hdu1250-Hat's Fibonacci

http://acm.hdu.edu.cn/showproblem.php?pid=1250

二维大数处理

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>

using namespace std ;

#define maxm 10005
#define maxn 305 
int fi[ maxm ][ maxn ] ;

void Add()
{
	memset( fi,sizeof( fi ) ) ;
	fi [ 1 ][ 1 ] = fi[ 2 ][ 1 ] = fi[ 3 ][ 1 ] = fi[ 4 ][ 1 ] = 1 ;
	int i,j,k ;
	for( i = 5 ; i < maxm ; ++i )
	{
		int temp = 0 ;
		for( j = 1 ; j < maxn ; ++j )
		{
			temp = temp + fi[ i - 4 ][ j ] + fi[ i - 1 ][ j ] + fi[ i - 2 ][ j ] + fi[ i - 3 ][ j ] ;
			fi[ i ][ j ] = 	temp % 100000000 ;
			temp = temp / 100000000 ;
		}
	}
}

int main()
{
	Add();
	int n ;
	while( scanf( "%d",&n ) != EOF )
	{
		int i = maxn - 1;
		while( fi[ n ][ i ] == 0 )
			i-- ; 
		printf( "%d",fi[ n ][ i-- ] ) ;
		
		for( int j = i ; j >= 1 ; --j )
			printf( "%08d",fi[ n ][ j ] ) ;
		printf( "n" ) ;
	} 
	return 0 ;
}