Increasing Decreasing Sequence @HB

#1

https://hack.codingblocks.com/contests/c/474/194
https://ide.codingblocks.com/#/s/31490

#2

INPUT:
5
3 2 1 4 5
OUTPUT:
false
EXPECTED OUTPUT:
true

Try correcting your code.

#3

https://ide.codingblocks.com/#/s/31527

Corrected version of your code.

#4

the problem is to be solved without using arrays/lists.

#5

You can solve it without arrays/lists also.
While taking input keep a check that the number is decreasing than the previous and use a bool variable to account when the number is increasing than previous.

#6

100 Percent Passed
:wink:

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
	ll n; cin>>n;
	ll start; cin>>start;
	n--;
	ll increase = 0;
	while(n--)
	{
		ll no; cin>>no;
		if((no<start && increase==0) || (no>start && increase==1))
			start = no;
		else if(no>start && increase==0)
		{
			start = no;
			increase =1;
		}
		else
		{
			cout<<"false\n";
			return 0;
		}
	}
	cout<<"true\n";
	// cout<<start;
	return 0;
}
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