hdu 1398 Square Coins (母函数)

标签：io   os   ar   for   sp   c   amp   r   as   

# include <stdio.h>
# include <algorithm>
# include <string.h>
# include <iostream>
using namespace std;
int main()
{
    int n,i,j,k;
    int c1[310],c2[310];
    while(~scanf("%d",&n),n)
    {
         for(i=0;i<=n;i++)
         {
             c1[i]=1;
             c2[i]=0;
         }
         for(i=2;i<=17;i++)///指数系数
         {
             for(j=0;j<=n;j++)
             {
                 for(k=0;k+j<=n;k+=i*i)///关键
                 {
                     c2[k+j]+=c1[j];
                 }
             }
             for(j=0;j<=n;j++)
             {
                 c1[j]=c2[j];
                 c2[j]=0;
             }
         }
         printf("%d\n",c1[n]);
    }
    return 0;
}

hdu 1398 Square Coins (母函数)

标签：io   os   ar   for   sp   c   amp   r   as   

原文地址：http://blog.csdn.net/lp_opai/article/details/39754127