# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
19806 |
2016-02-25T05:47:29 Z |
myungwoo |
동전 (kriii4_E) |
C++14 |
|
33 ms |
17900 KB |
#include<stdio.h>
#include<memory.h>
#define mod 1000000007
#define inv(a) exp(a,mod-2)
typedef long long lld;
lld exp(lld a, lld b){
if(b==0)return 1;
lld k=exp(a, b/2);
k=(k*k)%mod;
if(b%2)k=(k*a)%mod;
return k;
}
lld fac[1001001], rfac[1001001];
void init(){
lld i;
fac[0]=rfac[0]=1;
for(i=1; i<=1000000; i++){
fac[i]=(fac[i-1]*i)%mod;
rfac[i]=inv(fac[i]);
}
}
lld comb(lld a, lld b){
return fac[a]*rfac[b]%mod*rfac[a-b]%mod;
}
lld n, grd[251], dy[251][600];
int main(){
lld i, j, k;
// init();
scanf("%d", &n);
for(i=1; i<=n; i++)grd[i]=i;
dy[0][0]=1;
for(i=1; i<=n; i++){
for(j=0; j<512; j++){
if(grd[i]==j)dy[i][j]++;
for(k=0; k<i; k++)dy[i][j]+=dy[k][j^grd[i-k-1]];
dy[i][j]%=mod;
}
}
printf("%lld", dy[n][0]);
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
17900 KB |
Output is correct |
2 |
Correct |
0 ms |
17900 KB |
Output is correct |
3 |
Correct |
0 ms |
17900 KB |
Output is correct |
4 |
Correct |
0 ms |
17900 KB |
Output is correct |
5 |
Correct |
0 ms |
17900 KB |
Output is correct |
6 |
Correct |
0 ms |
17900 KB |
Output is correct |
7 |
Correct |
0 ms |
17900 KB |
Output is correct |
8 |
Correct |
0 ms |
17900 KB |
Output is correct |
9 |
Correct |
0 ms |
17900 KB |
Output is correct |
10 |
Correct |
0 ms |
17900 KB |
Output is correct |
11 |
Correct |
0 ms |
17900 KB |
Output is correct |
12 |
Correct |
0 ms |
17900 KB |
Output is correct |
13 |
Correct |
0 ms |
17900 KB |
Output is correct |
14 |
Correct |
0 ms |
17900 KB |
Output is correct |
15 |
Correct |
0 ms |
17900 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
17900 KB |
Output is correct |
2 |
Correct |
15 ms |
17900 KB |
Output is correct |
3 |
Correct |
0 ms |
17900 KB |
Output is correct |
4 |
Correct |
4 ms |
17900 KB |
Output is correct |
5 |
Correct |
0 ms |
17900 KB |
Output is correct |
6 |
Correct |
6 ms |
17900 KB |
Output is correct |
7 |
Correct |
23 ms |
17900 KB |
Output is correct |
8 |
Correct |
28 ms |
17900 KB |
Output is correct |
9 |
Correct |
9 ms |
17900 KB |
Output is correct |
10 |
Correct |
23 ms |
17900 KB |
Output is correct |
11 |
Correct |
2 ms |
17900 KB |
Output is correct |
12 |
Correct |
4 ms |
17900 KB |
Output is correct |
13 |
Correct |
21 ms |
17900 KB |
Output is correct |
14 |
Correct |
17 ms |
17900 KB |
Output is correct |
15 |
Correct |
9 ms |
17900 KB |
Output is correct |
16 |
Correct |
2 ms |
17900 KB |
Output is correct |
17 |
Correct |
31 ms |
17900 KB |
Output is correct |
18 |
Correct |
0 ms |
17900 KB |
Output is correct |
19 |
Correct |
15 ms |
17900 KB |
Output is correct |
20 |
Correct |
3 ms |
17900 KB |
Output is correct |
21 |
Correct |
20 ms |
17900 KB |
Output is correct |
22 |
Correct |
12 ms |
17900 KB |
Output is correct |
23 |
Correct |
7 ms |
17900 KB |
Output is correct |
24 |
Correct |
3 ms |
17900 KB |
Output is correct |
25 |
Correct |
4 ms |
17900 KB |
Output is correct |
26 |
Correct |
0 ms |
17900 KB |
Output is correct |
27 |
Correct |
25 ms |
17900 KB |
Output is correct |
28 |
Correct |
0 ms |
17900 KB |
Output is correct |
29 |
Correct |
25 ms |
17900 KB |
Output is correct |
30 |
Correct |
33 ms |
17900 KB |
Output is correct |