Please give solution

#1

Given a series of N Integers, check if it is possible to split sequence into two sequences -
s1 to si and si to sN such that first sequence is strictly decreasing and second is strictly increasing. Print true/false as output.

Input Format
First line contains a single integer N denoting the number of elements int the series.
Next N lines contain a single integer each denoting the elements of the array S.

Constraints
0 < N < 1000 Each number in sequence S is > 0 and < 1000000000

Output Format
Print boolean output - “true” or “false” defining whether the sequence is increasing - decreasing or not.

Sample Input
5
1
2
3
4
5
Sample Output
true
Explanation
Carefully read the conditions to judge which all sequences may be valid. Don’t use arrays or lists.

#2

hi @hridyansh28_cff82018adc2f216,
the question says that you need to check if the the whole array can be partitioned somewhere such that initial numbers are increasing and remaining are decreasing

eg 1 2 3 4 9 8 7 6 can be divided into 1 2 3 4 5 9 (increasing) and 8 7 6 (decreasing)
all increasing eg 1 2 3 4 5 is also true
all decreasing eg 5 4 3 2 1 is also true
if both are there then first should be increasing then decreasing
for implementation difficulties check this I’ve commented properly

#3

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#4

in question its written dont use array or list

#5

hi @hridyansh28_cff82018adc2f216 logic will be same try once if not tell me

#6

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