mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
#include<iostream>
|
|
#include<cstdio>
|
|
#include<string.h>
|
|
using namespace std;
|
|
struct sta{
|
|
int s[4];
|
|
};
|
|
struct node{
|
|
int m[8][8];
|
|
}res,temp,mod;
|
|
int getnum( sta a )
|
|
{
|
|
int m,n,index;
|
|
m=n=0;
|
|
for( int i=0;i<4;i++ )
|
|
if( m<a.s[i] )
|
|
m=a.s[i],index=i;
|
|
m=0;
|
|
for( int i=0;i<4;i++ )
|
|
m=m*10+a.s[(index+i)%4],
|
|
n=n*10+a.s[(4+index-i)%4];
|
|
return m>n?m:n;
|
|
}
|
|
int h[4444];
|
|
void dfs( sta a,sta b,int at )
|
|
{
|
|
if( at>3 )
|
|
{
|
|
int n1=getnum(a);
|
|
int n2=getnum(b);
|
|
temp.m[h[n1]][h[n2]]++;
|
|
return ;
|
|
}
|
|
for( int i=0;i<=a.s[at];i++ )//1->2
|
|
for( int j=0;i+j<=a.s[at];j++ )//1->0
|
|
{
|
|
sta x=b;
|
|
x.s[at]=x.s[at]-i-j;
|
|
x.s[(at+1)%4]+=i;
|
|
x.s[(at+3)%4]+=j;
|
|
dfs( a,x,at+1 );
|
|
}
|
|
}
|
|
node matriXmult( node a,node b )
|
|
{
|
|
node c;
|
|
memset( c.m,0,sizeof(c.m) );
|
|
for( int i=0;i<8;i++ )
|
|
for( int k=0;k<8;k++ )
|
|
if( a.m[i][k] )
|
|
for( int j=0;j<8;j++ )
|
|
c.m[i][j]+=a.m[i][k]*b.m[k][j];
|
|
for( int i=0;i<8;i++ )
|
|
for( int j=0;j<8;j++ )
|
|
c.m[i][j]%=9937;
|
|
return c;
|
|
}
|
|
void matrixPower( int n )
|
|
{
|
|
memset( res.m,0,sizeof(res.m) );
|
|
for( int i=0;i<8;i++ )
|
|
{
|
|
res.m[i][i]=1;
|
|
for( int j=0;j<8;j++ )
|
|
mod.m[i][j]=temp.m[i][j];
|
|
}
|
|
for( int i=0;i<32;i++ )
|
|
{
|
|
if( n&(1<<i) )
|
|
res=matriXmult( res,mod );
|
|
mod=matriXmult( mod,mod );
|
|
}
|
|
}
|
|
int main()
|
|
{
|
|
memset( temp.m,0,sizeof(temp.m) );
|
|
for( int i=0;i<8;i++ )
|
|
res.m[i][i]=1;
|
|
int a[8][4]={ 1,1,1,1,2,0,2,0,2,1,0,1,
|
|
2,1,1,0,2,2,0,0,3,0,1,0,
|
|
3,1,0,0,4,0,0,0 };
|
|
h[1111]=0;h[2020]=1;h[2101]=2;
|
|
h[2110]=3;h[2200]=4;h[3010]=5;
|
|
h[3100]=6;h[4000]=7;
|
|
sta s;
|
|
for( int i=0;i<8;i++ ){
|
|
for( int j=0;j<4;j++ )
|
|
s.s[j]=a[i][j];
|
|
dfs( s,s,0 );
|
|
}
|
|
int n;
|
|
while( scanf( "%d",&n )!=EOF )
|
|
{
|
|
matrixPower(n);
|
|
printf( "%d\n",res.m[0][0] );
|
|
}
|
|
return 0;
|
|
}
|