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다이나믹 프로그래밍 imporved recursive fibonacci #198

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@changDDAO

Description

@changDDAO

육안으로 저장된 값들을 확인하면서 동작원리를 생각해보면 이해에 도움이 될 것 같아 간단하게 만들어 봤습니다. 책 너무 잘보고 있습니다.
`package DynamicProgramming;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class Fibonacci_ImprovedRecursive {
public static long[] savedValue = new long[100];

public static long fibo(int x){    if(x==1||x==2){        return 1;    }    if(savedValue[x]!=0){        return savedValue[x];    }else {        savedValue[x]=fibo(x-1)+fibo(x-2);        return fibo(x-1)+fibo(x-2);    }}public static void main(String[] args)  {    List<Long> saveLongValue;    try {        while (true) {            Scanner sc = new Scanner(System.in);            System.out.println("피보나치 항을 입력하시오>>");            int s = sc.nextInt();            fibo(s);            System.out.println("배열에 저장된 값>>");            saveLongValue = Arrays.stream(savedValue).filter(i -> i != 0).boxed().collect(Collectors.toList());            System.out.println(saveLongValue);        }    }catch (Exception e){        e.printStackTrace();    }}

}
`

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