hdu 2189 悼念512汶川大地震遇难同胞——来生一起走 (母函数)

  1/* ***********************************************
  2Author :111qqz
  3Created Time :2016年02月26日 星期五 16时24分17秒
  4File Name :code/hdu/2189.cpp
  5************************************************ */
  6
  7#include <cstdio>muhanshu
  8#include <cstring>
  9#include <iostream>
 10#include <algorithm>
 11#include <vector>
 12#include <queue>
 13#include <set>
 14#include <map>
 15#include <string>
 16#include <cmath>
 17#include <cstdlib>
 18#include <ctime>
 19#define fst first
 20#define sec second
 21#define lson l,m,rt<<1
 22#define rson m+1,r,rt<<1|1
 23#define ms(a,x) memset(a,x,sizeof(a))
 24typedef long long LL;
 25#define pi pair < int ,int >
 26#define MP make_pair
 27
 28using namespace std;
 29const double eps = 1E-8;
 30const int dx4[4]={1,0,0,-1};
 31const int dy4[4]={0,-1,1,0};
 32const int inf = 0x3f3f3f3f;
 33const int N=155;
 34int pri[N];
 35int a[N],tmp[N];
 36int cnt;
 37int n;
 38
 39bool judge ( int n)
 40{
 41    if (n<=3) return true;
 42    for ( int i = 2 ; i*i <= n ; i++)
 43    {
 44	if (n%i==0) return false;
 45    }
 46
 47    return true;
 48} 
 49
 50
 51void pre()
 52{
 53    cnt  = 0;
 54    for ( int i = 2 ; i <= 200 ;  i++)
 55    {
 56	if (judge(i))
 57	    pri[++cnt] = i;
 58    }
 59}
 60int main()
 61{
 62	#ifndef  ONLINE_JUDGE 
 63	freopen("code/in.txt","r",stdin);
 64  #endif
 65
 66
 67	int T;
 68	pre();
 69	scanf("%d",&T);
 70	while (T--)
 71	{
 72	    scanf("%d",&n);
 73
 74	    ms(a,0);
 75	    for ( int i = 0 ; i <= n ; i+=2 )
 76	    {
 77		a[i] = 1;
 78		tmp[i] =  0;
 79	    }
 80
 81
 82	    for ( int i = 2 ; pri[i] <= n ; i++)
 83	    {
 84		for ( int j = 0 ; j <= n ; j++)
 85		{
 86		    for ( int k = 0 ; k + j <= n ; k +=pri[i])
 87		    {
 88			tmp[j+k] +=a[j];
 89		    }
 90		}
 91		for ( int j = 0 ; j <= n ; j ++)
 92		{
 93		    a[j] = tmp[j];
 94		    tmp[j] =  0;
 95		}
 96	    }
 97
 98	    printf("%d\n",a[n]);
 99	}
100
101  #ifndef ONLINE_JUDGE  
102  fclose(stdin);
103  #endif
104    return 0;
105}