Python:在给定的数字列表中查找每个Fibonacci序列

问题描述 投票:-1回答:3

一个程序,它从用户那里获取用“,”分隔的数字列表,并从列表中提取并打印每个斐波那契序列。像这样:

In: 5,6,9,3,0,1,1,2,3,8,2,9,3,0,1,1,2,3,5,98
Out: 
[0,1,1,2,3]
[0,1,1,2,3,5]

我试图使用“for”循环来找到第一个0并在它之后处理程序。喜欢它检查并遵循斐波那契序列的列表,直到它不在序列中,打印列表,然后查找下一个0.我写了获取输入的代码部分,但我不知道如何做其余的事

numbers = input("Enter your numbers list and use comma to seperate them: ")
numlist = numbers.split(",")
numlist = [int(x) for x in numlist]
result = []

“result”是输出列表(或列表)。我希望我的解释清楚。谁有人可以帮忙?

python list search find fibonacci
3个回答
0
投票

下面的程序应该工作,它将检查数字列表中的斐波纳契系列

numbers = [5,6,9,3,0,1,1,2,3,8,2,9,3,0,1,1,2,3,5,98]

first = numbers[0]
second = numbers[1]

fibbonacci = []
result = []

for number in numbers[2:]:
    if first + second == number:
        if not fibbonacci:
            fibbonacci.extend([first, second, number])
        else:
            fibbonacci.append(number)
    elif fibbonacci:
        result.append(fibbonacci)
        fibbonacci = []
    first = second
    second = number

print(result)

0
投票

Idea与@Vuplex非常相似,但可以使用os.path.commonprefix删除额外的代码来比较两个系列

import os
numlist = list(map(int,input.split(',')))
answer = []
fib_series = [0,1,1,2,3,5,8,13]
answer = []
i = 0
while i < len(numlist):
    if not numlist[i]:
        answer.append(os.path.commonprefix([fib_series,numlist[i:]]))
    i += 1
print(answer) #[[0, 1, 1, 2, 3], [0, 1, 1, 2, 3, 5]]

-1
投票
FIB = [0,1,1,2,3,5,8,13]

def checkSequence(numArr):
    i = 0
    while i < len(numArr):
        if FIB[i] == int(numArr[i]):
            i += 1
        else:
            return i

numbers = input("Enter your numbers list and use comma to seperate them: ")
numlist = numbers.split(",")
answer = list()
i = 0
while i < len(numlist):
    if int(numlist[i]) == 0:
        ret = checkSequence(numlist[i:])
        answer.append(numlist[i:i+ret])
    i += 1

正如您所看到的,您可以非常轻松地创建CheckSquence方法来检查数组拼接的序列并返回您找到的条目数量。通过checkSequence的答案,您可以为答案列表创建拼接。这会生成您在问题中指定的结果。

编辑:你需要先定义斐波纳契数列。您既可以像我一样使用静态序列,也可以计算到某一点,然后与该结果进行比较。

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