Not able to make flowchart

#1
  1. flowchart of
    given a number N check if it is a part of fibonacci series or not???
Given a Number N check if it part of Fibonacci Series or Not?
#2

Hey @tanvi2002
First few Fibonacci numbers are 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 141, …
You know that in fibonacci series…0th index number is 0 and 1st index number is 1.
After that, you can get the value at 2nd index as: value at 0th index+ value at 1st index
Similary value at 3rd index is: value at 1st index+ value at second index.

So we can conclude with a formula:

Value at ith index= value at (i-1)th index + value at (i-2)th index. (where i>=2)
So to check if the given number is in the fibonacci series or not run this iteration till condition:
while(value at ith index <= given number )
So if this series ends with the given number, you can say that the number belongs to fibonacci series.
Else you can say that it in not in the fibonacci series.

#3

Screenshot_20200828-225421__01__01__01
Screenshot_20200828-225421__01__01__011080×1424 86.2 KB

Replace empty box by this :
If Y==Num return true
Else return false

Flowchart based question
#4

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