学步园

终于会写DP了，这种水水的还是能写的~ 嘿嘿~

/*
ID:bysen
LANG:C++
PROG:rockers
*/
#include<stdio.h>
using namespace std;

int DP[21][21][21];
int time[21];
int N,T,M;
 	

int max( int a,int b ){ return a>b?a:b; }
int getDP( int k,int t,int j )
{
 	int ret=0;
 	for( int i=0;i<j;i++ )
 		 ret=max( DP[k][t][i],ret );
	return ret;
}

int getCD( int cd,int k )
{
 	int ret=0;
 	for( int i=1;i<=T;i++ )
 	for( int j=0;j<k;j++ )
 		 ret=max(ret,DP[cd][i][j] );
	return ret;
}

int main()
{
 	freopen( "rockers.in","r",stdin );
 	freopen( "rockers.out","w",stdout );
 	scanf( "%d %d %d",&N,&T,&M );
 	for( int i=1;i<=N;i++ )
 		 scanf( "%d",&time[i] );
	
	for( int k=1;k<=M;k++ )
	for( int i=1;i<=T;i++ )
	for( int j=1;j<=N;j++ )
	{
	 	 if( i-time[j]==0)
	 	  	 DP[k][i][j]=1;
	 	 if( i-time[j]>=0 )
	 	 {
	 	 	 if( (i-time[j])%T==0 )
	 	 	 	 DP[k][i][j]=max( DP[k][i][j],getCD(k-1,j)+1 );
	 	 	 else
	 	 	 	 DP[k][i][j]=max( DP[k][i][j],getDP(k,i-time[j],j)+1 );
         }
 	}
 	/*
 	for( int k=1;k<=M;k++ )
	{
	 	 for( int i=1;i<=T;i++ )
		 {
		  	  for( int j=1;j<=N;j++ )
		 	  	   printf( "%d  ",DP[k][i][j] );
		 	  printf( "\n" );
  		 }
  		 printf( "\n" );
    }*/
    int ans=0;
    for( int i=0;i<=T;i++ )
    for( int j=0;j<=N;j++ )
    	 ans=max( ans,DP[M][i][j] );
	printf( "%d\n",ans );
}