#include<bits/stdc++.h>
using namespace std;
int sub(int a[] , int len)
{
if(len == 0)
return 0;
if(a[len-1]<a[len-2])
return 0;
return max(1+sub(a , len-1) , sub(a , len-2));
}
int main()
{
int len;
cin>>len;
int a[len];
for(int i = 0;i<=len-1;i++)
{
cin>>a[i];
}
int m = sub(a , len);
cout<<m;
}``[LINK TO THE PROBLEM](https://codeforces.com/problemset/problem/702/A)``
No link to problem. No insight on approach. Blog asking for help is crap. Great odds of receiving help.
sorry bro NOW CHECK IT PLZZZZ
It's quite easy to see why your submission fails. Run it through a debugger (gdb).
Out of bounds access.
A sliding window like approach works. Take some time and explore the sliding window paradigm if you are not familiar with it.
It's the famous increasing subarray problem which can be solved by dp. I tried to understand what you coded and I think there are fundamental mistakes with logic looking at it.
you directly compare last two elements without checking if len > 1
in the second if, you should return 1 because individual element is an increasing subarray
in the last return you are adding 1,assuming that the subarray takes last two elements into account, but that way you are getting pieces of increasing subarrays and not a single one.
Solution saving maximum value
Note : you can solve it using dp to maintain the length of the longest increasing subarray ending at index i or just maintain the maximum value saving memory. My submission uses the second approach.