KB Output is correct
33 Correct 364 ms 4720 KB Output is correct
34 Correct 356 ms 4720 KB Output is correct
35 Correct 360 ms 4720 KB Output is correct
36 Correct 360 ms 4720 KB Output is correct
37 Correct 364 ms 4720 KB Output is correct
38 Correct 356 ms 4720 KB Output is correct
39 Correct 360 ms 4720 KB Output is correct
40 Correct 364 ms 4720 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 352 ms 4720 KB Output is correct
2 Correct 352 ms 4720 KB Output is correct
3 Correct 352 ms 4720 KB Output is correct
4 Correct 356 ms 4720 KB Output is correct
5 Correct 352 ms 4720 KB Output is correct
6 Correct 352 ms 4720 KB Output is correct
7 Correct 352 ms 4720 KB Output is correct
8 Correct 352 ms 4720 KB Output is correct
9 Correct 352 ms 4720 KB Output is correct
10 Correct 356 ms 4720 KB Output is correct
11 Correct 356 ms 4720 KB Output is correct
12 Correct 356 ms 4720 KB Output is correct
13 Correct 356 ms 4720 KB Output is correct
14 Correct 356 ms 4720 KB Output is correct
15 Correct 356 ms 4720 KB Output is correct
16 Correct 356 ms 4720 KB Output is correct
17 Correct 352 ms 4720 KB Output is correct
18 Correct 356 ms 4720 KB Output is correct
19 Correct 356 ms 4720 KB Output is correct
20 Correct 356 ms 4720 KB Output is correct
21 Correct 356 ms 4720 KB Output is correct
22 Correct 356 ms 4720 KB Output is correct
23 Correct 356 ms 4720 KB Output is correct
24 Correct 360 ms 4720 KB Output is correct
25 Correct 356 ms 4720 KB Output is correct
26 Correct 360 ms 4720 KB Output is correct
27 Correct 352 ms 4720 KB Output is correct
28 Correct 356 ms 4720 KB Output is correct
29 Correct 352 ms 4720 KB Output is correct
30 Correct 356 ms 4720 KB Output is correct
31 Correct 364 ms 4720 KB Output is correct
32 Correct 360 ms 4720 KB Output is correct
33 Correct 364 ms 4720 KB Output is correct
34 Correct 356 ms 4720 KB Output is correct
35 Correct 364 ms 4720 KB Output is correct
36 Correct 360 ms 4720 KB Output is correct
37 Correct 372 ms 4720 KB Output is correct
38 Correct 364 ms 4720 KB Output is correct
39 Correct 360 ms 4720 KB Output is correct
40 Correct 368 ms 4720 KB Output is correct