Hat's Fibonacci（大数，好）

Hat's Fibonacci

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 9394    Accepted Submission(s): 3065

Problem Description

A Fibonacci sequence is calculated by adding the previous two members the sequence, with the first two members being both 1.
F(1) = 1, F(2) = 1, F(3) = 1,F(4) = 1, F(n>4) = F(n - 1) + F(n-2) + F(n-3) + F(n-4)
Your task is to take a number as input, and print that Fibonacci number.

 

Input

Each line will contain an integers. Process to end of file.

 

Output

For each case, output the result in a line.

 

Sample Input

100

 

Sample Output

4203968145672990846840663646

题解：大数相加超内存，所以想着每个里面存8位；输出的时候不足8位补0；

代码：

#include<stdio.h>
#include<string.h>
const int MAXN=10100;
const int MAXM=100000000;
char temp[MAXN];
int dp[MAXN][510];
int main(){
    dp[0][0]=1;
    dp[1][0]=1;
    dp[2][0]=1;
    dp[3][0]=1;
    dp[4][0]=1;
    for(int i=5;i<=10000;i++){
        for(int j=0;j<=500;j++)dp[i][j]=dp[i-1][j]+dp[i-2][j]+dp[i-3][j]+dp[i-4][j];
        for(int j=0;j<=500;j++)
            if(dp[i][j]>MAXM)dp[i][j+1]+=dp[i][j]/MAXM,dp[i][j]%=MAXM;    
    }
    int n;
    while(~scanf("%d",&n)){
        int j=500;
        while(!dp[n][j])j--;
        printf("%d",dp[n][j]);
        while(--j>=0)printf("%08d",dp[n][j]);//不足8位补零 
        puts("");
    }
    return 0;
}