#include <stdio.h>
#include <vector>
const long long mod = 1000000007;
long long ans; int divs[2223],isp[2223],ind[48],cha[2223],p;
std::vector<int> gath[2223],sm;
int pr[1<<15],nx[1<<15];
int N;
int ch(int x)
{
int r = 0;
for (int i=2;i<48;i++) if (!isp[i] && x % i == 0) r |= 1 << ind[i];
return r;
}
int main()
{
scanf ("%d",&N);
for (int i=2;i<=2222;i++) if (!isp[i]){
for (int j=i;j<=2222;j+=i) divs[j] = i;
for (int j=i*i;j<=2222;j+=i) isp[j] = 1;
}
for (int i=2;i<48;i++) if (!isp[i]){
ind[i] = p++;
}
for (int i=2;i<=2222;i++) cha[i] = ch(i);
for (int i=0,x;i<N;i++){
scanf ("%d",&x);
if (divs[x] >= 48){
gath[divs[x]].push_back(cha[x/divs[x]]);
}
else sm.push_back(cha[x]);
}
pr[0] = 1;
for (int i=48;i<=2222;i++) if (!gath[i].empty()){
for (int j=0;j<(1<<15);j++) nx[j] = pr[j];
for (int j=0;j<(1<<15);j++) for (int k=0;k<gath[i].size();k++) if ((j & gath[i][k]) == 0) nx[j|gath[i][k]] += pr[j];
for (int j=0;j<(1<<15);j++) pr[j] = nx[j] % mod;
}
for (int k=0;k<sm.size();k++){
for (int j=0;j<(1<<15);j++) nx[j] = pr[j];
for (int j=0;j<(1<<15);j++) if ((j & sm[k]) == 0) nx[j|sm[k]] += pr[j];
for (int j=0;j<(1<<15);j++) pr[j] = nx[j] % mod;
}
for (int i=0;i<(1<<15);i++) ans = (ans + pr[i]) % mod;
ans = (ans - N - 1 + mod) % mod;
printf ("%lld\n",ans);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1540 KB |
Output is correct |
2 |
Correct |
0 ms |
1540 KB |
Output is correct |
3 |
Correct |
0 ms |
1540 KB |
Output is correct |
4 |
Correct |
0 ms |
1540 KB |
Output is correct |
5 |
Correct |
0 ms |
1540 KB |
Output is correct |
6 |
Correct |
0 ms |
1540 KB |
Output is correct |
7 |
Correct |
0 ms |
1540 KB |
Output is correct |
8 |
Correct |
0 ms |
1540 KB |
Output is correct |
9 |
Correct |
4 ms |
1540 KB |
Output is correct |
10 |
Correct |
0 ms |
1540 KB |
Output is correct |
11 |
Correct |
4 ms |
1540 KB |
Output is correct |
12 |
Correct |
4 ms |
1540 KB |
Output is correct |
13 |
Correct |
0 ms |
1540 KB |
Output is correct |
14 |
Correct |
0 ms |
1540 KB |
Output is correct |
15 |
Correct |
0 ms |
1540 KB |
Output is correct |
16 |
Correct |
0 ms |
1540 KB |
Output is correct |
17 |
Correct |
0 ms |
1540 KB |
Output is correct |
18 |
Correct |
0 ms |
1540 KB |
Output is correct |
19 |
Correct |
0 ms |
1540 KB |
Output is correct |
20 |
Correct |
0 ms |
1540 KB |
Output is correct |
21 |
Correct |
0 ms |
1540 KB |
Output is correct |
22 |
Correct |
0 ms |
1540 KB |
Output is correct |
23 |
Correct |
0 ms |
1540 KB |
Output is correct |
24 |
Correct |
0 ms |
1540 KB |
Output is correct |
25 |
Correct |
0 ms |
1540 KB |
Output is correct |
26 |
Correct |
4 ms |
1540 KB |
Output is correct |
27 |
Correct |
4 ms |
1540 KB |
Output is correct |
28 |
Correct |
4 ms |
1540 KB |
Output is correct |
29 |
Correct |
0 ms |
1540 KB |
Output is correct |
30 |
Correct |
4 ms |
1540 KB |
Output is correct |
31 |
Correct |
0 ms |
1540 KB |
Output is correct |
32 |
Correct |
0 ms |
1540 KB |
Output is correct |
33 |
Correct |
0 ms |
1540 KB |
Output is correct |
34 |
Correct |
0 ms |
1540 KB |
Output is correct |
35 |
Correct |
4 ms |
1540 KB |
Output is correct |
36 |
Correct |
4 ms |
1540 KB |
Output is correct |
37 |
Correct |
0 ms |
1540 KB |
Output is correct |
38 |
Correct |
0 ms |
1540 KB |
Output is correct |
39 |
Correct |
0 ms |
1540 KB |
Output is correct |
40 |
Correct |
0 ms |
1540 KB |
Output is correct |
41 |
Correct |
4 ms |
1540 KB |
Output is correct |
42 |
Correct |
4 ms |
1540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1540 KB |
Output is correct |
2 |
Correct |
0 ms |
1540 KB |
Output is correct |
3 |
Correct |
0 ms |
1540 KB |
Output is correct |
4 |
Correct |
0 ms |
1540 KB |
Output is correct |
5 |
Correct |
0 ms |
1540 KB |
Output is correct |
6 |
Correct |
0 ms |
1540 KB |
Output is correct |
7 |
Correct |
0 ms |
1540 KB |
Output is correct |
8 |
Correct |
0 ms |
1540 KB |
Output is correct |
9 |
Correct |
0 ms |
1540 KB |
Output is correct |
10 |
Correct |
0 ms |
1540 KB |
Output is correct |
11 |
Correct |
0 ms |
1540 KB |
Output is correct |
12 |
Correct |
0 ms |
1540 KB |
Output is correct |
13 |
Correct |
0 ms |
1540 KB |
Output is correct |
14 |
Correct |
4 ms |
1540 KB |
Output is correct |
15 |
Correct |
4 ms |
1540 KB |
Output is correct |
16 |
Correct |
4 ms |
1540 KB |
Output is correct |
17 |
Correct |
4 ms |
1540 KB |
Output is correct |
18 |
Correct |
4 ms |
1540 KB |
Output is correct |
19 |
Correct |
4 ms |
1540 KB |
Output is correct |
20 |
Correct |
4 ms |
1540 KB |
Output is correct |
21 |
Correct |
4 ms |
1540 KB |
Output is correct |
22 |
Correct |
4 ms |
1540 KB |
Output is correct |
23 |
Correct |
4 ms |
1540 KB |
Output is correct |
24 |
Correct |
4 ms |
1540 KB |
Output is correct |
25 |
Correct |
4 ms |
1540 KB |
Output is correct |
26 |
Correct |
4 ms |
1540 KB |
Output is correct |
27 |
Correct |
0 ms |
1540 KB |
Output is correct |
28 |
Correct |
4 ms |
1540 KB |
Output is correct |
29 |
Correct |
4 ms |
1540 KB |
Output is correct |
30 |
Correct |
4 ms |
1540 KB |
Output is correct |
31 |
Correct |
4 ms |
1540 KB |
Output is correct |
32 |
Correct |
4 ms |
1540 KB |
Output is correct |
33 |
Correct |
4 ms |
1540 KB |
Output is correct |
34 |
Correct |
4 ms |
1540 KB |
Output is correct |
35 |
Correct |
4 ms |
1540 KB |
Output is correct |
36 |
Correct |
4 ms |
1540 KB |
Output is correct |
37 |
Correct |
4 ms |
1540 KB |
Output is correct |
38 |
Correct |
4 ms |
1540 KB |
Output is correct |
39 |
Correct |
0 ms |
1540 KB |
Output is correct |
40 |
Correct |
4 ms |
1540 KB |
Output is correct |
41 |
Correct |
4 ms |
1540 KB |
Output is correct |
42 |
Correct |
8 ms |
1540 KB |
Output is correct |
43 |
Correct |
8 ms |
1540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
340 ms |
1540 KB |
Output is correct |
2 |
Correct |
336 ms |
1540 KB |
Output is correct |
3 |
Correct |
352 ms |
1540 KB |
Output is correct |
4 |
Correct |
340 ms |
1540 KB |
Output is correct |
5 |
Correct |
336 ms |
1540 KB |
Output is correct |
6 |
Correct |
324 ms |
1540 KB |
Output is correct |
7 |
Correct |
340 ms |
1540 KB |
Output is correct |
8 |
Correct |
356 ms |
1540 KB |
Output is correct |
9 |
Correct |
320 ms |
1540 KB |
Output is correct |
10 |
Correct |
324 ms |
1540 KB |
Output is correct |
11 |
Correct |
340 ms |
1540 KB |
Output is correct |
12 |
Correct |
320 ms |
1540 KB |
Output is correct |
13 |
Correct |
324 ms |
1540 KB |
Output is correct |
14 |
Correct |
308 ms |
1540 KB |
Output is correct |
15 |
Correct |
332 ms |
1540 KB |
Output is correct |
16 |
Correct |
336 ms |
1540 KB |
Output is correct |
17 |
Correct |
292 ms |
1540 KB |
Output is correct |
18 |
Correct |
296 ms |
1540 KB |
Output is correct |
19 |
Correct |
312 ms |
1540 KB |
Output is correct |
20 |
Correct |
292 ms |
1540 KB |
Output is correct |
21 |
Correct |
296 ms |
1540 KB |
Output is correct |
22 |
Correct |
280 ms |
1540 KB |
Output is correct |
23 |
Correct |
304 ms |
1540 KB |
Output is correct |
24 |
Correct |
308 ms |
1540 KB |
Output is correct |
25 |
Correct |
252 ms |
1540 KB |
Output is correct |
26 |
Correct |
252 ms |
1540 KB |
Output is correct |
27 |
Correct |
284 ms |
1540 KB |
Output is correct |
28 |
Correct |
252 ms |
1540 KB |
Output is correct |
29 |
Correct |
260 ms |
1540 KB |
Output is correct |
30 |
Correct |
240 ms |
1540 KB |
Output is correct |
31 |
Correct |
260 ms |
1540 KB |
Output is correct |
32 |
Correct |
260 ms |
1540 KB |
Output is correct |
33 |
Correct |
196 ms |
1540 KB |
Output is correct |
34 |
Correct |
196 ms |
1540 KB |
Output is correct |
35 |
Correct |
204 ms |
1540 KB |
Output is correct |
36 |
Correct |
192 ms |
1540 KB |
Output is correct |
37 |
Correct |
192 ms |
1540 KB |
Output is correct |
38 |
Correct |
188 ms |
1540 KB |
Output is correct |
39 |
Correct |
200 ms |
1540 KB |
Output is correct |
40 |
Correct |
204 ms |
1540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
280 ms |
1540 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
256 ms |
1540 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |