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- #include <iostream>
- using namespace std;
- #define mod 666013
- int ans[ 1010 ][ 1010 ], use[ 1010 ][ 1010 ], n, k;
- int solve( int a, int b )
- {
- if( use[ a ][ b ] )
- return ans[ a ][ b ];
- use[ a ][ b ] = 1;
- if( a >= k and b == 0 )
- {
- ans[ a ][ b ] = solve( a , k );
- return ans[ a ][ b ];
- }
- if( a < k and b == 0 )
- {
- ans[ a ][ b ] = 1;
- return ans[ a ][ b ];
- }
- if( a < b )
- {
- ans[ a ][ b ] = 0;
- return ans[ a ][ b ];
- }
- if( b % 2 == 1 )
- {
- for( int i = 0 ; i < a ; i++ )
- ans[ a ][ b ] = ( ans[ a ][ b ] + 1ll * solve( i , b / 2 ) * solve( a - i - 1 , b / 2 ) ) % mod;
- return ans[ a ][ b ];
- }
- else
- {
- for( int i = 0 ; i < a ; i++ )
- ans[ a ][ b ] = ( ans[ a ][ b ] + 1ll * solve( i , 0 ) * solve( a - i - 1 , b - 1 ) ) % mod;
- return ans[ a ][ b ];
- }
- }
- int main()
- {
- cin>>n>>k;
- cout<<solve(n,k);
- return 0;
- }
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